Show quickpicks if there are multiple runtime matches for `targetFramework` (#4165)

* Reverse list

* change to quickpicks

* add test

* remove

* Add another test

* remove

* update comment

* update again

* see if tests work

* delete

* add

src/commands/createNewProject/dotnetSteps/DotnetRuntimeStep.ts

@@ -16,9 +16,17 @@ export class DotnetRuntimeStep extends AzureWizardPromptStep<IProjectWizardConte
     public static async createStep(context: IProjectWizardContext): Promise<DotnetRuntimeStep> {
         if (context.targetFramework) {
             context.targetFramework = typeof context.targetFramework === 'string' ? [context.targetFramework] : context.targetFramework;
-            const runtimes = await getRuntimes(context);
+            const runtimes = (await getRuntimes(context));
             // if a targetFramework was provided from createNewProject
-            const workerRuntime = runtimes.find(runtime => context.targetFramework?.includes(runtime.targetFramework));
+            const filteredRuntimes = runtimes.filter(runtime => context.targetFramework?.includes(runtime.targetFramework));
+            let workerRuntime: cliFeedUtils.IWorkerRuntime | undefined = undefined;
+            if (filteredRuntimes.length > 1) {
+                const placeHolder: string = localize('selectWorkerRuntime', 'Select a .NET runtime');
+                workerRuntime = (await context.ui.showQuickPick(new DotnetRuntimeStep().getPicks(context, filteredRuntimes), { placeHolder })).data;
+            } else if (filteredRuntimes.length === 1) {
+                workerRuntime = filteredRuntimes[0];
+            }
+
             if (!workerRuntime) {
                 throw new Error(localize('unknownFramework', 'Unrecognized target frameworks: "{0}". Available frameworks: {1}.',
                     context.targetFramework.map(tf => `"${tf}"`).join(', '),
@@ -49,8 +57,11 @@ export class DotnetRuntimeStep extends AzureWizardPromptStep<IProjectWizardConte
         return !context.workerRuntime;
     }
 
-    private async getPicks(context: IProjectWizardContext): Promise<IAzureQuickPickItem<cliFeedUtils.IWorkerRuntime | undefined>[]> {
+    private async getPicks(context: IProjectWizardContext, runtimes?: cliFeedUtils.IWorkerRuntime[]): Promise<IAzureQuickPickItem<cliFeedUtils.IWorkerRuntime | undefined>[]> {
-        const runtimes = await getRuntimes(context);
+        if (!runtimes) {
+            runtimes = await getRuntimes(context);
+        }
+
         const picks: IAzureQuickPickItem<cliFeedUtils.IWorkerRuntime | undefined>[] = [];
         for (const runtime of runtimes) {
             picks.push({

test/api.test.ts

@@ -7,11 +7,11 @@ import { runWithInputs } from '@microsoft/vscode-azext-dev';
 import { type apiUtils } from "@microsoft/vscode-azext-utils";
 import * as path from 'path';
 import { extensions, type Extension } from "vscode";
-import { ProjectLanguage, extensionId, nonNullValue, registerOnActionStartHandler } from '../extension.bundle';
+import { FuncVersion, ProjectLanguage, extensionId, nonNullValue, registerOnActionStartHandler } from '../extension.bundle';
 // eslint-disable-next-line no-restricted-imports
 import { type AzureFunctionsExtensionApi } from '../src/vscode-azurefunctions.api';
 import { getTestWorkspaceFolder, testFolderPath } from './global.test';
-import { getJavaScriptValidateOptions, validateProject, type IValidateProjectOptions } from './project/validateProject';
+import { getCSharpValidateOptions, getJavaScriptValidateOptions, validateProject, type IValidateProjectOptions } from './project/validateProject';
 
