Check //~ERROR comments in ui tests #46116

oli-obk · 2017-11-20T15:26:50Z

cc #44844 @Phlosioneer @estebank @petrochenkov

this depends on #46052 getting merged first (the commits are included in here)

The relevant changes of this PR are c2f0af7 and 979269b

nikomatsakis · 2017-11-20T17:54:09Z

I'm very excited to see this PR!

One minor thing is that I think there was some minor advantage in trying to capture the exact output we gave to the user (versus relying on JSON). But I think having just a test or two that checks that would be good enough -- and really we weren't checking colors anyhow.

zackmdavis · 2017-11-20T20:16:20Z

src/librustc/session/mod.rs

-                let id_span_message = (lint_id, span, message.to_owned());
-                let fresh = self.one_time_diagnostics.borrow_mut().insert(id_span_message);
-                if fresh {
-                    do_method()


The motivation for defining the do_method closure was to avoid repeating the match method code for the JSON and human-friendly cases: if we're going to start treating these the same, we can delete lines 362–371 and put the match here.

zackmdavis · 2017-11-20T20:19:17Z

src/test/ui/check_match/issue-43253.stderr


 warning: unreachable pattern
  --> $DIR/issue-43253.rs:49:9
   |
 49 |         9...9 => {},
   |         ^^^^^
+   |
+note: lint level defined here


This looks like a regression in one-time diagnostics (the motivation for which was avoiding too many "lint level defined here"s), but it's not immediately clear why that would happen ...

I think this is just a mixup that happened due to the update-all script not actually updating everything after it produced the expected output once. I need to touch all files in order to have them regenerate their stderr files.

Phlosioneer · 2017-11-20T22:27:14Z

I'm glad someone's taken over for me. Thanks.

bors · 2017-11-21T09:14:28Z

☔ The latest upstream changes (presumably #45545) made this pull request unmergeable. Please resolve the merge conflicts.

oli-obk · 2017-11-21T09:18:08Z

But I think having just a test or two that checks that would be good enough -- and really we weren't checking colors anyhow.

I added one. It's just a matter of adding // compile-flags: --error-format=human to the file. In that case the //~ ERROR comments won't work anymore

oli-obk · 2017-11-21T10:10:45Z

Travis should pass now. At least both ui and ui-fulldeps run through locally on my machine.

bors · 2017-11-21T20:06:43Z

☔ The latest upstream changes (presumably #46166) made this pull request unmergeable. Please resolve the merge conflicts.

nikomatsakis

r=me

I'm sure this is prone to bitrot, so p=1 as well.

nikomatsakis · 2017-11-22T09:05:24Z

src/libsyntax/json.rs

@@ -170,6 +171,27 @@ impl Diagnostic {
                rendered: None,
            }
        });
+
+        // generate regular command line output and store it in the json


As an aside, one thing I have long wanted is precisely this: to have the full formatted output in the JSON. The only thing missing here are the colors, but I guess we could add that in a side "attribute" table saying like "the text from this column to that column is this color".

cc @estebank

nikomatsakis · 2017-11-22T09:26:19Z

Travis result:

failures:
[00:49:26]     [compile-fail] compile-fail/issue-31221.rs
[00:49:26]     [compile-fail] compile-fail/lint-output-format-2.rs
[00:49:26]     [compile-fail] compile-fail/lint-unconditional-recursion.rs

oli-obk · 2017-11-22T14:58:29Z

tests pass locally now

kennytm · 2017-11-22T16:40:40Z

@bors r=nikomatsakis p=1

bors · 2017-11-22T16:40:41Z

📌 Commit 5a6da19 has been approved by nikomatsakis

bors · 2017-11-22T18:54:31Z

⌛ Testing commit 5a6da1969c0e5f74866ca6d0cec62aeca8948c95 with merge 8b0d1bb4012f71191363fdf3d024eb72454ab84c...

bors · 2017-11-22T19:38:14Z

💔 Test failed - status-travis

kennytm · 2017-11-22T19:49:05Z

The UI tests need to be updated to account for the recent merges. Please rebase on latest master.

