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path: root/src/testing/helper_test.go
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2026-03-11testing: recognize helper functions that use range-over-functionIan Lance Taylor
This assumes the current behavior of the gc compiler: range functions use a suffix of -rangeNNNN. Fixes #72794 Change-Id: I3c10c60829853cf2cb4c17a75f6243def0313ae9 Reviewed-on: https://go-review.googlesource.com/c/go/+/656775 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: David Chase <drchase@google.com> Auto-Submit: David Chase <drchase@google.com>
2024-09-03testing: use testenv.ExecutableKir Kolyshkin
Note that this changes some nuances of how the tests work: - some tests had a fallback to using os.Args[0], which is removed; - some tests skipped (rather than failed) the test upon getting an error from os.Executable. I think these changes are not practically relevant. Change-Id: I0655add6d959a8b7e3359f94c38203aa06e8f490 Reviewed-on: https://go-review.googlesource.com/c/go/+/609303 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Damien Neil <dneil@google.com> Reviewed-by: Alan Donovan <adonovan@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com>
2023-11-21testing: use subprocesses in TestTBHelper and TestTBHelperParallelBryan C. Mills
These tests are checking the output of test functions that call the Helper methods. However, they were reaching into package internals instead of running those test functions as actual tests. That not only produced significant differences in formatting (such as indentation for subtests), but also caused test flags such as "-failfast" passed for the overall test run to interfere with the output formatting. Now, we run the test functions as real tests in a subprocess, so that we get the real output and formatting of those tests. This makes the tests not only more realistic, but also less sensitive to otherwise-irrelevant implementation details (such as the names and signatures of unexported types and functions in the testing package). Fixes #61016. Change-Id: I646fbbd7cfeb00382054677f726c05fc9d35d0dc Reviewed-on: https://go-review.googlesource.com/c/go/+/506955 Auto-Submit: Bryan Mills <bcmills@google.com> Reviewed-by: Alan Donovan <adonovan@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2022-09-16cmd/go, testing: add go test -skip flagRuss Cox
For proposal #41583, add a new 'go test -skip' flag to make it easy to disable specific tests, benchmarks, examples, or fuzz targets. Fixes #41583. Change-Id: Id12a6575f505dafdce4a149aedc454a002e93afa Reviewed-on: https://go-review.googlesource.com/c/go/+/421439 TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Bryan Mills <bcmills@google.com>
2022-09-07testing: use strings.Buildercuiweixie
Change-Id: Ied8a3019f1e21c0e74c798d2b1b279a606a38554 Reviewed-on: https://go-review.googlesource.com/c/go/+/428279 Reviewed-by: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Bryan Mills <bcmills@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
2022-05-26cmd/compile: mark closures made for generic function expressions as wrappersKeith Randall
Fixes #52237 Change-Id: I7488020c8d157e069202017a293d18230e3aef0d Reviewed-on: https://go-review.googlesource.com/c/go/+/408876 Reviewed-by: Cherry Mui <cherryyz@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com>
2021-09-16testing: skip panics when picking the line number for decorationCaleb Spare
Fixes #31154 Change-Id: I4cfd98b5e79f1abdc93044fb66855ac2cc0a9a49 Reviewed-on: https://go-review.googlesource.com/c/go/+/345909 Run-TryBot: Caleb Spare <cespare@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Trust: Carlos Amedee <carlos@golang.org>
2021-03-19testing: update helperNames just before checking itTao Qingyun
parent's helperNames has not been set when frameSkip called, moving helperNames initilazing to frameSkip. Fixes #44887 Change-Id: I5107c5951033e5e47d1ac441eac3ba5344a7bdc0 GitHub-Last-Rev: 44b90b2e2eeca8e2bb4a2084ec6fdd279c88f76d GitHub-Pull-Request: golang/go#45071 Reviewed-on: https://go-review.googlesource.com/c/go/+/302469 Trust: Cherry Zhang <cherryyz@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Go Bot <gobot@golang.org>
2020-09-28testing: add benchmark for TB.HelperEmmanuel T Odeke
Adds a benchmark for TB.Helper, to use as a judge of future improvements like CL 231717. Change-Id: I17c40d482fc12caa3eb2c1cda39fd8c42356b422 Reviewed-on: https://go-review.googlesource.com/c/go/+/257317 Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com> Trust: Tobias Klauser <tobias.klauser@gmail.com> Trust: Emmanuel Odeke <emm.odeke@gmail.com>
2020-05-05testing: fix reported caller name for funcs passed to CleanupMichał Łowicki
Record the caller when Cleanup is called to report it with t.Log instead of unhelpful line in testing.go. Fixes #38800 Change-Id: I3136f5d92a0e5a48f8b32a2e13b2521bc91d72d1 Reviewed-on: https://go-review.googlesource.com/c/go/+/232237 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-05-14testing: allow marking subtest and subbenchmark functions as HelpersDiogo Pinela
Since subtests and subbenchmarks run in a separate goroutine, and thus a separate stack, this entails capturing the stack trace at the point tb.Run is called. The work of getting the file and line information from this stack is only done when needed, however. Continuing the search into the parent test also requires temporarily holding its mutex. Since Run does not hold it while waiting for the subtest to complete, there should be no risk of a deadlock due to this. Fixes #24128 Change-Id: If0bb169f3ac96bd48794624e619ade7edb599f83 Reviewed-on: https://go-review.googlesource.com/108658 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
2017-04-14testing: add TB.Helper to better support test helpersCaleb Spare
This CL implements the proposal at https://github.com/golang/proposal/blob/master/design/4899-testing-helper.md. It's based on Josh's CL 79890043 from a few years ago: https://codereview.appspot.com/79890043 but makes several changes, most notably by using the new CallersFrames API so that it works with mid-stack inlining. Another detail came up while I was working on this: I didn't want the user to be able to call t.Helper from inside their TestXxx function directly (which would mean we'd print a file:line from inside the testing package itself), so I explicitly prevented this from working. Fixes #4899. Change-Id: I37493edcfb63307f950442bbaf993d1589515310 Reviewed-on: https://go-review.googlesource.com/38796 Run-TryBot: Caleb Spare <cespare@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>