extension/tools/release: add test for rc

This test ensures release publish command skips 'npx vsce publish'
when tags include "rc.N" format label.

See diff between testdata/publish-v0.0.0.golden and
testdata/publish-v0.0.0-rc.1.golden.

Change-Id: Ic6fb35ea22d04d4654866bcf4ea859d0f151a5a2
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/563355
TryBot-Result: kokoro <noreply+kokoro@google.com>
Commit-Queue: Hyang-Ah Hana Kim <hyangah@gmail.com>
Reviewed-by: Robert Findley <rfindley@google.com>

Author: hyangah

extension/tools/release/release_test.go

@@ -27,17 +27,19 @@ func TestRelease(t *testing.T) {
 	moduleRoot := string(bytes.TrimSpace(out))
 
 	for _, command := range []string{"package", "publish"} {
-		t.Run(command, func(t *testing.T) {
-			testRelease(t, moduleRoot, command)
-		})
+		for _, tagName := range []string{"v0.0.0", "v0.0.0-rc.1"} {
+			t.Run(command+"-"+tagName, func(t *testing.T) {
+				testRelease(t, moduleRoot, command, tagName)
+			})
+		}
 	}
 }
 
-func testRelease(t *testing.T, moduleRoot, command string) {
+func testRelease(t *testing.T, moduleRoot, command, tagName string) {
 	cmd := exec.Command("go", "run", "-C", moduleRoot, "tools/release/release.go", "-n", command)
 	cmd.Env = append(os.Environ(),
 		// Provide dummy environment variables required to run release.go commands.
-		"TAG_NAME=v0.0.0",    // release tag
+		"TAG_NAME="+tagName,  // release tag
 		"GITHUB_TOKEN=dummy", // github token needed to post release notes
 		"VSCE_PAT=dummy",     // vsce token needed to publish the extension
 		"COMMIT_SHA=4893cd984d190bdf2cd65e11c425b42819ae6f57", // bogus commit SHA used to post release notes
@@ -47,12 +49,12 @@ func testRelease(t *testing.T, moduleRoot, command string) {
 		t.Fatalf("failed to run release package: %v", err)
 	}
 	if *flagUpdate {
-		if err := os.WriteFile(filepath.Join("testdata", command+".golden"), output, 0644); err != nil {
+		if err := os.WriteFile(filepath.Join("testdata", command+"-"+tagName+".golden"), output, 0644); err != nil {
 			t.Fatal("failed to write golden file:", err)
 		}
 		return
 	}
-	golden, err := os.ReadFile(filepath.Join("testdata", command+".golden"))
+	golden, err := os.ReadFile(filepath.Join("testdata", command+"-"+tagName+".golden"))
 	if err != nil {
 		t.Fatal("failed to read golden file:", err)
 	}

extension/tools/release/testdata/package-v0.0.0-rc.1.golden

@@ -0,0 +1,3 @@
+jq -r .version package.json
+cp ../README.md README.md
+npx vsce package -o go-0.0.0-rc.1.vsix --baseContentUrl https://github.com/golang/vscode-go/raw/v0.0.0-rc.1 --baseImagesUrl https://github.com/golang/vscode-go/raw/v0.0.0-rc.1 --no-update-package-json --no-git-tag-version 0.0.0-rc.1

…on/tools/release/testdata/package.golden …s/release/testdata/package-v0.0.0.goldenextension/tools/release/testdata/package.golden renamed to extension/tools/release/testdata/package-v0.0.0.golden extension/tools/release/testdata/package.golden renamed to extension/tools/release/testdata/package-v0.0.0.golden

@@ -0,0 +1,4 @@
+jq -r .version package.json
+stat go-0.0.0-rc.1.vsix
+release create --generate-notes --target 4893cd984d190bdf2cd65e11c425b42819ae6f57 --title Release v0.0.0-rc.1 --draft
+gh release create --generate-notes --target 4893cd984d190bdf2cd65e11c425b42819ae6f57 --title Release v0.0.0-rc.1 --draft --prerelease -R github.com/golang/vscode-go v0.0.0-rc.1 go-0.0.0-rc.1.vsix