Add test-app package for testing usage of the sendCoverageBatchSize e…

…nvironment variable
cypress-io · jennifer-shehane · Oct 2, 2024 · Sep 9, 2024 · Sep 9, 2024 · Sep 9, 2024
commit 60797e52e714ca755f99b87131eaff28d5860235
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -146,6 +146,7 @@ workflows:
               jobname:
                 - all-files
                 - backend
+                - batch-send-coverage
                 - before-all-visit
                 - before-each-visit
                 - cra-e2e-and-ct
@@ -174,6 +175,7 @@ workflows:
             - test-code-coverage-plugin
             - test-all-files
             - test-backend
+            - test-batch-send-coverage
             - test-before-all-visit
             - test-before-each-visit
             - test-cra-e2e-and-ct

diff --git a/test-apps/batch-send-coverage/.babelrc b/test-apps/batch-send-coverage/.babelrc
@@ -0,0 +1,3 @@
+{
+  "plugins": ["istanbul"]
+}
diff --git a/test-apps/batch-send-coverage/README.md b/test-apps/batch-send-coverage/README.md
@@ -0,0 +1,4 @@
+# Test Case: Batch Send Coverage
+This test app tests that all expected files are covered when using
+the `sendCoverageBatchSize` environment variable in the Cypress
+configuration file.
diff --git a/test-apps/batch-send-coverage/cypress.config.js b/test-apps/batch-send-coverage/cypress.config.js
@@ -0,0 +1,14 @@
+const { defineConfig } = require('cypress')
+
+module.exports = defineConfig({
+  fixturesFolder: false,
+  env: {
+    sendCoverageBatchSize: 1
+  },
+  e2e: {
+    setupNodeEvents(on, config) {
+      return require('./cypress/plugins/index.js')(on, config)
+    },
+    baseUrl: 'http://localhost:1234'
+  }
+})
diff --git a/test-apps/batch-send-coverage/cypress/e2e/spec.cy.js b/test-apps/batch-send-coverage/cypress/e2e/spec.cy.js
@@ -0,0 +1,24 @@
+/// <reference types="cypress" />
+it('works', () => {
+  cy.visit('/')
+  cy.contains('Page body')
+
+  cy.window()
+    .invoke('reverse', 'super')
+    .should('equal', 'repus')
+
+  cy.window()
+    .invoke('numsTimesTwo', [1, 2, 3])
+    .should('deep.equal', [2, 4, 6])
+
+  cy.window()
+    .invoke('add', 2, 3)
+    .should('equal', 5)
+
+  cy.window()
+    .invoke('sub', 5, 2)
+    .should('equal', 3)
+
+  // application's code should be instrumented
+  cy.window().should('have.property', '__coverage__')
+})
diff --git a/test-apps/batch-send-coverage/cypress/plugins/index.js b/test-apps/batch-send-coverage/cypress/plugins/index.js
@@ -0,0 +1,4 @@
+module.exports = (on, config) => {
+  require('@cypress/code-coverage/task')(on, config)
+  return config
+}
diff --git a/test-apps/batch-send-coverage/cypress/support/commands.js b/test-apps/batch-send-coverage/cypress/support/commands.js
@@ -0,0 +1 @@
+import '@cypress/code-coverage/support'
diff --git a/test-apps/batch-send-coverage/cypress/support/e2e.js b/test-apps/batch-send-coverage/cypress/support/e2e.js
@@ -0,0 +1 @@
+require('./commands')
diff --git a/test-apps/batch-send-coverage/index.html b/test-apps/batch-send-coverage/index.html
@@ -0,0 +1,17 @@
+<body>
+  Page body
+  <script src="main.js"></script>
+  <script src="second.js"></script>
+  <script src="third.js"></script>
+    // use functions creates in "main.js"
+    if (add(2, 3) !== 5) {
+      throw new Error('wrong addition')
+    }
+    if (sub(2, 3) !== -1) {
+      throw new Error('wrong subtraction')
+    }
+    if (reverse('foo') !== 'oof') {
+      throw new Error('wrong string reverse')
+    }
+  </script>
+</body>
diff --git a/test-apps/batch-send-coverage/main.js b/test-apps/batch-send-coverage/main.js
@@ -0,0 +1,3 @@
+window.add = (a, b) => a + b
+
+window.sub = (a, b) => a - b
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		window.add = (a, b) => a + b

		window.sub = (a, b) => a - b