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rm fully operational and error surveyd.

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This commit is contained in:
Andrés N. Robalino 2019-08-20 06:20:48 -05:00
parent 308323426d
commit 11095860c8
4 changed files with 277 additions and 166 deletions
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128
src/commands/rm.rs
View File

@ -1,12 +1,19 @@
use crate::commands::command::RunnablePerItemContext;
use crate::errors::ShellError;
use crate::parser::hir::SyntaxType;
use crate::parser::registry::{CommandRegistry, Signature};
use crate::prelude::*;
use glob::glob;
use crate::utils::FileStructure;
use std::path::PathBuf;
pub struct Remove;
#[derive(Deserialize)]
pub struct RemoveArgs {
path: Tagged<PathBuf>,
recursive: Tagged<bool>,
}
impl PerItemCommand for Remove {
fn name(&self) -> &str {
"rm"
@ -25,52 +32,113 @@ impl PerItemCommand for Remove {
shell_manager: &ShellManager,
_input: Tagged<Value>,
) -> Result<VecDeque<ReturnValue>, ShellError> {
rm(call_info, shell_manager)
call_info.process(shell_manager, rm)?.run()
}
}
pub fn rm(
call_info: &CallInfo,
shell_manager: &ShellManager,
args: RemoveArgs,
context: &RunnablePerItemContext,
) -> Result<VecDeque<ReturnValue>, ShellError> {
let mut full_path = PathBuf::from(shell_manager.path());
let mut path = PathBuf::from(context.shell_manager.path());
let name_span = context.name;
match call_info
.args
.nth(0)
.ok_or_else(|| ShellError::string(&format!("No file or directory specified")))?
.as_string()?
.as_str()
{
"." | ".." => return Err(ShellError::string("\".\" and \"..\" may not be removed")),
file => full_path.push(file),
let file = &args.path.item.to_string_lossy();
if file == "." || file == ".." {
return Err(ShellError::labeled_error(
"Remove aborted. \".\" or \"..\" may not be removed.",
"Remove aborted. \".\" or \"..\" may not be removed.",
args.path.span(),
));
}
let entries = glob(&full_path.to_string_lossy());
path.push(&args.path.item);
if entries.is_err() {
return Err(ShellError::string("Invalid pattern."));
let entries: Vec<_> = match glob::glob(&path.to_string_lossy()) {
Ok(files) => files.collect(),
Err(_) => {
return Err(ShellError::labeled_error(
"Invalid pattern.",
"Invalid pattern.",
args.path.tag,
))
}
};
if entries.len() == 1 {
if let Ok(entry) = &entries[0] {
if entry.is_dir() {
let mut source_dir: FileStructure = FileStructure::new();
source_dir.walk_decorate(&entry)?;
if source_dir.contains_files() && !args.recursive.item {
return Err(ShellError::labeled_error(
format!(
"{:?} is a directory. Try using \"--recursive\".",
&args.path.item.to_string_lossy()
),
format!(
"{:?} is a directory. Try using \"--recursive\".",
&args.path.item.to_string_lossy()
),
args.path.span(),
));
}
}
}
}
let entries = entries.unwrap();
for entry in entries {
match entry {
Ok(path) => {
if path.is_dir() {
if !call_info.args.has("recursive") {
return Err(ShellError::labeled_error(
"is a directory",
"is a directory",
call_info.name_span,
));
let path_file_name = {
let p = &path;
match p.file_name() {
Some(name) => PathBuf::from(name),
None => {
return Err(ShellError::labeled_error(
"Remove aborted. Not a valid path",
"Remove aborted. Not a valid path",
name_span,
))
}
}
std::fs::remove_dir_all(&path).expect("can not remove directory");
};
let mut source_dir: FileStructure = FileStructure::new();
source_dir.walk_decorate(&path)?;
if source_dir.contains_more_than_one_file() && !args.recursive.item {
return Err(ShellError::labeled_error(
format!(
"Directory {:?} found somewhere inside. Try using \"--recursive\".",
path_file_name
),
format!(
"Directory {:?} found somewhere inside. Try using \"--recursive\".",
path_file_name
),
args.path.span(),
));
}
if path.is_dir() {
std::fs::remove_dir_all(&path)?;
} else if path.is_file() {
std::fs::remove_file(&path).expect("can not remove file");
std::fs::remove_file(&path)?;
}
}
Err(e) => return Err(ShellError::string(&format!("{:?}", e))),
Err(e) => {
return Err(ShellError::labeled_error(
format!("Remove aborted. {:}", e.to_string()),
format!("Remove aborted. {:}", e.to_string()),
name_span,
))
}
}
}

8
src/utils.rs
View File

@ -93,6 +93,14 @@ impl FileStructure {
}
}
pub fn contains_more_than_one_file(&self) -> bool {
self.resources.len() > 1
}
pub fn contains_files(&self) -> bool {
self.resources.len() > 0
}
pub fn set_root(&mut self, path: &Path) {
self.root = path.to_path_buf();
}

