Merge pull request #119 from open-source-labs/ast-implementation-testing

added test cases sample for astParser.js

Author: davidchai717

package/__tests__/astParser.test.js

@@ -0,0 +1,28 @@
+// Test 1: Should take in a function definition with 1 hook and return an object with the getter/setter
+// EXAMPLE INPUT FOR TEST
+/**
+ * function UseStateHookTest() {
+ *   const [testCount, setTestCount] = useState(0);
+ *   return (
+ *     <div>
+ *       <p>You clicked this {useStateCount} times</p>
+ *       <button onClick={() => setTestCount(testCount + 1)}>+1</button>
+ *       <button onClick={() => setTestCount(testCount - 1)}>-1</button>
+ *       <hr />
+ *   </div>
+ *   );
+ * }
+*/
+
+// EXPECTED RESULT of astParser(input)
+/**
+ * {
+ *  _useState: "testCount",
+ *  _useState2: "setTestCount"
+ * }
+ */
+
+ // TEST 2: Should take in multiple function definitions with hooks and return an object with all 4 properties
+ // TEST 3: Should ignore any non-hook definitions
+ // Test 4: Should return an empty object if no hooks found
+ // Test 5: Should throw an error if input is invalid javascript