Adding a few tests for Add SQL binding (#17079)

* initial changes

* add a couple more tests

extensions/sql-database-projects/src/test/testContext.ts

@@ -8,10 +8,12 @@ import * as azdata from 'azdata';
 import * as path from 'path';
 import * as TypeMoq from 'typemoq';
 import * as mssql from '../../../mssql/src/mssql';
+import * as vscodeMssql from 'vscode-mssql';
 
 export interface TestContext {
 	context: vscode.ExtensionContext;
 	dacFxService: TypeMoq.IMock<mssql.IDacFxService>;
+	azureFunctionService: TypeMoq.IMock<vscodeMssql.IAzureFunctionsService>;
 	outputChannel: vscode.OutputChannel;
 }
 
@@ -119,6 +121,22 @@ export class MockDacFxService implements mssql.IDacFxService {
 	public validateStreamingJob(_: string, __: string): Thenable<mssql.ValidateStreamingJobResult> { return Promise.resolve(mockDacFxResult); }
 }
 
+export const mockResultStatus = {
+	success: true,
+	errorMessage: ''
+};
+
+export const mockGetAzureFunctionsResult = {
+	success: true,
+	errorMessage: '',
+	azureFunctions: []
+};
+
+export class MockAzureFunctionService implements vscodeMssql.IAzureFunctionsService {
+	addSqlBinding(_: vscodeMssql.BindingType, __: string, ___: string, ____: string, _____: string): Thenable<vscodeMssql.ResultStatus> { return Promise.resolve(mockResultStatus); }
+	getAzureFunctions(_: string): Thenable<vscodeMssql.GetAzureFunctionsResult> { return Promise.resolve(mockGetAzureFunctionsResult); }
+}
+
 export function createContext(): TestContext {
 	let extensionPath = path.join(__dirname, '..', '..');
 
@@ -149,6 +167,7 @@ export function createContext(): TestContext {
 			extension: undefined as any
 		},
 		dacFxService: TypeMoq.Mock.ofType(MockDacFxService),
+		azureFunctionService: TypeMoq.Mock.ofType(MockAzureFunctionService),
 		outputChannel: {
 			name: '',
 			append: () => { },