feat(cli): This change allows to install pre-release version of the e…

…xtensions to the test instance when available in the marketplace

docs/Test-Setup.md

@@ -82,6 +82,7 @@ Options:
   -s, --storage <storage>                      # Use this folder for all test resources
   -e, --extensions_dir <extensions_directory>  # VS Code will use this directory for managing extensions
   -t, --type <type>                            # Type of VS Code release (stable/insider)
+  -p, --pre_release                            # Installs the pre-release version of the extension
   -h, --help                                   # display help for command
 ```
 

packages/extester/src/cli.ts

@@ -78,10 +78,11 @@ program
 	.option('-s, --storage <storage>', 'Use this folder for all test resources')
 	.option('-e, --extensions_dir <extensions_directory>', 'VS Code will use this directory for managing extensions')
 	.option('-t, --type <type>', 'Type of VS Code release (stable/insider)')
+	.option('-p, --pre_release', 'Installs the pre-release version of the extension')
 	.action(
 		withErrors(async (id, ids, cmd) => {
 			const extest = new ExTester(cmd.storage, codeStream(cmd.type), cmd.extensions_dir);
-			await extest.installFromMarketplace(id);
+			await extest.installFromMarketplace(id,  cmd.pre_release);
 			if (ids && ids.length > 0) {
 				for (const idx of ids) {
 					await extest.installFromMarketplace(idx);

packages/extester/src/extester.ts

@@ -127,8 +127,8 @@ export class ExTester {
 	 * Install an extension from VS Code marketplace into the test instance
 	 * @param id id of the extension to install
 	 */
-	async installFromMarketplace(id: string): Promise<void> {
-		return this.code.installExtension(undefined, id);
+	async installFromMarketplace(id: string, preRelease = false): Promise<void> {
+		return this.code.installExtension(undefined, id, preRelease);
 	}
 
 	/**

packages/extester/src/util/codeUtil.ts

@@ -154,10 +154,10 @@ export class CodeUtil {
 	/**
 	 * Install your extension into the test instance of VS Code
 	 */
-	installExtension(vsix?: string, id?: string): void {
+	installExtension(vsix?: string, id?: string, preRelease = false): void {
 		const pjson = require(path.resolve('package.json'));
 		if (id) {
-			return this.installExt(id);
+			return this.installExt(id, preRelease);
 		}
 		const vsixPath = path.resolve(vsix ? vsix : `${pjson.name}-${pjson.version}.vsix`);
 		this.installExt(vsixPath);
@@ -186,8 +186,11 @@ export class CodeUtil {
 		}
 	}
 
-	private installExt(pathOrID: string): void {
+	private installExt(pathOrID: string, preRelease = false): void {
 		let command = `${this.getCliInitCommand()} --force --install-extension "${pathOrID}"`;
+		if(preRelease){
+			command += " --pre-release";
+		}
 		if (this.extensionsFolder) {
 			command += ` --extensions-dir=${this.extensionsFolder}`;
 		}