vendor tsgo

tools/tsgo/internal/fourslash/tests/manual/duplicatePackageServices_fileChanges_test.go

@@ -0,0 +1,68 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestDuplicatePackageServices_fileChanges(t *testing.T) {
+	t.Parallel()
+
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `// @noImplicitReferences: true
+// @Filename: /node_modules/a/index.d.ts
+import X from "x";
+export function a(x: X): void;
+// @Filename: /node_modules/a/node_modules/x/index.d.ts
+export default class /*defAX*/X {
+    private x: number;
+}
+// @Filename: /node_modules/a/node_modules/x/package.json
+{ "name": "x", "version": "1.2./*aVersionPatch*/3" }
+// @Filename: /node_modules/b/index.d.ts
+import X from "x";
+export const b: X;
+// @Filename: /node_modules/b/node_modules/x/index.d.ts
+export default class /*defBX*/X {
+    private x: number;
+}
+// @Filename: /node_modules/b/node_modules/x/package.json
+{ "name": "x", "version": "1.2./*bVersionPatch*/3" }
+// @Filename: /src/a.ts
+import { a } from "a";
+import { b } from "b";
+a(/*error*/b);`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+
+	f.GoToFile(t, "/src/a.ts")
+	f.VerifyNumberOfErrorsInCurrentFile(t, 0)
+
+	testChangeAndChangeBack := func(versionPatch string, def string) {
+		// Insert "4" after the version patch marker, changing version from 1.2.3 to 1.2.43
+		f.GoToMarker(t, versionPatch)
+		f.Insert(t, "4")
+
+		// Insert a space after the definition marker to trigger a recheck
+		f.GoToMarker(t, def)
+		f.Insert(t, " ")
+
+		// No longer have identical packageId, so we get errors.
+		f.VerifyErrorExistsAfterMarker(t, "error")
+
+		// Undo the changes
+		f.GoToMarker(t, versionPatch)
+		f.DeleteAtCaret(t, 1)
+		f.GoToMarker(t, def)
+		f.DeleteAtCaret(t, 1)
+
+		// Back to being identical.
+		f.GoToFile(t, "/src/a.ts")
+		f.VerifyNumberOfErrorsInCurrentFile(t, 0)
+	}
+
+	testChangeAndChangeBack("aVersionPatch", "defAX")
+	testChangeAndChangeBack("bVersionPatch", "defBX")
+}