forked from extern/nushell
6454bf69aa
* Remove lite_parse file * Add LiteElement to represent different pipeline elem types * Add PipelineElement to Pipelines * Remove lite_parse specific tests
1325 lines
40 KiB
Rust
1325 lines
40 KiB
Rust
use nu_parser::ParseError;
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use nu_parser::*;
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use nu_protocol::{
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ast::{Expr, Expression, PipelineElement},
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engine::{Command, EngineState, Stack, StateWorkingSet},
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Signature, SyntaxShape,
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};
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#[cfg(test)]
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#[derive(Clone)]
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pub struct Let;
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#[cfg(test)]
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impl Command for Let {
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fn name(&self) -> &str {
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"let"
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}
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fn usage(&self) -> &str {
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"Create a variable and give it a value."
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}
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fn signature(&self) -> nu_protocol::Signature {
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Signature::build("let")
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.required("var_name", SyntaxShape::VarWithOptType, "variable name")
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.required(
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"initial_value",
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SyntaxShape::Keyword(b"=".to_vec(), Box::new(SyntaxShape::Expression)),
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"equals sign followed by value",
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)
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}
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fn run(
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&self,
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_engine_state: &EngineState,
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_stack: &mut Stack,
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_call: &nu_protocol::ast::Call,
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_input: nu_protocol::PipelineData,
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) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
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todo!()
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}
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}
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#[test]
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pub fn parse_int() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"3", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::Int(3),
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..
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})
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))
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}
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#[test]
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pub fn parse_binary_with_hex_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0x[13]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::Binary(vec![0x13]))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_incomplete_hex_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0x[3]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::Binary(vec![0x03]))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_binary_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0b[1010 1000]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::Binary(vec![0b10101000]))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_incomplete_binary_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0b[10]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::Binary(vec![0b00000010]))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_octal_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0o[250]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::Binary(vec![0o250]))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_incomplete_octal_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0o[2]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::Binary(vec![0o2]))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_invalid_octal_format() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0b[90]", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert!(!matches!(&expr.expr, Expr::Binary(_)))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_binary_with_multi_byte_char() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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// found using fuzzing, Rust can panic if you slice into this string
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let contents = b"0x[\xEF\xBF\xBD]";
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let (block, err) = parse(&mut working_set, None, contents, true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert!(!matches!(&expr.expr, Expr::Binary(_)))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_string() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"\"hello nushell\"", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::String("hello nushell".to_string()))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_escaped_string() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(
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&mut working_set,
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None,
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b"\"hello \\u006e\\u0075\\u0073hell\"",
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true,
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&[],
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);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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if let PipelineElement::Expression(expr) = &expressions[0] {
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assert_eq!(expr.expr, Expr::String("hello nushell".to_string()))
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} else {
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panic!("Not an expression")
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}
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}
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#[test]
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pub fn parse_call() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
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working_set.add_decl(sig.predeclare());
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let (block, err) = parse(&mut working_set, None, b"foo", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert_eq!(expressions.len(), 1);
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if let PipelineElement::Expression(Expression {
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expr: Expr::Call(call),
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..
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}) = &expressions[0]
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{
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assert_eq!(call.decl_id, 0);
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}
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}
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#[test]
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pub fn parse_call_missing_flag_arg() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").named("jazz", SyntaxShape::Int, "jazz!!", Some('j'));
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo --jazz", true, &[]);
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assert!(matches!(err, Some(ParseError::MissingFlagParam(..))));
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}
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#[test]
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pub fn parse_call_missing_short_flag_arg() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo -j", true, &[]);
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assert!(matches!(err, Some(ParseError::MissingFlagParam(..))));
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}
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#[test]
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pub fn parse_call_too_many_shortflag_args() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo")
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.named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'))
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.named("--math", SyntaxShape::Int, "math!!", Some('m'));
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo -mj", true, &[]);
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assert!(matches!(
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err,
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Some(ParseError::ShortFlagBatchCantTakeArg(..))
