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cmd/api: report error in test instead of crashing

Browse source 
https://ci.chromium.org/ui/inv/build-8725798219051312433/test-results?sortby=&groupby=
shows a mysterious failure with this stack:

	=== RUN   BenchmarkAll
	BenchmarkAll
	panic: runtime error: invalid memory address or nil pointer dereference
	[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x7c497f]

	goroutine 20 gp=0xc000004000 m=7 mp=0xc000182808 [running]:
	panic({0x81c5e0?, 0xabc6b0?})
		/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:806 +0x168 fp=0xc00c7ffce0 sp=0xc00c7ffc30 pc=0x4ad4c8
	runtime.panicmem(...)
		/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:262
	runtime.sigpanic()
		/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:925 +0x359 fp=0xc00c7ffd40 sp=0xc00c7ffce0 pc=0x4af6d9
	cmd/api.(*Walker).export(0xc000034100, 0x0)
		/home/swarming/.swarming/w/ir/x/w/goroot/src/cmd/api/main_test.go:193 +0x3f fp=0xc00c7ffe08 sp=0xc00c7ffd40 pc=0x7c497f
	cmd/api.BenchmarkAll(0xc000214288)
		/home/swarming/.swarming/w/ir/x/w/goroot/src/cmd/api/api_test.go:205 +0x207 fp=0xc00c7ffeb0 sp=0xc00c7ffe08 pc=0x7c1c07
	testing.(*B).runN(0xc000214288, 0x1)
		/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/benchmark.go:202 +0x291 fp=0xc00c7fff78 sp=0xc00c7ffeb0 pc=0x57e611
	testing.(*B).run1.func1()
		/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/benchmark.go:224 +0x7c fp=0xc00c7fffe0 sp=0xc00c7fff78 pc=0x57f11c
	runtime.goexit({})
		/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00c7fffe8 sp=0xc00c7fffe0 pc=0x4b4a61
	created by testing.(*B).run1 in goroutine 1
		/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/benchmark.go:217 +0x173

So import_ must have returned an error, making pkg nil. Show that error.
Also do the same at the other calls to import_.

Change-Id: Ie782571c4bda3334a86b303f61969cf1cc7d3c32
Reviewed-on: https://go-review.googlesource.com/c/go/+/642438
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
This commit is contained in:
Russ Cox 2025-01-14 08:22:08 -05:00 • committed by Gopher Robot
parent c5e205e928
commit 4fa61d6f9c
1 changed files with 8 additions and 3 deletions
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11
src/cmd/api/api_test.go
View file

@ -57,7 +57,10 @@ func TestGolden(t *testing.T) {
// TODO(gri) remove extra pkg directory eventually
goldenFile := filepath.Join("testdata", "src", "pkg", fi.Name(), "golden.txt")
w := NewWalker(nil, "testdata/src/pkg")
pkg, _ := w.import_(fi.Name())
pkg, err := w.import_(fi.Name())
if err != nil {
t.Fatalf("import %s: %v", fi.Name(), err)
}
w.export(pkg)
if *updateGolden {
@ -205,6 +208,9 @@ func BenchmarkAll(b *testing.B) {
if _, nogo := err.(*build.NoGoError); nogo {
continue
}
if err != nil {
b.Fatalf("import %s (%s-%s): %v", name, context.GOOS, context.GOARCH, err)
}
w.export(pkg)
}
w.Features()
@ -242,8 +248,7 @@ func TestIssue21181(t *testing.T) {
w := NewWalker(context, "testdata/src/issue21181")
pkg, err := w.import_("p")
if err != nil {
t.Fatalf("%s: (%s-%s) %s %v", err, context.GOOS, context.GOARCH,
pkg.Name(), w.imported)
t.Fatalf("import %s (%s-%s): %v", "p", context.GOOS, context.GOARCH, err)
}
w.export(pkg)
}