Use real CancellationTokenSource in tests

This will change tests that are using a mocked `CancellationTokenSource`
to use a real `CancellationTokenSource` instead. Tests are run inside
VSCode, so we can use these without mocking.

Author: koesie10

extensions/ql-vscode/src/vscode-tests/cli-integration/remote-queries/run-remote-query.test.ts

@@ -56,14 +56,7 @@ describe('Remote queries', function() {
     }
     credentials = {} as unknown as Credentials;
 
-    cancellationTokenSource = {
-      token: {
-        isCancellationRequested: false,
-        onCancellationRequested: sandbox.stub()
-      },
-      cancel: sandbox.stub(),
-      dispose: sandbox.stub()
-    };
+    cancellationTokenSource = new CancellationTokenSource();
 
     progress = sandbox.spy();
     // Should not have asked for a language
@@ -282,7 +275,7 @@ describe('Remote queries', function() {
 
       const promise = runRemoteQuery(cli, credentials, fileUri, true, progress, cancellationTokenSource.token);
 
-      cancellationTokenSource.token.isCancellationRequested = true;
+      cancellationTokenSource.cancel();
 
       try {
         await promise;
@@ -347,7 +340,7 @@ describe('Remote queries', function() {
 
       const promise = runRemoteQuery(cli, credentials, fileUri, true, progress, cancellationTokenSource.token);
 
-      cancellationTokenSource.token.isCancellationRequested = true;
+      cancellationTokenSource.cancel();
 
       try {
         await promise;

extensions/ql-vscode/src/vscode-tests/cli-integration/remote-queries/variant-analysis-manager.test.ts

@@ -36,14 +36,7 @@ describe('Variant Analysis Manager', async function() {
     sandbox.stub(fs, 'mkdirSync');
     sandbox.stub(fs, 'writeFile');
 
-    cancellationTokenSource = {
-      token: {
-        isCancellationRequested: false,
-        onCancellationRequested: sandbox.stub()
-      },
-      cancel: sandbox.stub(),
-      dispose: sandbox.stub()
-    };
+    cancellationTokenSource = new CancellationTokenSource();
 
     scannedRepos = createMockScannedRepos();
     variantAnalysis = createMockApiResponse('in_progress', scannedRepos);
@@ -120,7 +113,7 @@ describe('Variant Analysis Manager', async function() {
       });
 
       it('should return early if variant analysis is cancelled', async () => {
-        cancellationTokenSource.token.isCancellationRequested = true;
+        cancellationTokenSource.cancel();
 
         await variantAnalysisManager.autoDownloadVariantAnalysisResult(
           scannedRepos[0],

extensions/ql-vscode/src/vscode-tests/cli-integration/remote-queries/variant-analysis-monitor.test.ts

@@ -31,14 +31,7 @@ describe('Variant Analysis Monitor', async function() {
     sandbox.stub(logger, 'log');
     sandbox.stub(config, 'isVariantAnalysisLiveResultsEnabled').returns(false);
 
-    cancellationTokenSource = {
-      token: {
-        isCancellationRequested: false,
-        onCancellationRequested: sandbox.stub()
-      },
-      cancel: sandbox.stub(),
-      dispose: sandbox.stub()
-    };
+    cancellationTokenSource = new CancellationTokenSource();
 
     variantAnalysis = createMockVariantAnalysis();
 
@@ -79,7 +72,7 @@ describe('Variant Analysis Monitor', async function() {
     });
 
     it('should return early if variant analysis is cancelled', async () => {
-      cancellationTokenSource.token.isCancellationRequested = true;
+      cancellationTokenSource.cancel();
 
       const result = await variantAnalysisMonitor.monitorVariantAnalysis(variantAnalysis, cancellationTokenSource.token);