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));
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}
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#[test]
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pub fn parse_call_unknown_shorthand() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").switch("--jazz", "jazz!!", Some('j'));
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo -mj", true, &[]);
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assert!(matches!(err, Some(ParseError::UnknownFlag(..))));
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}
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#[test]
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pub fn parse_call_extra_positional() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").switch("--jazz", "jazz!!", Some('j'));
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo -j 100", true, &[]);
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assert!(matches!(err, Some(ParseError::ExtraPositional(..))));
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}
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#[test]
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pub fn parse_call_missing_req_positional() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").required("jazz", SyntaxShape::Int, "jazz!!");
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo", true, &[]);
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assert!(matches!(err, Some(ParseError::MissingPositional(..))));
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}
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#[test]
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pub fn parse_call_missing_req_flag() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let sig = Signature::build("foo").required_named("--jazz", SyntaxShape::Int, "jazz!!", None);
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working_set.add_decl(sig.predeclare());
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let (_, err) = parse(&mut working_set, None, b"foo", true, &[]);
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assert!(matches!(err, Some(ParseError::MissingRequiredFlag(..))));
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}
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#[test]
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fn test_nothing_comparisson_eq() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"2 == $nothing", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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&expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::BinaryOp(..),
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..
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})
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))
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}
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#[test]
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fn test_nothing_comparisson_neq() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"2 != $nothing", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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&expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::BinaryOp(..),
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..
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})
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))
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}
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mod range {
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use super::*;
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use nu_protocol::ast::{RangeInclusion, RangeOperator};
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#[test]
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fn parse_inclusive_range() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0..10", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::Range(
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Some(_),
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None,
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Some(_),
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RangeOperator {
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inclusion: RangeInclusion::Inclusive,
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..
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}
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),
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..
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})
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))
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}
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#[test]
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fn parse_exclusive_range() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"0..<10", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::Range(
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Some(_),
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None,
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Some(_),
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RangeOperator {
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inclusion: RangeInclusion::RightExclusive,
|
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..
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}
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),
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..
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})
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))
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}
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|
|
#[test]
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fn parse_reverse_range() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"10..0", true, &[]);
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::Range(
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Some(_),
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None,
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Some(_),
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RangeOperator {
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inclusion: RangeInclusion::Inclusive,
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..
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}
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),
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..
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})
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))
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}
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|
|
#[test]
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|
fn parse_subexpression_range() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = parse(&mut working_set, None, b"(3 - 3)..<(8 + 2)", true, &[]);
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|
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assert!(err.is_none());
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assert!(block.len() == 1);
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let expressions = &block[0];
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assert!(expressions.len() == 1);
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assert!(matches!(
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expressions[0],
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PipelineElement::Expression(Expression {
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expr: Expr::Range(
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Some(_),
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None,
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Some(_),
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RangeOperator {
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inclusion: RangeInclusion::RightExclusive,
|
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..
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}
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),
|
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..
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})
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))
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}
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|
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#[test]
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|
fn parse_variable_range() {
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let engine_state = EngineState::new();
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let mut working_set = StateWorkingSet::new(&engine_state);
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|
|
working_set.add_decl(Box::new(Let));
|
|
|
|
let (block, err) = parse(&mut working_set, None, b"let a = 2; $a..10", true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 2);
|
|
|
|
let expressions = &block[1];
|
|
assert!(expressions.len() == 1);
|
|
assert!(matches!(
|
|
expressions[0],
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Range(
|
|
Some(_),
|
|
None,
|
|
Some(_),
|
|
RangeOperator {
|
|
inclusion: RangeInclusion::Inclusive,
|
|
..
|
|
}
|
|
),
|
|
..
|
|
})
|
|
))
|
|
}
|
|
|
|
#[test]
|
|
fn parse_subexpression_variable_range() {
|
|
let engine_state = EngineState::new();
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
|
|
working_set.add_decl(Box::new(Let));
|
|
|
|
let (block, err) = parse(
|
|
&mut working_set,
|
|
None,
|
|
b"let a = 2; $a..<($a + 10)",
|
|
true,
|
|
&[],
|
|
);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 2);
|
|
|
|
let expressions = &block[1];
|
|
assert!(expressions.len() == 1);
|
|
assert!(matches!(
|
|
expressions[0],
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Range(
|
|
Some(_),
|
|
None,
|
|
Some(_),
|
|
RangeOperator {
|
|
inclusion: RangeInclusion::RightExclusive,
|
|
..