[00:38:49] failures:
[00:38:49] 
[00:38:49] ---- [ui] ui/fmt/send-sync.rs stdout ----
[00:38:49] 	
[00:38:49] error: /checkout/src/test/ui/fmt/send-sync.rs:18: unexpected error: '18:5: 18:9: the trait bound `*mut std::ops::Fn() + 'static: std::marker::Sync` is not satisfied in `[std::fmt::ArgumentV1<'_>]` [E0277]'
[00:38:49] 
[00:38:49] error: /checkout/src/test/ui/fmt/send-sync.rs:19: unexpected error: '19:5: 19:9: the trait bound `*mut std::ops::Fn() + 'static: std::marker::Sync` is not satisfied in `std::fmt::Arguments<'_>` [E0277]'
[00:38:49] 
[00:38:49] error: 2 unexpected errors found, 0 expected errors not found
[00:38:49] status: exit code: 101
[00:38:49] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/fmt/send-sync.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--target=x86_64-unknown-linux-musl" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/fmt/send-sync.stage2-x86_64-unknown-linux-musl" "-Crpath" "-O" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-musl/native/rust-test-helpers" "-Clinker=/musl-x86_64/bin/musl-gcc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/fmt/send-sync.stage2-x86_64-unknown-linux-musl.aux" "-A" "unused"
[00:38:49] unexpected errors (from JSON output): [
[00:38:49]     Error {
[00:38:49]         line_num: 18,
[00:38:49]         kind: Some(
[00:38:49]             Error
[00:38:49]         ),
[00:38:49]         msg: "18:5: 18:9: the trait bound `*mut std::ops::Fn() + \'static: std::marker::Sync` is not satisfied in `[std::fmt::ArgumentV1<\'_>]` [E0277]"
[00:38:49]     },
[00:38:49]     Error {
[00:38:49]         line_num: 19,
[00:38:49]         kind: Some(
[00:38:49]             Error
[00:38:49]         ),
[00:38:49]         msg: "19:5: 19:9: the trait bound `*mut std::ops::Fn() + \'static: std::marker::Sync` is not satisfied in `std::fmt::Arguments<\'_>` [E0277]"
[00:38:49]     }
[00:38:49] ]
[00:38:49] 
[00:38:49] thread '[ui] ui/fmt/send-sync.rs' panicked at 'explicit panic', /checkout/src/tools/compiletest/src/runtest.rs:1086:12
[00:38:49] note: Run with `RUST_BACKTRACE=1` for a backtrace.
[00:38:49] 
[00:38:49] ---- [ui] ui/impl-trait/no-method-suggested-traits.rs stdout ----
[00:38:49] 	
[00:38:49] error: /checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs:14: unexpected help message: '14:1: 14:1: the following traits are implemented but not in scope, perhaps add a `use` for one of them:'
[00:38:49] 
[00:38:49] error: /checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs:14: unexpected help message: '14:1: 14:1: the following traits are implemented but not in scope, perhaps add a `use` for one of them:'
[00:38:49] 
[00:38:49] error: /checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs:14: unexpected help message: '14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:'
[00:38:49] 
[00:38:49] error: /checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs:14: unexpected help message: '14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:'
[00:38:49] 
[00:38:49] error: /checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs:14: unexpected help message: '14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:'
[00:38:49] 
[00:38:49] error: /checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs:14: unexpected help message: '14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:'
[00:38:49] 
[00:38:49] error: 6 unexpected errors found, 0 expected errors not found
[00:38:49] status: exit code: 101