171
tests/command_rm_tests.rs Normal file
View File

@ -0,0 +1,171 @@
mod helpers;
use h::{in_directory as cwd, Playground, Stub::*};
use helpers as h;
use std::path::{Path, PathBuf};
#[test]
fn rm_removes_a_file() {
let sandbox = Playground::setup_for("rm_regular_file_test")
.with_files(vec![EmptyFile("i_will_be_deleted.txt")])
.test_dir_name();
nu!(
_output,
cwd(&Playground::root()),
"rm rm_regular_file_test/i_will_be_deleted.txt"
);
let path = &format!(
"{}/{}/{}",
Playground::root(),
sandbox,
"i_will_be_deleted.txt"
);
assert!(!h::file_exists_at(PathBuf::from(path)));
}
#[test]
fn rm_removes_files_with_wildcard() {
let sandbox = Playground::setup_for("rm_wildcard_test_1")
.within("src")
.with_files(vec![
EmptyFile("cli.rs"),
EmptyFile("lib.rs"),
EmptyFile("prelude.rs"),
])
.within("src/parser")
.with_files(vec![EmptyFile("parse.rs"), EmptyFile("parser.rs")])
.within("src/parser/parse")
.with_files(vec![EmptyFile("token_tree.rs")])
.within("src/parser/hir")
.with_files(vec![
EmptyFile("baseline_parse.rs"),
EmptyFile("baseline_parse_tokens.rs"),
])
.test_dir_name();
let full_path = format!("{}/{}", Playground::root(), sandbox);
nu!(
_output,
cwd("tests/fixtures/nuplayground/rm_wildcard_test_1"),
"rm \"src/*/*/*.rs\""
);
assert!(!h::files_exist_at(
vec![
Path::new("src/parser/parse/token_tree.rs"),
Path::new("src/parser/hir/baseline_parse.rs"),
Path::new("src/parser/hir/baseline_parse_tokens.rs")
],
PathBuf::from(&full_path)
));
assert_eq!(
Playground::glob_vec(&format!("{}/src/*/*/*.rs", &full_path)),
Vec::<PathBuf>::new()
);
}
#[test]
fn rm_removes_deeply_nested_directories_with_wildcard_and_recursive_flag() {
let sandbox = Playground::setup_for("rm_wildcard_test_2")
.within("src")
.with_files(vec![
EmptyFile("cli.rs"),
EmptyFile("lib.rs"),
EmptyFile("prelude.rs"),
])
.within("src/parser")
.with_files(vec![EmptyFile("parse.rs"), EmptyFile("parser.rs")])
.within("src/parser/parse")
.with_files(vec![EmptyFile("token_tree.rs")])
.within("src/parser/hir")
.with_files(vec![
EmptyFile("baseline_parse.rs"),
EmptyFile("baseline_parse_tokens.rs"),
])
.test_dir_name();
let full_path = format!("{}/{}", Playground::root(), sandbox);
nu!(
_output,
cwd("tests/fixtures/nuplayground/rm_wildcard_test_2"),
"rm src/* --recursive"
);
assert!(!h::files_exist_at(
vec![
Path::new("src/parser/parse"),
Path::new("src/parser/hir"),
],
PathBuf::from(&full_path)
));
}
#[test]
fn rm_removes_directory_contents_without_recursive_flag_if_empty() {
let sandbox = Playground::setup_for("rm_directory_removal_recursively_test_1").test_dir_name();
nu!(
_output,
cwd("tests/fixtures/nuplayground"),
"rm rm_directory_removal_recursively_test_1"
);
let expected = format!("{}/{}", Playground::root(), sandbox);
assert!(!h::file_exists_at(PathBuf::from(expected)));
}
#[test]
fn rm_removes_directory_contents_with_recursive_flag() {
let sandbox = Playground::setup_for("rm_directory_removal_recursively_test_2")
.with_files(vec![
EmptyFile("yehuda.txt"),
EmptyFile("jonathan.txt"),
EmptyFile("andres.txt"),
])
.test_dir_name();
nu!(
_output,
cwd("tests/fixtures/nuplayground"),
"rm rm_directory_removal_recursively_test_2 --recursive"
);
let expected = format!("{}/{}", Playground::root(), sandbox);
assert!(!h::file_exists_at(PathBuf::from(expected)));
}
#[test]
fn rm_errors_if_attempting_to_delete_a_directory_with_content_without_recursive_flag() {
let sandbox = Playground::setup_for("rm_prevent_directory_removal_without_flag_test")
.with_files(vec![EmptyFile("some_empty_file.txt")])
.test_dir_name();
let full_path = format!("{}/{}", Playground::root(), sandbox);
nu_error!(output, cwd(&Playground::root()), "rm rm_prevent_directory_removal_without_flag_test");
assert!(h::file_exists_at(PathBuf::from(full_path)));
assert!(output.contains("is a directory"));
}
#[test]
fn rm_errors_if_attempting_to_delete_single_dot_as_argument() {
nu_error!(output, cwd(&Playground::root()), "rm .");
assert!(output.contains("may not be removed"));
}
#[test]
fn rm_errors_if_attempting_to_delete_two_dot_as_argument() {
nu_error!(output, cwd(&Playground::root()), "rm ..");
assert!(output.contains("may not be removed"));
}

