Swapping vscode calls for ApiWrapper for testability (#10267)

* swapping vscode calls for apiwrapper for testability

* Adding mainController tests

* Adding unit tests for input validation

* Adding project controller tests, reorganizing error handling

* Removing commented-out code

extensions/sql-database-projects/src/common/apiWrapper.ts

@@ -0,0 +1,149 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+import * as azdata from 'azdata';
+
+/**
+ * Wrapper class to act as a facade over VSCode and Data APIs and allow us to test / mock callbacks into
+ * this API from our code
+ */
+export class ApiWrapper {
+	public createOutputChannel(name: string): vscode.OutputChannel {
+		return vscode.window.createOutputChannel(name);
+	}
+
+	public createTerminalWithOptions(options: vscode.TerminalOptions): vscode.Terminal {
+		return vscode.window.createTerminal(options);
+	}
+
+	public getCurrentConnection(): Thenable<azdata.connection.ConnectionProfile> {
+		return azdata.connection.getCurrentConnection();
+	}
+
+	public getCredentials(connectionId: string): Thenable<{ [name: string]: string }> {
+		return azdata.connection.getCredentials(connectionId);
+	}
+
+	public registerCommand(command: string, callback: (...args: any[]) => any, thisArg?: any): vscode.Disposable {
+		return vscode.commands.registerCommand(command, callback, thisArg);
+	}
+
+	public executeCommand<T>(command: string, ...rest: any[]): Thenable<T | undefined> {
+		return vscode.commands.executeCommand(command, ...rest);
+	}
+
+	public registerTaskHandler(taskId: string, handler: (profile: azdata.IConnectionProfile) => void): void {
+		azdata.tasks.registerTask(taskId, handler);
+	}
+
+	public registerTreeDataProvider<T>(viewId: string, treeDataProvider: vscode.TreeDataProvider<T>): vscode.Disposable {
+		return vscode.window.registerTreeDataProvider(viewId, treeDataProvider);
+	}
+
+	public getUriForConnection(connectionId: string): Thenable<string> {
+		return azdata.connection.getUriForConnection(connectionId);
+	}
+
+	public getProvider<T extends azdata.DataProvider>(providerId: string, providerType: azdata.DataProviderType): T {
+		return azdata.dataprotocol.getProvider<T>(providerId, providerType);
+	}
+
+	public showErrorMessage(message: string, ...items: string[]): Thenable<string | undefined> {
+		return vscode.window.showErrorMessage(message, ...items);
+	}
+
+	public showInformationMessage(message: string, ...items: string[]): Thenable<string | undefined> {
+		return vscode.window.showInformationMessage(message, ...items);
+	}
+
+	public showOpenDialog(options: vscode.OpenDialogOptions): Thenable<vscode.Uri[] | undefined> {
+		return vscode.window.showOpenDialog(options);
+	}
+
+	public startBackgroundOperation(operationInfo: azdata.BackgroundOperationInfo): void {
+		azdata.tasks.startBackgroundOperation(operationInfo);
+	}
+
+	public openExternal(target: vscode.Uri): Thenable<boolean> {
+		return vscode.env.openExternal(target);
+	}
+
+	public getExtension(extensionId: string): vscode.Extension<any> | undefined {
+		return vscode.extensions.getExtension(extensionId);
+	}
+
+	public getConfiguration(section?: string, resource?: vscode.Uri | null): vscode.WorkspaceConfiguration {
+		return vscode.workspace.getConfiguration(section, resource);
+	}
+
+	public workspaceFolders(): readonly vscode.WorkspaceFolder[] | undefined {
+		return vscode.workspace.workspaceFolders;
+	}
+
+	public createTab(title: string): azdata.window.DialogTab {
+		return azdata.window.createTab(title);
+	}
+
+	public createModelViewDialog(title: string, dialogName?: string, isWide?: boolean): azdata.window.Dialog {
+		return azdata.window.createModelViewDialog(title, dialogName, isWide);
+	}
+
+	public createWizard(title: string): azdata.window.Wizard {
+		return azdata.window.createWizard(title);
+	}
+
+	public createWizardPage(title: string): azdata.window.WizardPage {
+		return azdata.window.createWizardPage(title);
+	}
+
+	public openDialog(dialog: azdata.window.Dialog): void {
+		return azdata.window.openDialog(dialog);
+	}
+
+	public getAllAccounts(): Thenable<azdata.Account[]> {
+		return azdata.accounts.getAllAccounts();
+	}
+
+	public getSecurityToken(account: azdata.Account, resource: azdata.AzureResource): Thenable<{ [key: string]: any }> {
+		return azdata.accounts.getSecurityToken(account, resource);
+	}
+
+	public showQuickPick<T extends vscode.QuickPickItem>(items: T[] | Thenable<T[]>, options?: vscode.QuickPickOptions, token?: vscode.CancellationToken): Thenable<T | undefined> {
+		return vscode.window.showQuickPick(items, options, token);
+	}
+
+	public showInputBox(options?: vscode.InputBoxOptions, token?: vscode.CancellationToken): Thenable<string | undefined> {
+		return vscode.window.showInputBox(options, token);
+	}
+
+	public listDatabases(connectionId: string): Thenable<string[]> {
+		return azdata.connection.listDatabases(connectionId);
+	}
+
+	public openTextDocument(options?: { language?: string; content?: string; }): Thenable<vscode.TextDocument> {
+		return vscode.workspace.openTextDocument(options);
+	}
+
+	public connect(fileUri: string, connectionId: string): Thenable<void> {
+		return azdata.queryeditor.connect(fileUri, connectionId);
+	}
+
+	public runQuery(fileUri: string, options?: Map<string, string>, runCurrentQuery?: boolean): void {
+		azdata.queryeditor.runQuery(fileUri, options, runCurrentQuery);
+	}
+
+	public showTextDocument(uri: vscode.Uri, options?: vscode.TextDocumentShowOptions): Thenable<vscode.TextEditor> {
+		return vscode.window.showTextDocument(uri, options);
+	}
+
+	public createButton(label: string, position?: azdata.window.DialogButtonPosition): azdata.window.Button {
+		return azdata.window.createButton(label, position);
+	}
+
+	public registerWidget(widgetId: string, handler: (view: azdata.ModelView) => void): void {
+		azdata.ui.registerModelViewProvider(widgetId, handler);
+	}
+}