|
|
}
|
|
),
|
|
..
|
|
})
|
|
))
|
|
}
|
|
|
|
#[test]
|
|
fn parse_right_unbounded_range() {
|
|
let engine_state = EngineState::new();
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
|
|
let (block, err) = parse(&mut working_set, None, b"0..", true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 1);
|
|
assert!(matches!(
|
|
expressions[0],
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Range(
|
|
Some(_),
|
|
None,
|
|
None,
|
|
RangeOperator {
|
|
inclusion: RangeInclusion::Inclusive,
|
|
..
|
|
}
|
|
),
|
|
..
|
|
})
|
|
))
|
|
}
|
|
|
|
#[test]
|
|
fn parse_left_unbounded_range() {
|
|
let engine_state = EngineState::new();
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
|
|
let (block, err) = parse(&mut working_set, None, b"..10", true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 1);
|
|
assert!(matches!(
|
|
expressions[0],
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Range(
|
|
None,
|
|
None,
|
|
Some(_),
|
|
RangeOperator {
|
|
inclusion: RangeInclusion::Inclusive,
|
|
..
|
|
}
|
|
),
|
|
..
|
|
})
|
|
))
|
|
}
|
|
|
|
#[test]
|
|
fn parse_negative_range() {
|
|
let engine_state = EngineState::new();
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
|
|
let (block, err) = parse(&mut working_set, None, b"-10..-3", true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 1);
|
|
assert!(matches!(
|
|
expressions[0],
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Range(
|
|
Some(_),
|
|
None,
|
|
Some(_),
|
|
RangeOperator {
|
|
inclusion: RangeInclusion::Inclusive,
|
|
..
|
|
}
|
|
),
|
|
..
|
|
})
|
|
))
|
|
}
|
|
|
|
#[test]
|
|
fn parse_float_range() {
|
|
let engine_state = EngineState::new();
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
|
|
let (block, err) = parse(&mut working_set, None, b"2.0..4.0..10.0", true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 1);
|
|
assert!(matches!(
|
|
expressions[0],
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Range(
|
|
Some(_),
|
|
Some(_),
|
|
Some(_),
|
|
RangeOperator {
|
|
inclusion: RangeInclusion::Inclusive,
|
|
..
|
|
}
|
|
),
|
|
..
|
|
})
|
|
))
|
|
}
|
|
|
|
#[test]
|
|
fn bad_parse_does_crash() {
|
|
let engine_state = EngineState::new();
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
|
|
let (_, err) = parse(&mut working_set, None, b"(0)..\"a\"", true, &[]);
|
|
|
|
assert!(err.is_some());
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod input_types {
|
|
use super::*;
|
|
use nu_protocol::{ast::Argument, Category, Type};
|
|
|
|
#[derive(Clone)]
|
|
pub struct LsTest;
|
|
|
|
impl Command for LsTest {
|
|
fn name(&self) -> &str {
|
|
"ls"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock ls command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name()).category(Category::Default)
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct GroupBy;
|
|
|
|
impl Command for GroupBy {
|
|
fn name(&self) -> &str {
|
|
"group-by"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock group-by command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name())
|
|
.required("column", SyntaxShape::String, "column name")
|
|
.category(Category::Default)
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct ToCustom;
|
|
|
|
impl Command for ToCustom {
|
|
fn name(&self) -> &str {
|
|
"to-custom"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock converter command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name())
|
|
.input_type(Type::Any)
|
|
.output_type(Type::Custom("custom".into()))
|
|
.category(Category::Custom("custom".into()))
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct GroupByCustom;
|
|
|
|
impl Command for GroupByCustom {
|
|
fn name(&self) -> &str {
|
|
"group-by"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock custom group-by command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name())
|
|
.required("column", SyntaxShape::String, "column name")
|
|
.required("other", SyntaxShape::String, "other value")
|
|
.input_type(Type::Custom("custom".into()))
|
|
.output_type(Type::Custom("custom".into()))
|
|
.category(Category::Custom("custom".into()))
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct AggCustom;
|
|
|
|
impl Command for AggCustom {
|
|
fn name(&self) -> &str {
|
|
"agg"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock custom agg command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name())
