✨ Add mock action with jest

Author: biigpongsatorn

index.js

@@ -0,0 +1,61 @@
+/* global expect */
+
+const mockAction = async (action, payload, store, expectedMutations, expectedDispatchs) => {
+  let countMutation = 0
+  let countDispatch = 0
+  // mock commit
+  const commit = async (type, payload) => {
+    try {
+      if (expectedMutations.length !== 0) {
+        const mutation = expectedMutations[countMutation]
+        countMutation++
+        await expect(mutation.type).toEqual(type)
+        if (payload !== undefined) {
+          await expect(mutation.payload).toEqual(payload)
+        }
+      }
+    } catch (e) {
+      console.error(`[COMMIT ERROR] ACTION : ${action.name} \n ${e}`)
+    }
+  }
+  // mock dispatch
+  const dispatch = (type, payload) => {
+    try {
+      if (expectedDispatchs.length !== 0) {
+        const dispatcher = expectedDispatchs[countDispatch]
+        countDispatch++
+        expect(dispatcher.type).toEqual(type)
+        if (payload !== undefined) {
+          expect(dispatcher.payload).toEqual(payload)
+        }
+      }
+    } catch (e) {
+      console.error(`[DISPATCH ERROR] ACTION : ${action.name} \n ${e}`)
+    }
+  }
+
+  // call the action with mocked store and arguments
+  let result
+  try {
+    result = await action({ commit, dispatch, ...store }, payload)
+  } catch (e) {
+    console.error(`[ACTION ERROR] : ${action.name} \n ${e}`)
+  }
+  // check if no mutations should have been dispatched
+  if (expectedMutations.length === 0) {
+    expect(countMutation).toEqual(0)
+  } else {
+    expect(countMutation).toEqual(expectedMutations.length)
+  }
+  if (expectedDispatchs.length === 0) {
+    expect(countDispatch).toEqual(0)
+  } else {
+    expect(countDispatch).toEqual(expectedDispatchs.length)
+  }
+  // check if has result should return result
+  if (result !== undefined) {
+    return result
+  }
+}
+
+export default mockAction