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go/packages: make TestOverlayDeps deterministic

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It had a 50/50 chance of checking the test package for the import
instead of the non-test package. Find the right package before
checking it now.

Fixes golang/go#36908

Change-Id: I3a044d83f55093961cf5221b315a54028fdd540d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/217084
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This commit is contained in:
Michael Matloob 2020-01-30 16:08:23 -05:00
parent 449c356b79
commit 9090804516
1 changed files with 14 additions and 5 deletions
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19
go/packages/packages_test.go
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@ -983,10 +983,19 @@ func testOverlayDeps(t *testing.T, exporter packagestest.Exporter) {
packages.NeedImports | packages.NeedImports |
packages.NeedDeps | packages.NeedDeps |
packages.NeedTypesSizes packages.NeedTypesSizes
initial, err := packages.Load(exported.Config, fmt.Sprintf("file=%s", exported.File("golang.org/fake", "c/c.go"))) pkgs, err := packages.Load(exported.Config, fmt.Sprintf("file=%s", exported.File("golang.org/fake", "c/c.go")))
if err != nil { if err != nil {
t.Error(err) t.Error(err)
} }
// Find package golang.org/fake/c
sort.Slice(pkgs, func(i, j int) bool { return pkgs[i].ID < pkgs[j].ID })
pkgc := pkgs[0]
if pkgc.ID != "golang.org/fake/c" {
t.Errorf("expected first package in sorted list to be \"golang.org/fake/c\", got %v", pkgc.ID)
}
// Make sure golang.org/fake/c imports net/http, as per the overlay.
contains := func(imports map[string]*packages.Package, wantImport string) bool { contains := func(imports map[string]*packages.Package, wantImport string) bool {
for imp := range imports { for imp := range imports {
if imp == wantImport { if imp == wantImport {
@ -995,11 +1004,11 @@ func testOverlayDeps(t *testing.T, exporter packagestest.Exporter) {
} }
return false return false
} }
for _, pkg := range initial { if !contains(pkgc.Imports, "net/http") {
if !contains(pkg.Imports, "net/http") { t.Errorf("expected import of %s in package %s, got the following imports: %v",
t.Errorf("expected %s import in %s", "net/http", pkg.ID) "net/http", pkgc.ID, pkgc.Imports)
}
} }
} }
func TestNewPackagesInOverlay(t *testing.T) { packagestest.TestAll(t, testNewPackagesInOverlay) } func TestNewPackagesInOverlay(t *testing.T) { packagestest.TestAll(t, testNewPackagesInOverlay) }