add LaunchButton test to cover disabled launch button behavior

awx/ui_next/src/components/LaunchButton/LaunchButton.jsx

@@ -99,6 +99,7 @@ function LaunchButton({ resource, i18n, children, history }) {
       history.push(`/jobs/${job.id}/output`);
     } catch (launchError) {
       setError(launchError);
+    } finally {
       setIsLaunching(false);
     }
   };
@@ -151,6 +152,7 @@ function LaunchButton({ resource, i18n, children, history }) {
       }
     } catch (err) {
       setError(err);
+    } finally {
       setIsLaunching(false);
     }
   };

awx/ui_next/src/components/LaunchButton/LaunchButton.test.jsx

@@ -114,6 +114,49 @@ describe('LaunchButton', () => {
     expect(history.location.pathname).toEqual('/jobs/9000/output');
   });
 
+  test('should disable button to prevent duplicate clicks', async () => {
+    WorkflowJobTemplatesAPI.readLaunch.mockResolvedValue({
+      data: {
+        can_start_without_user_input: true,
+      },
+    });
+    const history = createMemoryHistory({
+      initialEntries: ['/jobs/9000'],
+    });
+    WorkflowJobTemplatesAPI.launch.mockImplementation(async () => {
+      // return asynchronously so isLaunching isn't set back to false in the
+      // same tick
+      await sleep(10);
+      return {
+        data: {
+          id: 9000,
+        },
+      };
+    });
+    const wrapper = mountWithContexts(
+      <LaunchButton
+        resource={{
+          id: 1,
+          type: 'workflow_job_template',
+        }}
+      >
+        {({ handleLaunch, isLaunching }) => (
+          <button type="submit" onClick={handleLaunch} disabled={isLaunching} />
+        )}
+      </LaunchButton>,
+      {
+        context: {
+          router: { history },
+        },
+      }
+    );
+    const button = wrapper.find('button');
+    await act(() => button.prop('onClick')());
+    wrapper.update();
+
+    expect(wrapper.find('button').prop('disabled')).toEqual(true);
+  });
+
   test('should relaunch job correctly', async () => {
     JobsAPI.readRelaunch.mockResolvedValue({
       data: {