mirror of
https://github.com/nushell/nushell.git
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Remove required positional arguments from run-external and exec (#14765)
# Description This PR removes the required positional argument from `run-external` and `exec` in favor of the rest arguments, meaning lists of external commands can be spread directly into `run-external` and `exec`. This does have the drawback of making calling `run-external` and `exec` with no arguments a run-time error rather than a parse error, but I don't imagine that is an issue. Before (for both `run-external` and `exec`): ```nushell run-external # => Error: nu::parser::missing_positional # => # => × Missing required positional argument. # => ╭─[entry #9:1:13] # => 1 │ run-external # => ╰──── # => help: Usage: run-external <command> ...(args) . Use `--help` for more # => information. let command = ["cat" "hello.txt"] run-external ...$command # => Error: nu::parser::missing_positional # => # => × Missing required positional argument. # => ╭─[entry #11:1:14] # => 1 │ run-external ...$command # => · ▲ # => · ╰── missing command # => ╰──── # => help: Usage: run-external <command> ...(args) . Use `--help` for more # => information. run-external ($command | first) ...($command | skip 1) # => hello world! ``` After (for both `run-external` and `exec`): ```nushell run-external # => Error: nu:🐚:missing_parameter # => # => × Missing parameter: no command given. # => ╭─[entry #2:1:1] # => 1 │ run-external # => · ──────┬───── # => · ╰── missing parameter: no command given # => ╰──── # => let command = ["cat" "hello.txt"] run-external ...$command # => hello world! ``` # User-Facing Changes Lists can now be spread directly into `run-external` and `exec`: ```nushell let command = [cat hello.txt] run-external ...$command # => hello world! ``` # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` # After Submitting N/A
This commit is contained in:
132ikl
GitHub
@ -1,23 +1,34 @@
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use nu_test_support::fs::Stub::EmptyFile;
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use nu_test_support::nu;
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use nu_test_support::playground::Playground;
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use nu_test_support::{nu, pipeline};
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use rstest::rstest;
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use rstest_reuse::*;
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#[test]
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fn better_empty_redirection() {
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// Template for run-external test to ensure tests work when calling
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// the binary directly, using the caret operator, and when using
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// the run-external command
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#[template]
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#[rstest]
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#[case("")]
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#[case("^")]
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#[case("run-external ")]
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fn run_external_prefixes(#[case] prefix: &str) {}
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#[apply(run_external_prefixes)]
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fn better_empty_redirection(prefix: &str) {
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let actual = nu!(
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cwd: "tests/fixtures/formats", pipeline(
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"
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ls | each { |it| nu --testbin cococo $it.name } | ignore
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"
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));
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cwd: "tests/fixtures/formats",
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"ls | each {{ |it| {}nu `--testbin` cococo $it.name }} | ignore",
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prefix
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);
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eprintln!("out: {}", actual.out);
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assert!(!actual.out.contains('2'));
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}
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#[test]
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fn explicit_glob() {
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#[apply(run_external_prefixes)]
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fn explicit_glob(prefix: &str) {
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Playground::setup("external with explicit glob", |dirs, sandbox| {
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sandbox.with_files(&[
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EmptyFile("D&D_volume_1.txt"),
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@ -26,19 +37,20 @@ fn explicit_glob() {
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]);
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^nu --testbin cococo ('*.txt' | into glob)
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"#
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));
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{}nu `--testbin` cococo ('*.txt' | into glob)
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"#,
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prefix
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);
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assert!(actual.out.contains("D&D_volume_1.txt"));
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assert!(actual.out.contains("D&D_volume_2.txt"));
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})
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}
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#[test]
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fn bare_word_expand_path_glob() {
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#[apply(run_external_prefixes)]
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fn bare_word_expand_path_glob(prefix: &str) {
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Playground::setup("bare word should do the expansion", |dirs, sandbox| {
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sandbox.with_files(&[
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EmptyFile("D&D_volume_1.txt"),
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@ -47,19 +59,20 @@ fn bare_word_expand_path_glob() {