136
tests/commands_test.rs
View File

@ -2,7 +2,6 @@ mod helpers;
use h::{in_directory as cwd, Playground, Stub::*};
use helpers as h;
use std::path::{Path, PathBuf};
#[test]
fn lines() {
@ -139,138 +138,3 @@ fn save_can_write_out_csv() {
let actual = h::file_contents(&expected_file);
assert!(actual.contains("[list list],A shell for the GitHub era,2018,ISC,nu,0.2.0"));
}
#[test]
fn rm_removes_a_file() {
let sandbox = Playground::setup_for("rm_regular_file_test")
.with_files(vec![EmptyFile("i_will_be_deleted.txt")])
.test_dir_name();
nu!(
_output,
cwd(&Playground::root()),
"rm rm_regular_file_test/i_will_be_deleted.txt"
);
let path = &format!(
"{}/{}/{}",
Playground::root(),
sandbox,
"i_will_be_deleted.txt"
);
assert!(!h::file_exists_at(PathBuf::from(path)));
}
#[test]
fn rm_removes_files_with_wildcard() {
r#"
Given these files and directories
src
src/cli.rs
src/lib.rs
src/prelude.rs
src/parser
src/parser/parse.rs
src/parser/parser.rs
src/parser/parse
src/parser/hir
src/parser/parse/token_tree.rs
src/parser/hir/baseline_parse.rs
src/parser/hir/baseline_parse_tokens.rs
"#;
let sandbox = Playground::setup_for("rm_wildcard_test")
.within("src")
.with_files(vec![
EmptyFile("cli.rs"),
EmptyFile("lib.rs"),
EmptyFile("prelude.rs"),
])
.within("src/parser")
.with_files(vec![EmptyFile("parse.rs"), EmptyFile("parser.rs")])
.within("src/parser/parse")
.with_files(vec![EmptyFile("token_tree.rs")])
.within("src/parser/hir")
.with_files(vec![
EmptyFile("baseline_parse.rs"),
EmptyFile("baseline_parse_tokens.rs"),
])
.test_dir_name();
let full_path = format!("{}/{}", Playground::root(), sandbox);
r#" The pattern
src/*/*/*.rs
matches
src/parser/parse/token_tree.rs
src/parser/hir/baseline_parse.rs
src/parser/hir/baseline_parse_tokens.rs
"#;
nu!(
_output,
cwd("tests/fixtures/nuplayground/rm_wildcard_test"),
"rm \"src/*/*/*.rs\""
);
assert!(!h::files_exist_at(
vec![
Path::new("src/parser/parse/token_tree.rs"),
Path::new("src/parser/hir/baseline_parse.rs"),
Path::new("src/parser/hir/baseline_parse_tokens.rs")
],
PathBuf::from(&full_path)
));
assert_eq!(
Playground::glob_vec(&format!("{}/src/*/*/*.rs", &full_path)),
Vec::<PathBuf>::new()
);
}
#[test]
fn rm_removes_directory_contents_with_recursive_flag() {
let sandbox = Playground::setup_for("rm_directory_removal_recursively_test")
.with_files(vec![
EmptyFile("yehuda.txt"),
EmptyFile("jonathan.txt"),
EmptyFile("andres.txt"),
])
.test_dir_name();
nu!(
_output,
cwd("tests/fixtures/nuplayground"),
"rm rm_directory_removal_recursively_test --recursive"
);
let expected = format!("{}/{}", Playground::root(), sandbox);
assert!(!h::file_exists_at(PathBuf::from(expected)));
}
#[test]
fn rm_errors_if_attempting_to_delete_a_directory_without_recursive_flag() {
let sandbox = Playground::setup_for("rm_prevent_directory_removal_without_flag_test").test_dir_name();
let full_path = format!("{}/{}", Playground::root(), sandbox);
nu_error!(output, cwd(&Playground::root()), "rm rm_prevent_directory_removal_without_flag_test");
assert!(h::file_exists_at(PathBuf::from(full_path)));
assert!(output.contains("is a directory"));
}
#[test]
fn rm_errors_if_attempting_to_delete_single_dot_as_argument() {
nu_error!(output, cwd(&Playground::root()), "rm .");
assert!(output.contains("may not be removed"));
}
#[test]
fn rm_errors_if_attempting_to_delete_two_dot_as_argument() {
nu_error!(output, cwd(&Playground::root()), "rm ..");
assert!(output.contains("may not be removed"));
}