snapshot test

e2e/__tests__/__snapshots__/declarationErrors.test.ts.snap

@@ -0,0 +1,41 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`warns if describe returns a Promise 1`] = `
+"  console.warn
+      ● Test suite failed to run
+    
+        Returning a Promise from \\"describe\\" is not supported. Tests must be defined synchronously.
+        Returning a value from \\"describe\\" will fail the test in a future version of Jest.
+    
+           9 | 'use strict';
+          10 | 
+        > 11 | describe('Promise describe warns', () => {
+             | ^
+          12 |   it('t', () => {});
+          13 |   return Promise.resolve();
+          14 | });
+    
+          at Object.describe (__tests__/describeReturnPromise.test.js:11:1)
+    
+"
+`;
+
+exports[`warns if describe returns something 1`] = `
+"  console.warn
+      ● Test suite failed to run
+    
+        A \\"describe\\" callback must not return a value.
+        Returning a value from \\"describe\\" will fail the test in a future version of Jest.
+    
+           9 | 'use strict';
+          10 | 
+        > 11 | describe('describe return warns', () => {
+             | ^
+          12 |   it('t', () => {});
+          13 |   return 42;
+          14 | });
+    
+          at Object.describe (__tests__/describeReturnSomething.test.js:11:1)
+    
+"
+`;

e2e/__tests__/declarationErrors.test.ts

@@ -7,16 +7,18 @@
 
 import runJest from '../runJest';
 
+const normalizeCircusJasmine = (str: string) =>
+  str
+    .replace(/console\.warn .+:\d+/, 'console.warn')
+    .replace(/.+addSpecsToSuite (.+:\d+:\d+).+\n/, '');
+
 it('warns if describe returns a Promise', () => {
   const result = runJest('declaration-errors', [
     'describeReturnPromise.test.js',
   ]);
 
   expect(result.status).toBe(0);
-  expect(result.stdout).toContain('Tests must be defined synchronously');
-  expect(result.stdout).toContain(
-    'at Object.describe (__tests__/describeReturnPromise.test.js',
-  );
+  expect(normalizeCircusJasmine(result.stdout)).toMatchSnapshot();
 });
 
 it('warns if describe returns something', () => {
@@ -25,10 +27,5 @@ it('warns if describe returns something', () => {
   ]);
 
   expect(result.status).toBe(0);
-  expect(result.stdout).toContain(
-    '"describe" callback must not return a value',
-  );
-  expect(result.stdout).toContain(
-    'at Object.describe (__tests__/describeReturnSomething.test.js',
-  );
+  expect(normalizeCircusJasmine(result.stdout)).toMatchSnapshot();
 });