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]);
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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"
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^nu --testbin cococo *.txt
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"
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));
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{}nu `--testbin` cococo *.txt
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",
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prefix
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);
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assert!(actual.out.contains("D&D_volume_1.txt"));
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assert!(actual.out.contains("D&D_volume_2.txt"));
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})
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}
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#[test]
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fn backtick_expand_path_glob() {
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#[apply(run_external_prefixes)]
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fn backtick_expand_path_glob(prefix: &str) {
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Playground::setup("backtick should do the expansion", |dirs, sandbox| {
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sandbox.with_files(&[
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EmptyFile("D&D_volume_1.txt"),
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@ -68,19 +81,20 @@ fn backtick_expand_path_glob() {
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]);
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^nu --testbin cococo `*.txt`
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"#
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));
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{}nu `--testbin` cococo `*.txt`
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"#,
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prefix
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);
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assert!(actual.out.contains("D&D_volume_1.txt"));
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assert!(actual.out.contains("D&D_volume_2.txt"));
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})
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}
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#[test]
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fn single_quote_does_not_expand_path_glob() {
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#[apply(run_external_prefixes)]
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fn single_quote_does_not_expand_path_glob(prefix: &str) {
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Playground::setup("single quote do not run the expansion", |dirs, sandbox| {
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sandbox.with_files(&[
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EmptyFile("D&D_volume_1.txt"),
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@ -89,18 +103,19 @@ fn single_quote_does_not_expand_path_glob() {
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]);
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^nu --testbin cococo '*.txt'
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"#
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));
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{}nu `--testbin` cococo '*.txt'
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"#,
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prefix
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);
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assert_eq!(actual.out, "*.txt");
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})
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}
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#[test]
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fn double_quote_does_not_expand_path_glob() {
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#[apply(run_external_prefixes)]
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fn double_quote_does_not_expand_path_glob(prefix: &str) {
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Playground::setup("double quote do not run the expansion", |dirs, sandbox| {
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sandbox.with_files(&[
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EmptyFile("D&D_volume_1.txt"),
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@ -109,44 +124,50 @@ fn double_quote_does_not_expand_path_glob() {
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]);
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^nu --testbin cococo "*.txt"
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"#
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));
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{}nu `--testbin` cococo "*.txt"
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"#,
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prefix
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);
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assert_eq!(actual.out, "*.txt");
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})
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}
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#[test]
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fn failed_command_with_semicolon_will_not_execute_following_cmds() {
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#[apply(run_external_prefixes)]
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fn failed_command_with_semicolon_will_not_execute_following_cmds(prefix: &str) {
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Playground::setup("external failed command with semicolon", |dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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"
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nu --testbin fail; echo done
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"
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));
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{}nu `--testbin` fail; echo done
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",
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prefix
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);
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assert!(!actual.out.contains("done"));
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})
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}
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#[test]
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fn external_args_with_quoted() {
