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(When ale_rust_cargo_clippy_options does not start with --, it is added):
  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(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',
  \]