Before: call ale#assert#SetUpLinterTest('rust', 'cargo') call ale#test#SetFilename('cargo_paths/test.rs') let g:cd = 'cd ' . ale#Escape(ale#path#Simplify(g:dir . '/cargo_paths')) . ' && ' let g:suffix = ' --frozen --message-format=json -q' let g:ale_rust_cargo_avoid_whole_workspace = 0 " Test with version 0.22.0 by default. GivenCommandOutput ['cargo 0.22.0 (3423351a5 2017-10-06)'] After: call ale#assert#TearDownLinterTest() unlet! g:cd unlet! g:suffix Execute(The linter should not be executed when there's no Cargo.toml file): call ale#test#SetFilename('../foo.rs') AssertLinterNotExecuted Execute(The linter should be executed when there is a Cargo.toml file): GivenCommandOutput [] AssertLinter 'cargo', 'cargo build --frozen --message-format=json -q' Execute(`cargo check` should be used when the version is new enough): GivenCommandOutput ['cargo 0.17.0 (3423351a5 2017-10-06)'] AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo check' . g:suffix, \] " We should cache the version check GivenCommandOutput [] AssertLinter 'cargo', ['cargo check' . g:suffix] Execute(`cargo build` should be used when cargo is too old): GivenCommandOutput ['cargo 0.16.0 (3423351a5 2017-10-06)'] AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo build' . g:suffix, \] GivenCommandOutput [] AssertLinter 'cargo', ['cargo build' . g:suffix] Execute(`cargo build` should be used when g:ale_rust_cargo_use_check is set to 0): let g:ale_rust_cargo_use_check = 0 GivenCommandOutput ['cargo 0.24.0 (3423351a5 2017-10-06)'] AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo build' . g:suffix, \] " We should cache the version check GivenCommandOutput [] AssertLinter 'cargo', ['cargo build' . g:suffix] Execute(`cargo check` should be used when the version is new enough): AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo check' . g:suffix, \] " We should cache the version check GivenCommandOutput [] AssertLinter 'cargo', ['cargo check' . g:suffix] Execute(--all-targets should be used when g:ale_rust_cargo_check_all_targets is set to 1): let g:ale_rust_cargo_check_all_targets = 1 AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --all-targets' . g:suffix] " We should cache the version check AssertLinter 'cargo', ['cargo check --all-targets' . g:suffix] Execute(--tests should be used when g:ale_rust_cargo_check_tests is set to 1): let g:ale_rust_cargo_check_tests = 1 AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --tests' . g:suffix] " We should cache the version check GivenCommandOutput [] AssertLinter 'cargo', ['cargo check --tests' . g:suffix] Execute(--examples should be used when g:ale_rust_cargo_check_examples is set to 1): let g:ale_rust_cargo_check_examples = 1 AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --examples' . g:suffix] " We should cache the version check GivenCommandOutput [] AssertLinter 'cargo', ['cargo check --examples' . g:suffix] Execute(--no-default-features should be used when g:ale_rust_cargo_default_feature_behavior is none): let b:ale_rust_cargo_default_feature_behavior = 'none' AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --frozen --message-format=json -q --no-default-features'] Execute(g:ale_rust_cargo_include_features added when g:ale_rust_cargo_default_feature_behavior is none): let b:ale_rust_cargo_default_feature_behavior = 'none' let b:ale_rust_cargo_include_features = 'foo bar' AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --frozen --message-format=json -q --no-default-features --features ' . ale#Escape('foo bar')] Execute(g:ale_rust_cargo_include_features added and escaped): let b:ale_rust_cargo_default_feature_behavior = 'default' let b:ale_rust_cargo_include_features = "foo bar baz" AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --frozen --message-format=json -q --features ' . ale#Escape('foo bar baz')] Execute(--all-features should be used when g:ale_rust_cargo_default_feature_behavior is all): let b:ale_rust_cargo_default_feature_behavior = 'all' " When all features are enabled we should ignore extra features to add " since it won't do anything let b:ale_rust_cargo_include_features = 'foo bar' GivenCommandOutput ['cargo 0.22.0 (3423351a5 2017-10-06)'] AssertLinter 'cargo', [ale#Escape('cargo') . ' --version', 'cargo check --frozen --message-format=json -q --all-features'] Execute(When a crate belongs to a workspace we should cd into the crate): let g:ale_rust_cargo_avoid_whole_workspace = 1 call ale#test#SetFilename('cargo_workspace_paths/subpath/test.rs') AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cd ' . ale#Escape(ale#path#Simplify(g:dir . '/cargo_workspace_paths/subpath')) . ' && ' \ . 'cargo check --frozen --message-format=json -q', \] Execute(When a crate belongs to a workspace we chdir into the crate, unless we disabled it): let g:ale_rust_cargo_avoid_whole_workspace = 0 call ale#test#SetFilename('cargo_workspace_paths/subpath/test.rs') AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo check --frozen --message-format=json -q', \] Execute(When ale_rust_cargo_use_clippy is set, cargo-clippy is used as linter): let b:ale_rust_cargo_use_clippy = 1 AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo clippy --frozen --message-format=json -q', \] Execute(When ale_rust_cargo_clippy_options is set, cargo-clippy appends it to commandline): let b:ale_rust_cargo_use_clippy = 1 let b:ale_rust_cargo_clippy_options = '-- -D warnings' AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo clippy --frozen --message-format=json -q -- -D warnings', \] Execute(Clippy options work without prepending --): let b:ale_rust_cargo_use_clippy = 1 let b:ale_rust_cargo_clippy_options = '-D warnings' AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo clippy --frozen --message-format=json -q -- -D warnings', \] Execute(Build supports all cargo flags): let g:ale_rust_cargo_use_check = 0 let g:ale_rust_cargo_check_all_targets = 1 let g:ale_rust_cargo_check_tests = 1 let g:ale_rust_cargo_check_examples = 1 let b:ale_rust_cargo_default_feature_behavior = 'all' AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo build --all-targets --examples --tests --frozen --message-format=json -q --all-features', \] Execute(Clippy supports all cargo flags): let b:ale_rust_cargo_use_clippy = 1 let g:ale_rust_cargo_check_all_targets = 1 let g:ale_rust_cargo_check_tests = 1 let g:ale_rust_cargo_check_examples = 1 let b:ale_rust_cargo_default_feature_behavior = 'all' let b:ale_rust_cargo_clippy_options = '-D warnings' AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo clippy --all-targets --examples --tests --frozen --message-format=json -q --all-features -- -D warnings', \] Execute(cargo-check does not refer ale_rust_cargo_clippy_options): let b:ale_rust_cargo_use_clippy = 0 let b:ale_rust_cargo_use_check = 1 let b:ale_rust_cargo_clippy_options = '-- -D warnings' AssertLinter 'cargo', [ \ ale#Escape('cargo') . ' --version', \ 'cargo check --frozen --message-format=json -q', \]