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#[apply(run_external_prefixes)]
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fn external_args_with_quoted(prefix: &str) {
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Playground::setup("external failed command with semicolon", |dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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nu --testbin cococo "foo=bar 'hi'"
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"#
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));
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{}nu `--testbin` cococo "foo=bar 'hi'"
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"#,
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prefix
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);
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assert_eq!(actual.out, "foo=bar 'hi'");
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})
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}
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// don't use template for this once since echo with no prefix is an internal command
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// and arguments flags are treated as arguments to run-external
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// (but wrapping them in quotes defeats the point of test)
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#[cfg(not(windows))]
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#[test]
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fn external_arg_with_option_like_embedded_quotes() {
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@ -155,58 +176,67 @@ fn external_arg_with_option_like_embedded_quotes() {
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"external arg with option like embedded quotes",
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|dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^echo --foo='bar' -foo='bar'
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"#
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));
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^echo --foo='bar' -foo='bar'
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"#,
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);
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assert_eq!(actual.out, "--foo=bar -foo=bar");
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},
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)
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}
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#[test]
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fn external_arg_with_non_option_like_embedded_quotes() {
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// FIXME: parser complains about invalid characters after single quote
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#[rstest]
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#[case("")]
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#[case("^")]
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fn external_arg_with_non_option_like_embedded_quotes(#[case] prefix: &str) {
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Playground::setup(
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"external arg with non option like embedded quotes",
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|dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^nu --testbin cococo foo='bar' 'foo'=bar
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"#
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));
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{}nu `--testbin` cococo foo='bar' 'foo'=bar
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"#,
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prefix
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);
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assert_eq!(actual.out, "foo=bar foo=bar");
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},
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)
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}
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#[test]
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fn external_arg_with_string_interpolation() {
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// FIXME: parser bug prevents expressions from appearing within GlobPattern substrings
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#[rstest]
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#[case("")]
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#[case("^")]
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fn external_arg_with_string_interpolation(#[case] prefix: &str) {
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Playground::setup("external arg with string interpolation", |dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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^nu --testbin cococo foo=(2 + 2) $"foo=(2 + 2)" foo=$"(2 + 2)"
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"#
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));
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{}nu `--testbin` cococo foo=(2 + 2) $"foo=(2 + 2)" foo=$"(2 + 2)"
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"#,
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prefix
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);
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assert_eq!(actual.out, "foo=4 foo=4 foo=4");
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})
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}
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#[test]
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fn external_arg_with_variable_name() {
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#[apply(run_external_prefixes)]
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fn external_arg_with_variable_name(prefix: &str) {
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Playground::setup("external failed command with semicolon", |dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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let dump_command = "PGPASSWORD='db_secret' pg_dump -Fc -h 'db.host' -p '$db.port' -U postgres -d 'db_name' > '/tmp/dump_name'";
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nu --testbin nonu $dump_command
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"#
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));
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{}nu `--testbin` nonu $dump_command
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"#,
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prefix
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);
