Update ui test crate

Author: oli-obk

.cargo/config.toml

@@ -1,7 +1,7 @@
 [alias]
-uitest = "test --test compile-test"
-uibless = "test --test compile-test -- -- --bless"
-bless = "test -- -- --bless"
+uitest = "test --test compile-test -- --check"
+uibless = "test --test compile-test"
+bless = "test"
 dev = "run --package clippy_dev --bin clippy_dev --manifest-path clippy_dev/Cargo.toml --"
 lintcheck = "run --package lintcheck --bin lintcheck --manifest-path lintcheck/Cargo.toml  -- "
 collect-metadata = "test --test dogfood --features internal -- run_metadata_collection_lint --ignored"

Cargo.toml

@@ -27,7 +27,7 @@ tempfile = { version = "3.2", optional = true }
 termize = "0.1"
 
 [dev-dependencies]
-ui_test = "0.11.5"
+ui_test = "0.12"
 tester = "0.9"
 regex = "1.5"
 toml = "0.7.3"

book/src/development/adding_lints.md

@@ -161,8 +161,8 @@ The process of generating the `.stderr` file is the same, and prepending the
 ## Rustfix tests
 
 If the lint you are working on is making use of structured suggestions, the test
-file should include a `//@run-rustfix` comment at the top. This will
-additionally run [rustfix] for that test. Rustfix will apply the suggestions
+will create a `.fixed` file by running [rustfix] for that test.
+Rustfix will apply the suggestions
 from the lint to the code of the test file and compare that to the contents of a
 `.fixed` file.
 

clippy_dev/src/update_lints.rs

@@ -690,7 +690,6 @@ fn gen_deprecated_lints_test(lints: &[DeprecatedLint]) -> String {
 fn gen_renamed_lints_test(lints: &[RenamedLint]) -> String {
     let mut seen_lints = HashSet::new();
     let mut res: String = GENERATED_FILE_COMMENT.into();
-    res.push_str("//@run-rustfix\n\n");
     for lint in lints {
         if seen_lints.insert(&lint.new_name) {
             writeln!(res, "#![allow({})]", lint.new_name).unwrap();

tests/compile-test.rs

@@ -5,7 +5,7 @@
 #![warn(rust_2018_idioms, unused_lifetimes)]
 #![allow(unused_extern_crates)]
 
-use compiletest::{status_emitter, CommandBuilder, OutputConflictHandling};
+use compiletest::{status_emitter, Args, CommandBuilder, OutputConflictHandling};
 use ui_test as compiletest;
 use ui_test::Mode as TestMode;
 
@@ -110,12 +110,13 @@ mod test_utils;
 // whether to run internal tests or not
 const RUN_INTERNAL_TESTS: bool = cfg!(feature = "internal");
 
-fn base_config(test_dir: &str) -> compiletest::Config {
+fn base_config(test_dir: &str) -> (compiletest::Config, Args) {
+    let args = Args::test();
     let mut config = compiletest::Config {
         mode: TestMode::Yolo,
         stderr_filters: vec![],
         stdout_filters: vec![],
-        output_conflict_handling: if var_os("BLESS").is_some() || env::args().any(|arg| arg == "--bless") {
+        output_conflict_handling: if var_os("BLESS").is_some() || !args.check {
             OutputConflictHandling::Bless
         } else {
             OutputConflictHandling::Error("cargo uibless".into())
@@ -161,7 +162,7 @@ fn base_config(test_dir: &str) -> compiletest::Config {
     } else {
         "clippy-driver"
     });
-    config
+    (config, args)
 }
 
 fn test_filter() -> Box<dyn Sync + Fn(&Path) -> bool> {
@@ -174,7 +175,7 @@ fn test_filter() -> Box<dyn Sync + Fn(&Path) -> bool> {
 }
 
 fn run_ui() {
-    let config = base_config("ui");
+    let (config, args) = base_config("ui");
     //config.rustfix_coverage = true;
     // use tests/clippy.toml
     let _g = VarGuard::set("CARGO_MANIFEST_DIR", fs::canonicalize("tests").unwrap());
@@ -192,36 +193,37 @@ fn run_ui() {
 
     compiletest::run_tests_generic(
         config,
-        move |path| compiletest::default_file_filter(path) && test_filter(path),
+        args,
+        move |path, args| compiletest::default_file_filter(path, args) && test_filter(path),
         compiletest::default_per_file_config,
-        status_emitter::Text,
+        status_emitter::Text::verbose(),
     )
     .unwrap();
-    check_rustfix_coverage();
 }
 
 fn run_internal_tests() {
     // only run internal tests with the internal-tests feature
     if !RUN_INTERNAL_TESTS {
         return;
     }
-    let mut config = base_config("ui-internal");
+    let (mut config, args) = base_config("ui-internal");
     if let OutputConflictHandling::Error(err) = &mut config.output_conflict_handling {
-        *err = "cargo uitest --features internal -- -- --bless".into();
+        *err = "cargo uitest --features internal".into();
     }
     let test_filter = test_filter();
 
