Add snapshot tests

jestjs · Nov 15, 2022 · 963becf · 963becf
1 parent def8b86
commit 963becf
Show file tree

Hide file tree

Showing 2 changed files with 59 additions and 4 deletions.
diff --git a/packages/expect/src/__tests__/__snapshots__/toThrowMatchers.test.ts.snap b/packages/expect/src/__tests__/__snapshots__/toThrowMatchers.test.ts.snap
@@ -146,6 +146,24 @@ Received message: <r>"apple"</>
       <d>at jestExpect (</>packages/expect/src/__tests__/toThrowMatchers-test.js<d>:24:74)</>
 `;
 
+exports[`toThrow error message and cause fail isNot false, incorrect message 1`] = `
+<d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
+
+Expected message and cause: <g>"{ message: <i>goo</i>d, cause: { message: B, cause: { message: A }}}"</>
+Received message and cause: <r>"{ message: <i>ba</i>d, cause: { message: B, cause: { message: A }}}"</>
+
+      <d>at </>packages/expect/src/__tests__/toThrowMatchers.test.ts<d>:315:21</>
+`;
+
+exports[`toThrow error message and cause fail isNot true, incorrect cause 1`] = `
+<d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
+
+Expected message and cause: <g>"{ message: good, cause: { message:<i> B, cause: { message:</i> A }}<i>}</i>"</>
+Received message and cause: <r>"{ message: good, cause: { message: A }}"</>
+
+      <d>at </>packages/expect/src/__tests__/toThrowMatchers.test.ts<d>:323:21</>
+`;
+
 exports[`toThrow error-message fail isNot false 1`] = `
 <d>expect(</><r>received</><d>).</>toThrow<d>(</><g>expected</><d>)</>
 
@@ -454,6 +472,24 @@ Received message: <r>"apple"</>
       <d>at jestExpect (</>packages/expect/src/__tests__/toThrowMatchers-test.js<d>:24:74)</>
 `;
 
+exports[`toThrowError error message and cause fail isNot false, incorrect message 1`] = `
+<d>expect(</><r>received</><d>).</>toThrowError<d>(</><g>expected</><d>)</>
+
+Expected message and cause: <g>"{ message: <i>goo</i>d, cause: { message: B, cause: { message: A }}}"</>
+Received message and cause: <r>"{ message: <i>ba</i>d, cause: { message: B, cause: { message: A }}}"</>
+
+      <d>at </>packages/expect/src/__tests__/toThrowMatchers.test.ts<d>:315:21</>
+`;
+
+exports[`toThrowError error message and cause fail isNot true, incorrect cause 1`] = `
+<d>expect(</><r>received</><d>).</>toThrowError<d>(</><g>expected</><d>)</>
+
+Expected message and cause: <g>"{ message: good, cause: { message:<i> B, cause: { message:</i> A }}<i>}</i>"</>
+Received message and cause: <r>"{ message: good, cause: { message: A }}"</>
+
+      <d>at </>packages/expect/src/__tests__/toThrowMatchers.test.ts<d>:323:21</>
+`;
+
 exports[`toThrowError error-message fail isNot false 1`] = `
 <d>expect(</><r>received</><d>).</>toThrowError<d>(</><g>expected</><d>)</>
 

diff --git a/packages/expect/src/__tests__/toThrowMatchers.test.ts b/packages/expect/src/__tests__/toThrowMatchers.test.ts
@@ -297,16 +297,35 @@ describe.each(['toThrowError', 'toThrow'] as const)('%s', toThrow => {
       });
 
       test('isNot true, incorrect cause', () => {
-        // less than v16 does not yet support Error.cause
-        if (Number(process.version.split('.')[0].slice(1)) < 16) {
-          expect(true).toBe(true);
-        } else {
+        // only v16 or higher support Error.cause
+        if (Number(process.version.split('.')[0].slice(1)) >= 16) {
           jestExpect(() => {
             throw new Error('good', {cause: errorA});
           }).not[toThrow](expected);
         }
       });
     });
+
+    describe('fail', () => {
+      // only v16 or higher support Error.cause
+      if (Number(process.version.split('.')[0].slice(1)) >= 16) {
+        test('isNot false, incorrect message', () => {
+          expect(() =>
+            jestExpect(() => {
+              throw new Error('bad', {cause: errorB});
+            })[toThrow](expected),
+          ).toThrowErrorMatchingSnapshot();
+        });
+
+        test('isNot true, incorrect cause', () => {
+          expect(() =>
+            jestExpect(() => {
+              throw new Error('good', {cause: errorA});
+            })[toThrow](expected),
+          ).toThrowErrorMatchingSnapshot();
+        });
+      }
+    });
   });
 
   describe('asymmetric', () => {