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assert_eq!(
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actual.out,
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@ -215,25 +245,29 @@ fn external_arg_with_variable_name() {
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})
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}
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#[test]
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fn external_command_escape_args() {
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#[apply(run_external_prefixes)]
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fn external_command_escape_args(prefix: &str) {
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Playground::setup("external failed command with semicolon", |dirs, _| {
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let actual = nu!(
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cwd: dirs.test(), pipeline(
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cwd: dirs.test(),
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r#"
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nu --testbin cococo "\"abcd"
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"#
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));
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{}nu `--testbin` cococo "\"abcd"
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"#,
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prefix
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);
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assert_eq!(actual.out, r#""abcd"#);
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})
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}
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#[test]
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fn external_command_ndots_args() {
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let actual = nu!(r#"
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nu --testbin cococo foo/. foo/.. foo/... foo/./bar foo/../bar foo/.../bar ./bar ../bar .../bar
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"#);
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#[apply(run_external_prefixes)]
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fn external_command_ndots_args(prefix: &str) {
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let actual = nu!(
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r#"
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{}nu `--testbin` cococo foo/. foo/.. foo/... foo/./bar foo/../bar foo/.../bar ./bar ../bar .../bar
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"#,
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prefix
|
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);
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assert_eq!(
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actual.out,
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@ -247,23 +281,29 @@ fn external_command_ndots_args() {
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);
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}
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#[test]
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fn external_command_ndots_leading_dot_slash() {
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#[apply(run_external_prefixes)]
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fn external_command_ndots_leading_dot_slash(prefix: &str) {
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// Don't expand ndots with a leading `./`
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let actual = nu!(r#"
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nu --testbin cococo ./... ./....
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"#);
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let actual = nu!(
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r#"
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{}nu `--testbin` cococo ./... ./....
|
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"#,
|
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prefix
|
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);
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|
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assert_eq!(actual.out, "./... ./....");
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}
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|
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#[test]
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fn external_command_url_args() {
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#[apply(run_external_prefixes)]
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fn external_command_url_args(prefix: &str) {
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// If ndots is not handled correctly, we can lose the double forward slashes that are needed
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// here
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let actual = nu!(r#"
|
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nu --testbin cococo http://example.com http://example.com/.../foo //foo
|
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"#);
|
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let actual = nu!(
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r#"
|
||||
{}nu `--testbin` cococo http://example.com http://example.com/.../foo //foo
|
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"#,
|
||||
prefix
|
||||
);
|
||||
|
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assert_eq!(
|
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actual.out,
|
||||
@ -271,12 +311,12 @@ fn external_command_url_args() {
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
#[apply(run_external_prefixes)]
|
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#[cfg_attr(
|
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not(target_os = "linux"),
|
||||
ignore = "only runs on Linux, where controlling the HOME var is reliable"
|
||||
)]
|
||||
fn external_command_expand_tilde() {
|
||||
fn external_command_expand_tilde(prefix: &str) {
|
||||
Playground::setup("external command expand tilde", |dirs, _| {
|
||||
// Make a copy of the nu executable that we can use
|
||||
let mut src = std::fs::File::open(nu_test_support::fs::binaries().join("nu"))
|
||||
@ -302,22 +342,27 @@ fn external_command_expand_tilde() {
|
||||
("HOME".to_string(), dirs.test().to_string_lossy().into_owned()),
|
||||
],
|
||||
r#"
|
||||
^~/test_nu --testbin cococo hello
|
||||
"#
|
||||
{}~/test_nu `--testbin` cococo hello
|
||||
"#,
|
||||
prefix
|
||||
);
|
||||
assert_eq!(actual.out, "hello");