     compiletest::run_tests_generic(
         config,
-        move |path| compiletest::default_file_filter(path) && test_filter(path),
+        args,
+        move |path, args| compiletest::default_file_filter(path, args) && test_filter(path),
         compiletest::default_per_file_config,
-        status_emitter::Text,
+        status_emitter::Text::verbose(),
     )
     .unwrap();
 }
 
 fn run_ui_toml() {
-    let mut config = base_config("ui-toml");
+    let (mut config, args) = base_config("ui-toml");
 
     config.stderr_filter(
         &regex::escape(
@@ -240,7 +242,8 @@ fn run_ui_toml() {
 
     ui_test::run_tests_generic(
         config,
-        |path| compiletest::default_file_filter(path) && test_filter(path),
+        args,
+        |path, args| compiletest::default_file_filter(path, args) && test_filter(path),
         |config, path| {
             let mut config = config.clone();
             config
@@ -249,7 +252,7 @@ fn run_ui_toml() {
                 .push(("CLIPPY_CONF_DIR".into(), Some(path.parent().unwrap().into())));
             Some(config)
         },
-        status_emitter::Text,
+        status_emitter::Text::verbose(),
     )
     .unwrap();
 }
@@ -259,7 +262,7 @@ fn run_ui_cargo() {
         return;
     }
 
-    let mut config = base_config("ui-cargo");
+    let (mut config, args) = base_config("ui-cargo");
     config.program.input_file_flag = CommandBuilder::cargo().input_file_flag;
     config.program.out_dir_flag = CommandBuilder::cargo().out_dir_flag;
     config.program.args = vec!["clippy".into(), "--color".into(), "never".into(), "--quiet".into()];
@@ -294,13 +297,14 @@ fn run_ui_cargo() {
 
     ui_test::run_tests_generic(
         config,
-        |path| test_filter(path) && path.ends_with("Cargo.toml"),
+        args,
+        |path, _args| test_filter(path) && path.ends_with("Cargo.toml"),
         |config, path| {
             let mut config = config.clone();
             config.out_dir = PathBuf::from("target/ui_test_cargo/").join(path.parent().unwrap());
             Some(config)
         },
-        status_emitter::Text,
+        status_emitter::Text::verbose(),
     )
     .unwrap();
 }
@@ -325,7 +329,6 @@ fn main() {
             "cargo" => run_ui_cargo as fn(),
             "toml" => run_ui_toml as fn(),
             "internal" => run_internal_tests as fn(),
-            "rustfix-coverage-known-exceptions-accuracy" => rustfix_coverage_known_exceptions_accuracy as fn(),
             "ui-cargo-toml-metadata" => ui_cargo_toml_metadata as fn(),
 
             _ => panic!("unknown speedtest: {speedtest} || accepted speedtests are: [ui, cargo, toml, internal]"),
@@ -352,89 +355,10 @@ fn main() {
         run_ui_toml();
         run_ui_cargo();
         run_internal_tests();
-        rustfix_coverage_known_exceptions_accuracy();
         ui_cargo_toml_metadata();
     }
 }
 
