fix: support not.checked assertion, closes #8

bahmutov · Aug 31, 2022 · 39d2479 · 39d2479
1 parent 54f8156
commit 39d2479
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Showing 4 changed files with 40 additions and 2 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1 +1,2 @@
 node_modules/
+cypress/videos/
diff --git a/cypress/checkbox.html b/cypress/checkbox.html
@@ -0,0 +1,14 @@
+<html>
+  <head></head>
+  <body>
+    <div>
+      <input type="checkbox" id="enrolled" />
+      <span>Enrolled already</span>
+    </div>
+
+    <div>
+      <input type="checkbox" id="agreed" checked />
+      <span>Agree</span>
+    </div>
+  </body>
+</html>
diff --git a/cypress/e2e/checked.cy.js b/cypress/e2e/checked.cy.js
@@ -0,0 +1,15 @@
+/// <reference types="cypress" />
+
+import '../../src'
+
+describe('checkbox', () => {
+  it('checks the box when it is not checked already', () => {
+    cy.visit('cypress/checkbox.html')
+    cy.get('#enrolled').if('not.checked').check()
+  })
+
+  it('does nothing if the box is already checked', () => {
+    cy.visit('cypress/checkbox.html')
+    cy.get('#agreed').if('not.checked').check()
+  })
+})
diff --git a/src/index.js b/src/index.js
@@ -5,14 +5,22 @@ Cypress.Commands.add(
   { prevSubject: true },
   function (subject, assertion) {
     const cmd = cy.state('current')
-    debug('if', cmd.attributes, 'subject', subject)
+    debug('if', cmd.attributes, 'subject', subject, 'assertion?', assertion)
     debug('next command', cmd.next)
 
     const hasSubject = Boolean(subject)
     let assertionsPassed = true
     if (hasSubject && assertion) {
       try {
-        expect(subject).to.be[assertion]
+        if (assertion.startsWith('not')) {
+          const parts = assertion.split('.')
+          let assertionReduced = expect(subject).to
+          parts.forEach((assertionPart) => {
+            assertionReduced = assertionReduced[assertionPart]
+          })
+        } else {
+          expect(subject).to.be[assertion]
+        }
       } catch (e) {
         console.error(e)
         assertionsPassed = false