package regtest import ( "testing" "golang.org/x/tools/internal/lsp" "golang.org/x/tools/internal/testenv" ) const basicProxy = ` -- golang.org/x/hello@v1.2.3/go.mod -- module golang.org/x/hello go 1.14 -- golang.org/x/hello@v1.2.3/hi/hi.go -- package hi var Goodbye error ` func TestInconsistentVendoring(t *testing.T) { testenv.NeedsGo1Point(t, 14) const pkgThatUsesVendoring = ` -- go.mod -- module mod.com go 1.14 require golang.org/x/hello v1.2.3 -- vendor/modules.txt -- -- a/a1.go -- package a import "golang.org/x/hello/hi" func _() { _ = hi.Goodbye var q int // hardcode a diagnostic } ` runner.Run(t, pkgThatUsesVendoring, func(t *testing.T, env *Env) { env.OpenFile("a/a1.go") env.Await( // The editor should pop up a message suggesting that the user // run `go mod vendor`, along with a button to do so. // By default, the fake editor always accepts such suggestions, // so once we see the request, we can assume that `go mod vendor` // will be executed. OnceMet( CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidOpen), 1), ShowMessageRequest("go mod vendor"), ), ) env.CheckForFileChanges() env.Await( OnceMet( CompletedWork(lsp.DiagnosticWorkTitle(lsp.FromDidChangeWatchedFiles), 1), DiagnosticAt("a/a1.go", 6, 5), ), ) }, WithProxyFiles(basicProxy)) }