Move JS integration tests to root folder

Reviewed By: mkonicek

Differential Revision: D2658454

fb-gh-sync-id: b639ea995411a7e43903264318b5fca4d2f1e9f7

IntegrationTests/AsyncStorageTest.js

@@ -0,0 +1,183 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @flow
+ */
+'use strict';
+
+var React = require('react-native');
+var {
+  AsyncStorage,
+  Text,
+  View,
+} = React;
+var { TestModule } = React.NativeModules;
+
+var deepDiffer = require('deepDiffer');
+
+var DEBUG = false;
+
+var KEY_1 = 'key_1';
+var VAL_1 = 'val_1';
+var KEY_2 = 'key_2';
+var VAL_2 = 'val_2';
+var KEY_MERGE = 'key_merge';
+var VAL_MERGE_1 = {'foo': 1, 'bar': {'hoo': 1, 'boo': 1}, 'moo': {'a': 3}};
+var VAL_MERGE_2 = {'bar': {'hoo': 2}, 'baz': 2, 'moo': {'a': 3}};
+var VAL_MERGE_EXPECT =
+  {'foo': 1, 'bar': {'hoo': 2, 'boo': 1}, 'baz': 2, 'moo': {'a': 3}};
+
+// setup in componentDidMount
+var done = (result : ?boolean) => {};
+var updateMessage = (message : string ) => {};
+
+function runTestCase(description : string, fn) {
+  updateMessage(description);
+  fn();
+}
+
+function expectTrue(condition : boolean, message : string) {
+  if (!condition) {
+    throw new Error(message);
+  }
+}
+
+function expectEqual(lhs, rhs, testname : string) {
+  expectTrue(
+    !deepDiffer(lhs, rhs),
+    'Error in test ' + testname + ': expected\n' + JSON.stringify(rhs) +
+      '\ngot\n' + JSON.stringify(lhs)
+  );
+}
+
+function expectAsyncNoError(place, err) {
+  if (err instanceof Error) {
+    err = err.message;
+  }
+  expectTrue(err === null, 'Unexpected error in ' + place + ': ' + JSON.stringify(err));
+}
+
+function testSetAndGet() {
+  AsyncStorage.setItem(KEY_1, VAL_1, (err1) => {
+    expectAsyncNoError('testSetAndGet/setItem', err1);
+    AsyncStorage.getItem(KEY_1, (err2, result) => {
+      expectAsyncNoError('testSetAndGet/getItem', err2);
+      expectEqual(result, VAL_1, 'testSetAndGet setItem');
+      updateMessage('get(key_1) correctly returned ' + result);
+      runTestCase('should get null for missing key', testMissingGet);
+    });
+  });
+}
+
+function testMissingGet() {
+  AsyncStorage.getItem(KEY_2, (err, result) => {
+    expectAsyncNoError('testMissingGet/setItem', err);
+    expectEqual(result, null, 'testMissingGet');
+    updateMessage('missing get(key_2) correctly returned ' + result);
+    runTestCase('check set twice results in a single key', testSetTwice);
+  });
+}
+
+function testSetTwice() {
+  AsyncStorage.setItem(KEY_1, VAL_1, ()=>{
+    AsyncStorage.setItem(KEY_1, VAL_1, ()=>{
+      AsyncStorage.getItem(KEY_1, (err, result) => {
+        expectAsyncNoError('testSetTwice/setItem', err);
+        expectEqual(result, VAL_1, 'testSetTwice');
+        updateMessage('setTwice worked as expected');
+        runTestCase('test removeItem', testRemoveItem);
+      });
+    });
+  });
+}
+
+function testRemoveItem() {
+  AsyncStorage.setItem(KEY_1, VAL_1, ()=>{
+    AsyncStorage.setItem(KEY_2, VAL_2, ()=>{
+      AsyncStorage.getAllKeys((err, result) => {
+        expectAsyncNoError('testRemoveItem/getAllKeys', err);
+        expectTrue(
+          result.indexOf(KEY_1) >= 0 && result.indexOf(KEY_2) >= 0,
+          'Missing KEY_1 or KEY_2 in ' + '(' + result + ')'
+        );
+        updateMessage('testRemoveItem - add two items');
+        AsyncStorage.removeItem(KEY_1, (err2) => {
+          expectAsyncNoError('testRemoveItem/removeItem', err2);
+          updateMessage('delete successful ');
+          AsyncStorage.getItem(KEY_1, (err3, result2) => {
+            expectAsyncNoError('testRemoveItem/getItem', err3);
+            expectEqual(
+              result2,
+              null,
+              'testRemoveItem: key_1 present after delete'
+            );
+            updateMessage('key properly removed ');
+            AsyncStorage.getAllKeys((err4, result3) => {
+             expectAsyncNoError('testRemoveItem/getAllKeys', err4);
+             expectTrue(
+               result3.indexOf(KEY_1) === -1,
+               'Unexpected: KEY_1 present in ' + result3
+             );
+             updateMessage('proper length returned.');
+             runTestCase('should merge values', testMerge);
+            });
+          });
+        });
+      });
+    });
+  });
+}
+
+function testMerge() {
+  AsyncStorage.setItem(KEY_MERGE, JSON.stringify(VAL_MERGE_1), (err1) => {
+    expectAsyncNoError('testMerge/setItem', err1);
+    AsyncStorage.mergeItem(KEY_MERGE, JSON.stringify(VAL_MERGE_2), (err2) => {
+      expectAsyncNoError('testMerge/mergeItem', err2);
+      AsyncStorage.getItem(KEY_MERGE, (err3, result) => {
+        expectAsyncNoError('testMerge/setItem', err3);
+        expectEqual(JSON.parse(result), VAL_MERGE_EXPECT, 'testMerge');
+        updateMessage('objects deeply merged\nDone!');
+        done();
+      });
+    });
+  });
+}
+
+var AsyncStorageTest = React.createClass({
+  getInitialState() {
+    return {
+      messages: 'Initializing...',
+      done: false,
+    };
+  },
+
+  componentDidMount() {
+    done = () => this.setState({done: true}, TestModule.markTestCompleted);
+    updateMessage = (msg) => {
+      this.setState({messages: this.state.messages.concat('\n' + msg)});
+      DEBUG && console.log(msg);
+    };
+    AsyncStorage.clear(testSetAndGet);
+  },
+
+  render() {
+    return (
+      <View style={{backgroundColor: 'white', padding: 40}}>
+        <Text>
+          {this.constructor.displayName + ': '}
+          {this.state.done ? 'Done' : 'Testing...'}
+          {'\n\n' + this.state.messages}
+        </Text>
+      </View>
+    );
+  }
+});
+
+AsyncStorageTest.displayName = 'AsyncStorageTest';
+
+module.exports = AsyncStorageTest;