|
|
.required("operation", SyntaxShape::String, "operation")
|
|
.input_type(Type::Custom("custom".into()))
|
|
.category(Category::Custom("custom".into()))
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct AggMin;
|
|
|
|
impl Command for AggMin {
|
|
fn name(&self) -> &str {
|
|
"min"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock custom min command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name()).category(Category::Custom("custom".into()))
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct WithColumn;
|
|
|
|
impl Command for WithColumn {
|
|
fn name(&self) -> &str {
|
|
"with-column"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock custom with-column command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name())
|
|
.rest("operation", SyntaxShape::Any, "operation")
|
|
.input_type(Type::Custom("custom".into()))
|
|
.output_type(Type::Custom("custom".into()))
|
|
.category(Category::Custom("custom".into()))
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct Collect;
|
|
|
|
impl Command for Collect {
|
|
fn name(&self) -> &str {
|
|
"collect"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock custom collect command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build(self.name())
|
|
.input_type(Type::Custom("custom".into()))
|
|
.output_type(Type::Custom("custom".into()))
|
|
.category(Category::Custom("custom".into()))
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct IfMocked;
|
|
|
|
impl Command for IfMocked {
|
|
fn name(&self) -> &str {
|
|
"if"
|
|
}
|
|
|
|
fn usage(&self) -> &str {
|
|
"Mock if command"
|
|
}
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
Signature::build("if")
|
|
.required("cond", SyntaxShape::Expression, "condition to check")
|
|
.required(
|
|
"then_block",
|
|
SyntaxShape::Block,
|
|
"block to run if check succeeds",
|
|
)
|
|
.optional(
|
|
"else_expression",
|
|
SyntaxShape::Keyword(b"else".to_vec(), Box::new(SyntaxShape::Expression)),
|
|
"expression or block to run if check fails",
|
|
)
|
|
.category(Category::Core)
|
|
}
|
|
|
|
fn run(
|
|
&self,
|
|
_engine_state: &EngineState,
|
|
_stack: &mut Stack,
|
|
_call: &nu_protocol::ast::Call,
|
|
_input: nu_protocol::PipelineData,
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
todo!()
|
|
}
|
|
}
|
|
|
|
fn add_declations(engine_state: &mut EngineState) {
|
|
let delta = {
|
|
let mut working_set = StateWorkingSet::new(engine_state);
|
|
working_set.add_decl(Box::new(Let));
|
|
working_set.add_decl(Box::new(AggCustom));
|
|
working_set.add_decl(Box::new(GroupByCustom));
|
|
working_set.add_decl(Box::new(GroupBy));
|
|
working_set.add_decl(Box::new(LsTest));
|
|
working_set.add_decl(Box::new(ToCustom));
|
|
working_set.add_decl(Box::new(AggMin));
|
|
working_set.add_decl(Box::new(Collect));
|
|
working_set.add_decl(Box::new(WithColumn));
|
|
working_set.add_decl(Box::new(IfMocked));
|
|
|
|
working_set.render()
|
|
};
|
|
|
|
engine_state
|
|
.merge_delta(delta)
|
|
.expect("Error merging delta");
|
|
}
|
|
|
|
#[test]
|
|
fn call_types_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input = r#"ls | to-custom | group-by name other"#;
|
|
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 3);
|
|
|
|
match &expressions[0] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set
|
|
.find_decl(b"ls", &Type::Any)
|
|
.expect("Error merging delta");
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set.find_decl(b"to-custom", &Type::Any).unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
|
|
match &expressions[2] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set
|
|
.find_decl(b"group-by", &Type::Custom("custom".into()))
|
|
.unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn storing_variable_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input =
|
|
r#"let a = (ls | to-custom | group-by name other); let b = (1+3); $a | agg sum"#;
|
|
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 3);
|
|
|
|
let expressions = &block[2];
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set
|
|
.find_decl(b"agg", &Type::Custom("custom".into()))
|
|
.unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn stored_variable_operation_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input = r#"let a = (ls | to-custom | group-by name other); ($a + $a) | agg sum"#;