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn external_arg_expand_tilde() {
|
||||
// FIXME: parser bug prevents expressions from appearing within GlobPattern substrings
|
||||
#[rstest]
|
||||
#[case("")]
|
||||
#[case("^")]
|
||||
fn external_arg_expand_tilde(#[case] prefix: &str) {
|
||||
Playground::setup("external arg expand tilde", |dirs, _| {
|
||||
let actual = nu!(
|
||||
cwd: dirs.test(), pipeline(
|
||||
cwd: dirs.test(),
|
||||
r#"
|
||||
^nu --testbin cococo ~/foo ~/(2 + 2)
|
||||
"#
|
||||
));
|
||||
{}nu `--testbin` cococo ~/foo ~/(2 + 2)
|
||||
"#,
|
||||
prefix
|
||||
);
|
||||
|
||||
let home = dirs::home_dir().expect("failed to find home dir");
|
||||
|
||||
@ -332,40 +377,43 @@ fn external_arg_expand_tilde() {
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn external_command_not_expand_tilde_with_quotes() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn external_command_not_expand_tilde_with_quotes(prefix: &str) {
|
||||
Playground::setup(
|
||||
"external command not expand tilde with quotes",
|
||||
|dirs, _| {
|
||||
let actual = nu!(cwd: dirs.test(), pipeline(r#"nu --testbin nonu "~""#));
|
||||
let actual = nu!(cwd: dirs.test(), r#"{}nu `--testbin` nonu "~""#, prefix);
|
||||
assert_eq!(actual.out, r#"~"#);
|
||||
},
|
||||
)
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn external_command_expand_tilde_with_back_quotes() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn external_command_expand_tilde_with_back_quotes(prefix: &str) {
|
||||
Playground::setup(
|
||||
"external command not expand tilde with quotes",
|
||||
|dirs, _| {
|
||||
let actual = nu!(cwd: dirs.test(), pipeline(r#"nu --testbin nonu `~`"#));
|
||||
let actual = nu!(cwd: dirs.test(), r#"{}nu `--testbin` nonu `~`"#, prefix);
|
||||
assert!(!actual.out.contains('~'));
|
||||
},
|
||||
)
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn external_command_receives_raw_binary_data() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn external_command_receives_raw_binary_data(prefix: &str) {
|
||||
Playground::setup("external command receives raw binary data", |dirs, _| {
|
||||
let actual =
|
||||
nu!(cwd: dirs.test(), pipeline("0x[deadbeef] | nu --testbin input_bytes_length"));
|
||||
let actual = nu!(
|
||||
cwd: dirs.test(),
|
||||
"0x[deadbeef] | {}nu `--testbin` input_bytes_length",
|
||||
prefix
|
||||
);
|
||||
assert_eq!(actual.out, r#"4"#);
|
||||
})
|
||||
}
|
||||
|
||||
#[cfg(windows)]
|
||||
#[test]
|
||||
fn can_run_cmd_files() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn can_run_cmd_files(prefix: &str) {
|
||||
use nu_test_support::fs::Stub::FileWithContent;
|
||||
Playground::setup("run a Windows cmd file", |dirs, sandbox| {
|
||||
sandbox.with_files(&[FileWithContent(
|
||||
@ -376,14 +424,14 @@ fn can_run_cmd_files() {
|
||||
"#,
|
||||
)]);
|
||||
|
||||
let actual = nu!(cwd: dirs.test(), pipeline("foo.cmd"));
|
||||
let actual = nu!(cwd: dirs.test(), "{}foo.cmd", prefix);
|
||||
assert!(actual.out.contains("Hello World"));
|
||||
});
|
||||
}
|
||||
|
||||
#[cfg(windows)]
|
||||
#[test]
|
||||
fn can_run_batch_files() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn can_run_batch_files(prefix: &str) {
|
||||
use nu_test_support::fs::Stub::FileWithContent;
|
||||
Playground::setup("run a Windows batch file", |dirs, sandbox| {
|
||||
sandbox.with_files(&[FileWithContent(
|
||||
@ -394,14 +442,14 @@ fn can_run_batch_files() {
|
||||
"#,
|
||||
)]);
|
||||
|
||||
let actual = nu!(cwd: dirs.test(), pipeline("foo.bat"));
|
||||
let actual = nu!(cwd: dirs.test(), "{}foo.bat", prefix);
|
||||
assert!(actual.out.contains("Hello World"));
|
||||
});
|
||||
}
|
||||
|
||||
#[cfg(windows)]
|
||||
#[test]
|
||||
fn can_run_batch_files_without_cmd_extension() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn can_run_batch_files_without_cmd_extension(prefix: &str) {
|
||||
use nu_test_support::fs::Stub::FileWithContent;
|
||||
Playground::setup(
|
||||
"run a Windows cmd file without specifying the extension",
|
||||
@ -414,15 +462,15 @@ fn can_run_batch_files_without_cmd_extension() {
|
||||
"#,
|
||||
)]);
|
||||
|
||||
let actual = nu!(cwd: dirs.test(), pipeline("foo"));
|
||||
let actual = nu!(cwd: dirs.test(), "{}foo", prefix);
|
||||
assert!(actual.out.contains("Hello World"));
|
||||
},
|
||||
);
|
||||
}
|
||||
|
||||
#[cfg(windows)]
|
||||
#[test]
|
||||
fn can_run_batch_files_without_bat_extension() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn can_run_batch_files_without_bat_extension(prefix: &str) {
|
||||
use nu_test_support::fs::Stub::FileWithContent;
|
||||
Playground::setup(
|
||||
"run a Windows batch file without specifying the extension",
|
||||
@ -435,34 +483,36 @@ fn can_run_batch_files_without_bat_extension() {
|
||||
"#,
|
||||
)]);
|
||||
|
||||
let actual = nu!(cwd: dirs.test(), pipeline("foo"));
|
||||
let actual = nu!(cwd: dirs.test(), "{}foo", prefix);
|
||||
assert!(actual.out.contains("Hello World"));
|
||||
},
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn quotes_trimmed_when_shelling_out() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn quotes_trimmed_when_shelling_out(prefix: &str) {
|
||||
// regression test for a bug where we weren't trimming quotes around string args before shelling out to cmd.exe
|
||||
let actual = nu!(pipeline(
|
||||
let actual = nu!(
|
||||
r#"
|
||||
nu --testbin cococo "foo"
|
||||
"#
|
||||
));
|
||||
{}nu `--testbin` cococo "foo"
|
||||
"#,
|
||||
prefix
|
||||
);
|
||||
|
||||
assert_eq!(actual.out, "foo");
|
||||
}
|
||||
|
||||
#[cfg(not(windows))]
|
||||
#[test]
|
||||
fn redirect_combine() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn redirect_combine(prefix: &str) {
|
||||
Playground::setup("redirect_combine", |dirs, _| {
|
||||
let actual = nu!(
|
||||
cwd: dirs.test(), pipeline(
|
||||
cwd: dirs.test(),
|
||||
r#"
|
||||
run-external sh ...[-c 'echo Foo; echo >&2 Bar'] o+e>| print
|
||||
"#
|
||||
));
|
||||
{}sh ...[-c 'echo Foo; echo >&2 Bar'] o+e>| print
|
||||
"#,
|
||||
prefix
|
||||
);
|
||||
|
||||
// Lines are collapsed in the nu! macro
|
||||
assert_eq!(actual.out, "FooBar");
|
||||
@ -470,8 +520,8 @@ fn redirect_combine() {
|
||||
}
|
||||
|
||||
#[cfg(windows)]
|
||||
#[test]
|
||||
fn can_run_ps1_files() {
|
||||
#[apply(run_external_prefixes)]
|
||||
fn can_run_ps1_files(prefix: &str) {
|
||||
use nu_test_support::fs::Stub::FileWithContent;
|
||||
Playground::setup("run_a_windows_ps_file", |dirs, sandbox| {
|
||||
sandbox.with_files(&[FileWithContent(
|
||||
@ -481,7 +531,7 @@ fn can_run_ps1_files() {
|
||||
"#,
|
||||
)]);
|
||||
|
||||
let actual = nu!(cwd: dirs.test(), pipeline("foo.ps1"));
|
||||
let actual = nu!(cwd: dirs.test(), "{}foo.ps1", prefix);
|
||||
assert!(actual.out.contains("Hello World"));
|
||||
});
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user