Auto merge of #108148 - parthopdas:master, r=oli-obk

Implementing "<test_binary> --list --format json" for use by IDE test explorers / runners

Fixes #107307

PR 1 of 2 - wiring up just the new information + implement the command line changes i.e. --format json + tests

upcoming:
PR 2 of 2 - clean up "#[cfg(not(bootstrap))]" from PR 1

As per the discussions on
- MCP: https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/Implementing.20.22.3Ctest_binary.3E.20--list.20--form.E2.80.A6.20compiler-team.23592/near/328747548
- preRFC: https://internals.rust-lang.org/t/pre-rfc-implementing-test-binary-list-format-json-for-use-by-ide-test-explorers-runners/18308
- FYI on Discord: https://discord.com/channels/442252698964721669/459149169546887178/1075581549409484820

2 files changed, 21 insertions, 4 deletions

diff --git a/tests/pretty/tests-are-sorted.pp b/tests/pretty/tests-are-sorted.pp
index 15dcd4ed97d..58f746f2e0e 100644
--- a/tests/pretty/tests-are-sorted.pp
+++ b/tests/pretty/tests-are-sorted.pp
@@ -4,7 +4,7 @@
 use ::std::prelude::rust_2015::*;
 #[macro_use]
 extern crate std;
-// compile-flags: --crate-type=lib --test
+// compile-flags: --crate-type=lib --test --remap-path-prefix={{src-base}}/=/the/src/ --remap-path-prefix={{src-base}}\=/the/src/
 // pretty-compare-only
 // pretty-mode:expanded
 // pp-exact:tests-are-sorted.pp
@@ -18,6 +18,11 @@ pub const m_test: test::TestDescAndFn =
             name: test::StaticTestName("m_test"),
             ignore: false,
             ignore_message: ::core::option::Option::None,
+            source_file: "/the/src/tests-are-sorted.rs",
+            start_line: 7usize,
+            start_col: 4usize,
+            end_line: 7usize,
+            end_col: 10usize,
             compile_fail: false,
             no_run: false,
             should_panic: test::ShouldPanic::No,
@@ -34,8 +39,13 @@ pub const z_test: test::TestDescAndFn =
     test::TestDescAndFn {
         desc: test::TestDesc {
             name: test::StaticTestName("z_test"),
-            ignore: false,
-            ignore_message: ::core::option::Option::None,
+            ignore: true,
+            ignore_message: ::core::option::Option::Some("not yet implemented"),
+            source_file: "/the/src/tests-are-sorted.rs",
+            start_line: 11usize,
+            start_col: 4usize,
+            end_line: 11usize,
+            end_col: 10usize,
             compile_fail: false,
             no_run: false,
             should_panic: test::ShouldPanic::No,
@@ -43,6 +53,7 @@ pub const z_test: test::TestDescAndFn =
         },
         testfn: test::StaticTestFn(|| test::assert_test_result(z_test())),
     };
+#[ignore = "not yet implemented"]
 fn z_test() {}
 
 extern crate test;
@@ -54,6 +65,11 @@ pub const a_test: test::TestDescAndFn =
             name: test::StaticTestName("a_test"),
             ignore: false,
             ignore_message: ::core::option::Option::None,
+            source_file: "/the/src/tests-are-sorted.rs",
+            start_line: 14usize,
+            start_col: 4usize,
+            end_line: 14usize,
+            end_col: 10usize,
             compile_fail: false,
             no_run: false,
             should_panic: test::ShouldPanic::No,
diff --git a/tests/pretty/tests-are-sorted.rs b/tests/pretty/tests-are-sorted.rs
index 1f737d54719..39e0922250b 100644
--- a/tests/pretty/tests-are-sorted.rs
+++ b/tests/pretty/tests-are-sorted.rs
@@ -1,4 +1,4 @@
-// compile-flags: --crate-type=lib --test
+// compile-flags: --crate-type=lib --test --remap-path-prefix={{src-base}}/=/the/src/ --remap-path-prefix={{src-base}}\=/the/src/
 // pretty-compare-only
 // pretty-mode:expanded
 // pp-exact:tests-are-sorted.pp
@@ -7,6 +7,7 @@
 fn m_test() {}
 
 #[test]
+#[ignore = "not yet implemented"]
 fn z_test() {}
 
 #[test]