[00:38:49] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/impl-trait/no-method-suggested-traits.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--target=x86_64-unknown-linux-musl" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/no-method-suggested-traits.stage2-x86_64-unknown-linux-musl" "-Crpath" "-O" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-musl/native/rust-test-helpers" "-Clinker=/musl-x86_64/bin/musl-gcc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/no-method-suggested-traits.stage2-x86_64-unknown-linux-musl.aux" "-A" "unused"
[00:38:49] unexpected errors (from JSON output): [
[00:38:49]     Error {
[00:38:49]         line_num: 14,
[00:38:49]         kind: Some(
[00:38:49]             Help
[00:38:49]         ),
[00:38:49]         msg: "14:1: 14:1: the following traits are implemented but not in scope, perhaps add a `use` for one of them:"
[00:38:49]     },
[00:38:49]     Error {
[00:38:49]         line_num: 14,
[00:38:49]         kind: Some(
[00:38:49]             Help
[00:38:49]         ),
[00:38:49]         msg: "14:1: 14:1: the following traits are implemented but not in scope, perhaps add a `use` for one of them:"
[00:38:49]     },
[00:38:49]     Error {
[00:38:49]         line_num: 14,
[00:38:49]         kind: Some(
[00:38:49]             Help
[00:38:49]         ),
[00:38:49]         msg: "14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:"
[00:38:49]     },
[00:38:49]     Error {
[00:38:49]         line_num: 14,
[00:38:49]         kind: Some(
[00:38:49]             Help
[00:38:49]         ),
[00:38:49]         msg: "14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:"
[00:38:49]     },
[00:38:49]     Error {
[00:38:49]         line_num: 14,
[00:38:49]         kind: Some(
[00:38:49]             Help
[00:38:49]         ),
[00:38:49]         msg: "14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:"
[00:38:49]     },
[00:38:49]     Error {
[00:38:49]         line_num: 14,
[00:38:49]         kind: Some(
[00:38:49]             Help
[00:38:49]         ),
[00:38:49]         msg: "14:1: 14:1: the following trait is implemented but not in scope, perhaps add a `use` for it:"
[00:38:49]     }
[00:38:49] ]
[00:38:49] 
[00:38:49] thread '[ui] ui/impl-trait/no-method-suggested-traits.rs' panicked at 'explicit panic', /checkout/src/tools/compiletest/src/runtest.rs:1086:12
[00:38:49] 
[00:38:49] ---- [ui] ui/issue-35976.rs stdout ----
[00:38:49] 	
[00:38:49] error: /checkout/src/test/ui/issue-35976.rs:24: expected message not found: another candidate was found in the following trait, perhaps add a `use` for it:
[00:38:49] 
[00:38:49] error: 0 unexpected errors found, 1 expected errors not found
[00:38:49] status: exit code: 101
[00:38:49] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/issue-35976.rs" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--target=x86_64-unknown-linux-musl" "--error-format" "json" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issue-35976.stage2-x86_64-unknown-linux-musl" "-Crpath" "-O" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-musl/native/rust-test-helpers" "-Clinker=/musl-x86_64/bin/musl-gcc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issue-35976.stage2-x86_64-unknown-linux-musl.aux" "-A" "unused"
[00:38:49] not found errors (from test file): [
[00:38:49]     Error {
[00:38:49]         line_num: 24,
[00:38:49]         kind: None,
[00:38:49]         msg: "another candidate was found in the following trait, perhaps add a `use` for it:"
[00:38:49]     }
[00:38:49] ]
[00:38:49] 
[00:38:49] thread '[ui] ui/issue-35976.rs' panicked at 'explicit panic', /checkout/src/tools/compiletest/src/runtest.rs:1086:12
[00:38:49] 
[00:38:49] 
[00:38:49] failures:
[00:38:49]     [ui] ui/fmt/send-sync.rs
[00:38:49]     [ui] ui/impl-trait/no-method-suggested-traits.rs
[00:38:49]     [ui] ui/issue-35976.rs
[00:38:49] 
[00:38:49] test result: FAILED. 462 passed; 3 failed; 1 ignored; 0 measured; 0 filtered out

