gopls/internal/regtest: add a test for switching from modules to GOPATH
Fixes golang/go#40487
Change-Id: I79457a8de559da2a9a3ffabdb315f4d35345c8a0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/261738
Trust: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
diff --git a/gopls/internal/regtest/watch_test.go b/gopls/internal/regtest/watch_test.go
index 1462bb3..3b5b69d 100644
--- a/gopls/internal/regtest/watch_test.go
+++ b/gopls/internal/regtest/watch_test.go
@@ -622,6 +622,46 @@
})
}
+// Reproduces golang/go#40487.
+func TestSwitchFromModulesToGOPATH(t *testing.T) {
+ testenv.NeedsGo1Point(t, 13)
+
+ const files = `
+-- foo/go.mod --
+module mod.com
+
+go 1.14
+-- foo/blah/blah.go --
+package blah
+
+const Name = ""
+-- foo/main.go --
+package main
+
+import "mod.com/blah"
+
+func main() {
+ _ = blah.Name
+}
+`
+ withOptions(
+ InGOPATH(),
+ ).run(t, files, func(t *testing.T, env *Env) {
+ env.OpenFile("foo/main.go")
+ env.RemoveWorkspaceFile("foo/go.mod")
+ env.Await(
+ OnceMet(
+ CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidChangeWatchedFiles), 1),
+ env.DiagnosticAtRegexp("foo/main.go", `"mod.com/blah"`),
+ ),
+ )
+ env.RegexpReplace("foo/main.go", `"mod.com/blah"`, `"foo/blah"`)
+ env.Await(
+ EmptyDiagnostics("foo/main.go"),
+ )
+ })
+}
+
func TestNewSymbolInTestVariant(t *testing.T) {
const files = `
-- go.mod --