-const RUSTFIX_COVERAGE_KNOWN_EXCEPTIONS: &[&str] = &[
-    "assign_ops2.rs",
-    "borrow_deref_ref_unfixable.rs",
-    "cast_size_32bit.rs",
-    "char_lit_as_u8.rs",
-    "cmp_owned/without_suggestion.rs",
-    "dbg_macro.rs",
-    "deref_addrof_double_trigger.rs",
-    "doc/unbalanced_ticks.rs",
-    "eprint_with_newline.rs",
-    "explicit_counter_loop.rs",
-    "iter_skip_next_unfixable.rs",
-    "let_and_return.rs",
-    "literals.rs",
-    "map_flatten.rs",
-    "map_unwrap_or.rs",
-    "match_bool.rs",
-    "mem_replace_macro.rs",
-    "needless_arbitrary_self_type_unfixable.rs",
-    "needless_borrow_pat.rs",
-    "needless_for_each_unfixable.rs",
-    "nonminimal_bool.rs",
-    "print_literal.rs",
-    "redundant_static_lifetimes_multiple.rs",
-    "ref_binding_to_reference.rs",
-    "repl_uninit.rs",
-    "result_map_unit_fn_unfixable.rs",
-    "search_is_some.rs",
-    "single_component_path_imports_nested_first.rs",
-    "string_add.rs",
-    "suspicious_to_owned.rs",
-    "toplevel_ref_arg_non_rustfix.rs",
-    "unit_arg.rs",
-    "unnecessary_clone.rs",
-    "unnecessary_lazy_eval_unfixable.rs",
-    "write_literal.rs",
-    "write_literal_2.rs",
-];
-
-fn check_rustfix_coverage() {
-    let missing_coverage_path = Path::new("debug/test/ui/rustfix_missing_coverage.txt");
-    let missing_coverage_path = if let Ok(target_dir) = std::env::var("CARGO_TARGET_DIR") {
-        PathBuf::from(target_dir).join(missing_coverage_path)
-    } else {
-        missing_coverage_path.to_path_buf()
-    };
-
-    if let Ok(missing_coverage_contents) = std::fs::read_to_string(missing_coverage_path) {
-        assert!(RUSTFIX_COVERAGE_KNOWN_EXCEPTIONS.iter().is_sorted_by_key(Path::new));
-
-        for rs_file in missing_coverage_contents.lines() {
-            let rs_path = Path::new(rs_file);
-            if rs_path.starts_with("tests/ui/crashes") {
-                continue;
-            }
-            assert!(rs_path.starts_with("tests/ui/"), "{rs_file:?}");
-            let filename = rs_path.strip_prefix("tests/ui/").unwrap();
-            assert!(
-                RUSTFIX_COVERAGE_KNOWN_EXCEPTIONS
-                    .binary_search_by_key(&filename, Path::new)
-                    .is_ok(),
-                "`{rs_file}` runs `MachineApplicable` diagnostics but is missing a `run-rustfix` annotation. \
-                Please either add `//@run-rustfix` at the top of the file or add the file to \
-                `RUSTFIX_COVERAGE_KNOWN_EXCEPTIONS` in `tests/compile-test.rs`.",
-            );
-        }
-    }
-}
-
-fn rustfix_coverage_known_exceptions_accuracy() {
-    for filename in RUSTFIX_COVERAGE_KNOWN_EXCEPTIONS {
-        let rs_path = Path::new("tests/ui").join(filename);
-        assert!(rs_path.exists(), "`{}` does not exist", rs_path.display());
-        let fixed_path = rs_path.with_extension("fixed");
-        assert!(!fixed_path.exists(), "`{}` exists", fixed_path.display());
-    }
-}
-
 fn ui_cargo_toml_metadata() {
     let ui_cargo_path = Path::new("tests/ui-cargo");
     let cargo_common_metadata_path = ui_cargo_path.join("cargo_common_metadata");

tests/ui-internal/collapsible_span_lint_calls.fixed

@@ -1,4 +1,4 @@
-//@run-rustfix
+
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute)]
 #![feature(rustc_private)]

tests/ui-internal/collapsible_span_lint_calls.rs

@@ -1,4 +1,3 @@
-//@run-rustfix
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute)]
 #![feature(rustc_private)]

tests/ui-internal/interning_defined_symbol.fixed

@@ -1,4 +1,4 @@
-//@run-rustfix
+
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute, clippy::let_unit_value)]
 #![feature(rustc_private)]

tests/ui-internal/interning_defined_symbol.rs

@@ -1,4 +1,3 @@
-//@run-rustfix
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute, clippy::let_unit_value)]
 #![feature(rustc_private)]

tests/ui-internal/invalid_msrv_attr_impl.fixed

@@ -1,4 +1,4 @@
-//@run-rustfix
+
 
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute)]

tests/ui-internal/invalid_msrv_attr_impl.rs

@@ -1,5 +1,3 @@
-//@run-rustfix
-
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute)]
 #![feature(rustc_private)]

tests/ui-internal/outer_expn_data.fixed

@@ -1,4 +1,4 @@
-//@run-rustfix
+
 
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute)]

tests/ui-internal/outer_expn_data.rs

@@ -1,5 +1,3 @@
-//@run-rustfix
-
 #![deny(clippy::internal)]
 #![allow(clippy::missing_clippy_version_attribute)]
 #![feature(rustc_private)]

tests/ui-internal/unnecessary_def_path.fixed

@@ -1,4 +1,4 @@
-//@run-rustfix
+
 //@aux-build:paths.rs
 #![deny(clippy::internal)]
 #![feature(rustc_private)]

tests/ui-internal/unnecessary_def_path.rs

@@ -1,4 +1,3 @@
-//@run-rustfix
 //@aux-build:paths.rs
 #![deny(clippy::internal)]
 #![feature(rustc_private)]

tests/ui-internal/unnecessary_symbol_str.fixed

@@ -1,4 +1,4 @@
-//@run-rustfix
+
 #![feature(rustc_private)]
 #![deny(clippy::internal)]
 #![allow(

tests/ui-internal/unnecessary_symbol_str.rs

@@ -1,4 +1,3 @@
-//@run-rustfix
 #![feature(rustc_private)]
 #![deny(clippy::internal)]
 #![allow(

tests/ui-toml/allow_mixed_uninlined_format_args/uninlined_format_args.fixed

@@ -1,4 +1,3 @@
-//@run-rustfix
 #![warn(clippy::uninlined_format_args)]
 #![allow(clippy::unnecessary_literal_unwrap)]
 

tests/ui-toml/allow_mixed_uninlined_format_args/uninlined_format_args.rs

@@ -1,4 +1,3 @@
-//@run-rustfix
 #![warn(clippy::uninlined_format_args)]
 #![allow(clippy::unnecessary_literal_unwrap)]