oli-obk · 2017-11-23T07:59:30Z

updated

bors · 2017-11-23T08:21:24Z

☔ The latest upstream changes (presumably #46024) made this pull request unmergeable. Please resolve the merge conflicts.

oli-obk · 2017-11-23T09:13:37Z

rebased again

oli-obk · 2017-11-23T09:17:21Z

The PR in the queue (#46051) will break this again.

The next one after that (#46054) should be fine though.

oli-obk · 2017-11-23T11:16:03Z

I have not been able to fix it in time (gotta run, and rebase + test is taking too long). Will try again tomorrow.

Can I have bors delegation rights so I can immediately put it in the queue when I fix it?

petrochenkov · 2017-11-23T11:29:18Z

@bors delegate+

bors · 2017-11-23T11:29:19Z

✌️ @oli-obk can now approve this pull request

oli-obk · 2017-11-24T08:01:54Z

@bors r=nikomatsakis p=1

bors · 2017-11-24T08:01:54Z

📌 Commit 8c1f9ef has been approved by nikomatsakis

bors · 2017-11-24T09:05:16Z

⌛ Testing commit 8c1f9ef with merge cc8ceb0...

@nikomatsakis

Check //~ERROR comments in ui tests r? @nikomatsakis cc #44844 @Phlosioneer @estebank @petrochenkov this depends on #46052 getting merged first (the commits are included in here) The relevant changes of this PR are c2f0af7 and 979269b

bors · 2017-11-24T10:06:06Z

💔 Test failed - status-appveyor

oli-obk · 2017-11-24T10:09:45Z

legit:

-$DIR/short-error-format.rs:16:9 - error[E0308]: mismatched types
-$DIR/short-error-format.rs:18:7 - error[E0599]: no method named `salut` found for type `u32` in the current scope
+C:/projects/rust/src/test/ui/short-error-format.rs:16:9 - error[E0308]: mismatched types
+C:/projects/rust/src/test/ui/short-error-format.rs:18:7 - error[E0599]: no method named `salut` found for type `u32` in the current scope

oli-obk · 2017-11-24T10:35:31Z

I wasn't able to test on windows, but I undid the change that lead to the problem (replacing \ with \\ whenever --error-format was passed to a ui test, when it should only be done if the format is json)

@bors r=nikomatsakis p=1

bors · 2017-11-24T10:35:32Z

📌 Commit 8937d6a has been approved by nikomatsakis

bors · 2017-11-24T12:38:17Z

⌛ Testing commit 8937d6a with merge 71da1c2...

@nikomatsakis

Check //~ERROR comments in ui tests r? @nikomatsakis cc #44844 @Phlosioneer @estebank @petrochenkov this depends on #46052 getting merged first (the commits are included in here) The relevant changes of this PR are c2f0af7 and 979269b

bors · 2017-11-24T15:11:06Z

☀️ Test successful - status-appveyor, status-travis
Approved by: nikomatsakis
Pushing 71da1c2 to master...

rust-highfive assigned nikomatsakis Nov 20, 2017

kennytm added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Nov 20, 2017

zackmdavis reviewed Nov 20, 2017

View reviewed changes

oli-obk force-pushed the json_ui branch from 979269b to 6dca0ef Compare November 21, 2017 09:17

oli-obk force-pushed the json_ui branch 2 times, most recently from a30ef3f to f40b805 Compare November 21, 2017 10:01

nikomatsakis approved these changes Nov 22, 2017

View reviewed changes

oli-obk force-pushed the json_ui branch 2 times, most recently from f4cc0f6 to 5a6da19 Compare November 22, 2017 14:57

kennytm added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 22, 2017

oli-obk force-pushed the json_ui branch from 5a6da19 to bee17d9 Compare November 23, 2017 07:59

oli-obk force-pushed the json_ui branch from bee17d9 to 021f834 Compare November 23, 2017 09:13

oli-obk force-pushed the json_ui branch from 021f834 to 6b7e5be Compare November 23, 2017 11:14

oli-obk added 3 commits November 24, 2017 08:06

Simplify an Iterator::fold to Iterator::any

7e07fd3

This method of once-diagnostics doesn't allow nesting

f7361a8

UI tests extract the regular output from the 'rendered' field in json

36066d8

oli-obk force-pushed the json_ui branch from 6b7e5be to 8c1f9ef Compare November 24, 2017 08:01

Merge cfail and ui tests into ui tests

8937d6a

oli-obk force-pushed the json_ui branch from 8c1f9ef to 8937d6a Compare November 24, 2017 10:32

bors merged commit 8937d6a into rust-lang:master Nov 24, 2017

This was referenced Nov 24, 2017

MIR: Fix value moved diagnose messages #46231

Merged

Add nested groups in imports #45846

Merged

Be more obvious when suggesting dereference #45947

Merged

Display \t in diagnostics code as four spaces #45953

Merged

oli-obk deleted the json_ui branch November 24, 2017 18:11

petrochenkov mentioned this pull request Feb 27, 2018

Remove unneeded error check in ui tests #48562

Closed

Check //~ERROR comments in ui tests #46116

Check //~ERROR comments in ui tests #46116

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