|
|
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 2);
|
|
|
|
let expressions = &block[1];
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set
|
|
.find_decl(b"agg", &Type::Custom("custom".into()))
|
|
.unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn multiple_stored_variable_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input = r#"
|
|
let a = (ls | to-custom | group-by name other); [1 2 3] | to-custom; [1 2 3] | to-custom"#;
|
|
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 3);
|
|
|
|
let expressions = &block[1];
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set.find_decl(b"to-custom", &Type::Any).unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
|
|
let expressions = &block[2];
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set.find_decl(b"to-custom", &Type::Any).unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn call_non_custom_types_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input = r#"ls | group-by name"#;
|
|
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 2);
|
|
|
|
match &expressions[0] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set.find_decl(b"ls", &Type::Any).unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set.find_decl(b"group-by", &Type::Any).unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn nested_operations_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let (block, delta) = {
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input = r#"ls | to-custom | group-by name other | agg ("b" | min)"#;
|
|
let (block, _) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
(block, working_set.render())
|
|
};
|
|
|
|
engine_state.merge_delta(delta).unwrap();
|
|
|
|
let expressions = &block[0];
|
|
match &expressions[3] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let arg = &call.arguments[0];
|
|
match arg {
|
|
Argument::Positional(a) => match &a.expr {
|
|
Expr::FullCellPath(path) => match &path.head.expr {
|
|
Expr::Subexpression(id) => {
|
|
let block = engine_state.get_block(*id);
|
|
|
|
let expressions = &block[0];
|
|
assert!(expressions.len() == 2);
|
|
|
|
match &expressions[1] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let working_set = StateWorkingSet::new(&engine_state);
|
|
let expected_id =
|
|
working_set.find_decl(b"min", &Type::Any).unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
_ => panic!("Expected Subexpression not found"),
|
|
},
|
|
_ => panic!("Expected FullCellPath not found"),
|
|
},
|
|
_ => panic!("Expected Argument Positional not found"),
|
|
}
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn call_with_list_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let input = r#"[[a b]; [1 2] [3 4]] | to-custom | with-column [ ("a" | min) ("b" | min) ] | collect"#;
|
|
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none());
|
|
assert!(block.len() == 1);
|
|
|
|
let expressions = &block[0];
|
|
match &expressions[2] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set
|
|
.find_decl(b"with-column", &Type::Custom("custom".into()))
|
|
.unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
|
|
match &expressions[3] {
|
|
PipelineElement::Expression(Expression {
|
|
expr: Expr::Call(call),
|
|
..
|
|
}) => {
|
|
let expected_id = working_set
|
|
.find_decl(b"collect", &Type::Custom("custom".into()))
|
|
.unwrap();
|
|
assert_eq!(call.decl_id, expected_id)
|
|
}
|
|
_ => panic!("Expected expression Call not found"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn operations_within_blocks_test() {
|
|
let mut engine_state = EngineState::new();
|
|
add_declations(&mut engine_state);
|
|
|
|
let mut working_set = StateWorkingSet::new(&engine_state);
|
|
let inputs = vec![
|
|
r#"let a = 'b'; ($a == 'b') || ($a == 'b')"#,
|
|
r#"let a = 'b'; ($a == 'b') || ($a == 'b') && ($a == 'b')"#,
|
|
r#"let a = 1; ($a == 1) || ($a == 2) && ($a == 3)"#,
|
|
r#"let a = 'b'; if ($a == 'b') || ($a == 'b') { true } else { false }"#,
|
|
r#"let a = 1; if ($a == 1) || ($a > 0) { true } else { false }"#,
|
|
];
|
|
|
|
for input in inputs {
|
|
let (block, err) = parse(&mut working_set, None, input.as_bytes(), true, &[]);
|
|
|
|
assert!(err.is_none(), "testing: {}", input);
|
|
assert!(block.len() == 2, "testing: {}", input);
|
|
}
|
|
}
|
|
}
|