 suite(`AzureFunctionsExtensionApi`, () => {
     let api: AzureFunctionsExtensionApi;
@@ -73,4 +73,49 @@ suite(`AzureFunctionsExtensionApi`, () => {
         );
         await validateProject(folderPath, validateOptions);
     });
+
+    test('createFunction dotnet with targetFramework', async () => {
+        const functionName: string = 'endpoint1';
+        const language: string = ProjectLanguage.CSharp;
+        const workspaceFolder = getTestWorkspaceFolder();
+        const projectSubpath = 'api';
+        const folderPath: string = path.join(workspaceFolder, projectSubpath);
+
+        await runWithInputs('api.createFunction', [language, /6/i, 'Company.Function', 'Anonymous'], registerOnActionStartHandler, async () => {
+            await api.createFunction({
+                folderPath,
+                functionName,
+                templateId: 'HttpTrigger',
+                languageFilter: /^C\#$/i,
+                functionSettings: { authLevel: 'anonymous' },
+                targetFramework: ['net8.0', 'net7.0', 'net6.0']
+            });
+        });
+
+        const validateOptions: IValidateProjectOptions = getCSharpValidateOptions('net6.0', FuncVersion.v4, 1, projectSubpath, workspaceFolder);
+        // Exclude .git because the test workspace folders are already inside a git repo so we don't do git init.
+        validateOptions.excludedPaths?.push('.git');
+        await validateProject(folderPath, validateOptions);
+    });
+
+    // Intentionally pass a version (8) that hasn't been specified in targetFramework (6 & 7) to verify it isn't a possible pick. In the correct case (when 8 isn't a pick) we throw an error. api.createFunction swallows the error and returns undefined.
+    // In the incorrect case (when 8 is a pick) the test fails since the 2 provided test inputs have already been used, but there are more prompts.
+    test('createFunction with language not in targetFramework', async () => {
+        const functionName: string = 'endpoint1';
+        const language: string = ProjectLanguage.CSharp;
+        const workspaceFolder = getTestWorkspaceFolder();
+        const projectSubpath = 'api';
+        const folderPath: string = path.join(workspaceFolder, projectSubpath);
+
+        await runWithInputs('api.createFunction', [language, /8/i], registerOnActionStartHandler, async () => {
+            await api.createFunction({
+                folderPath,
+                functionName,
+                templateId: 'HttpTrigger',
+                languageFilter: /^C\#$/i,
+                functionSettings: { authLevel: 'anonymous' },
+                targetFramework: ['net7.0', 'net6.0']
+            })
+        });
+    });
 });

test/project/validateProject.ts

@@ -81,7 +81,7 @@ export function getTypeScriptValidateOptions(options?: { version?: FuncVersion,
     return result;
 }
 
-export function getCSharpValidateOptions(targetFramework: string, version: FuncVersion = defaultTestFuncVersion, numCsproj: number = 1): IValidateProjectOptions {
+export function getCSharpValidateOptions(targetFramework: string, version: FuncVersion = defaultTestFuncVersion, numCsproj: number = 1, projectSubpath?: string, workspaceFolder?: string): IValidateProjectOptions {
     return {
         language: ProjectLanguage.CSharp,
         version,
@@ -89,17 +89,17 @@ export function getCSharpValidateOptions(targetFramework: string, version: FuncV
             'azureFunctions.projectLanguage': ProjectLanguage.CSharp,
             'azureFunctions.projectRuntime': version,
             'azureFunctions.preDeployTask': 'publish (functions)',
-            'azureFunctions.deploySubpath': `bin/Release/${targetFramework}/publish`,
+            'azureFunctions.deploySubpath': path.join(projectSubpath ?? '', `bin/Release/${targetFramework}/publish`),
             'debug.internalConsoleOptions': 'neverOpen',
         },
         expectedPaths: [
-            { globPattern: '*.csproj', numMatches: numCsproj }
+            { globPattern: path.join(projectSubpath ?? '', '*.csproj'), numMatches: numCsproj }
         ],
         expectedExtensionRecs: [
             'ms-dotnettools.csharp'
         ],
         excludedPaths: [
-            '.funcignore'
+            path.join(projectSubpath ?? '', '.funcignore')
         ],
         expectedDebugConfigs: [
             'Attach to .NET Functions'
@@ -110,7 +110,8 @@ export function getCSharpValidateOptions(targetFramework: string, version: FuncV
             'clean release (functions)',
             'publish (functions)',
             'host start'
-        ]
+        ],
+        workspaceFolder
     };
 }