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https://github.com/nushell/nushell
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19beafa865
# Description Change behavior of block evaluation to not print result of intermediate commands. Previously result of every but last pipeline in a block was printed to stdout, and last one was returned  With this change results of intermediate pipelines are discarded after they finish and the last one is returned as before:  Now one should use `print` explicitly to print something to stdout  **Note, that this behavior is not limited to functions!** The scope of this change are all blocks. All of the below are executed as blocks and thus exibited this behavior in the same way:  With this change outputs for all types of blocks are cleaned:  # User-Facing Changes All types of blocks (function bodies, closures, `if` branches, `for` and `loop` bodies e.t.c.) no longer print result of intermediate pipelines. # Tests + Formatting Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A clippy::needless_collect` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass # After Submitting If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date.
98 lines
2 KiB
Rust
98 lines
2 KiB
Rust
use nu_test_support::nu;
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#[test]
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fn with_env_extends_environment() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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"with-env [FOO BARRRR] {echo $env} | get FOO"
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);
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assert_eq!(actual.out, "BARRRR");
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}
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#[test]
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fn with_env_shorthand() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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"FOO=BARRRR echo $env | get FOO"
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);
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assert_eq!(actual.out, "BARRRR");
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}
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#[test]
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fn shorthand_doesnt_reorder_arguments() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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"FOO=BARRRR nu --testbin cococo first second"
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);
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assert_eq!(actual.out, "first second");
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}
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#[test]
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fn with_env_shorthand_trims_quotes() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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"FOO='BARRRR' echo $env | get FOO"
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);
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assert_eq!(actual.out, "BARRRR");
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}
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#[test]
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fn with_env_and_shorthand_same_result() {
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let actual_shorthand = nu!(
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cwd: "tests/fixtures/formats",
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"FOO='BARRRR' echo $env | get FOO"
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);
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let actual_normal = nu!(
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cwd: "tests/fixtures/formats",
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"with-env [FOO BARRRR] {echo $env} | get FOO"
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);
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assert_eq!(actual_shorthand.out, actual_normal.out);
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}
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#[test]
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fn test_redirection2() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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"let x = (FOO=BAR nu --testbin cococo niceenvvar); $x | str trim | str length"
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);
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assert_eq!(actual.out, "10");
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}
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#[test]
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fn with_env_hides_variables_in_parent_scope() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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r#"
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let-env FOO = "1"
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print $env.FOO
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with-env [FOO null] {
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echo $env.FOO
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}
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print $env.FOO
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"#
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);
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assert_eq!(actual.out, "11");
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}
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#[test]
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fn with_env_shorthand_can_not_hide_variables() {
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let actual = nu!(
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cwd: "tests/fixtures/formats",
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r#"
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let-env FOO = "1"
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print $env.FOO
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FOO=null print $env.FOO
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print $env.FOO
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"#
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);
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assert_eq!(actual.out, "1null1");
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}
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