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internal/gcimporter: in TestStdlib, only check x/tools packages if we expect to have their source

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The go_android_exec and go_ios_exec wrappers (found in
GOROOT/misc/android and GOROOT/misc/ios, respectively) only copy over
the source code for the package under test, its parent directories,
and the 'testdata' subdirectories of those parents.

That does not necessarily include the transitive closure of
packages imported by those packages.

This may fix the failing tests on the android-amd64-emu builder on
release-branch.go1.19. (I do not understand why the test is not
already being skipped due to the call to testenv.NeedsGoPackages, but
I do not intend to investigate further.)

Change-Id: I6bd32fd7e7e9f56e85b2e03baae59da5d9ba0ed9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/451995
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
This commit is contained in:
Bryan C. Mills 2022-11-18 11:32:17 -05:00 committed by Bryan Mills
parent 2ad3c3337f
commit 3b9d20c521
1 changed files with 12 additions and 2 deletions
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14
internal/gcimporter/stdlib_test.go
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@ -9,6 +9,7 @@ import (
"fmt"
"go/token"
"go/types"
"runtime"
"testing"
"unsafe"
@ -30,9 +31,18 @@ func TestStdlib(t *testing.T) {
t.Skip("skipping test on 32-bit machine")
}
// Load, parse and type-check the standard library and x/tools.
// Load, parse and type-check the standard library.
// If we have the full source code for x/tools, also load and type-check that.
cfg := &packages.Config{Mode: packages.LoadAllSyntax}
pkgs, err := packages.Load(cfg, "std", "golang.org/x/tools/...")
patterns := []string{"std"}
switch runtime.GOOS {
case "android", "ios":
// The go_.*_exec script for mobile builders only copies over the source tree
// for the package under test.
default:
patterns = append(patterns, "golang.org/x/tools/...")
}
pkgs, err := packages.Load(cfg, patterns...)
if err != nil {
t.Fatalf("failed to load/parse/type-check: %v", err)
}