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[ReactNative] Implement merge functionality for AsyncStorage

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This commit is contained in:
Spencer Ahrens
2015-06-03 16:57:08 -07:00
parent 9fe7128493
commit 7ffa7bd1f1
4 changed files with 117 additions and 19 deletions
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49
IntegrationTests/AsyncStorageTest.js
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@@ -16,12 +16,19 @@ var {
View,
} = React;
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;
@@ -40,8 +47,9 @@ function expectTrue(condition, message) {
function expectEqual(lhs, rhs, testname) {
expectTrue(
lhs === rhs,
'Error in test ' + testname + ': expected ' + rhs + ', got ' + lhs
!deepDiffer(lhs, rhs),
'Error in test ' + testname + ': expected\n' + JSON.stringify(rhs) +
'\ngot\n' + JSON.stringify(lhs)
);
}
@@ -93,25 +101,25 @@ function testRemoveItem() {
'Missing KEY_1 or KEY_2 in ' + '(' + result + ')'
);
updateMessage('testRemoveItem - add two items');
AsyncStorage.removeItem(KEY_1, (err) => {
expectAsyncNoError(err);
AsyncStorage.removeItem(KEY_1, (err2) => {
expectAsyncNoError(err2);
updateMessage('delete successful ');
AsyncStorage.getItem(KEY_1, (err, result) => {
expectAsyncNoError(err);
AsyncStorage.getItem(KEY_1, (err3, result2) => {
expectAsyncNoError(err3);
expectEqual(
result,
result2,
null,
'testRemoveItem: key_1 present after delete'
);
updateMessage('key properly removed ');
AsyncStorage.getAllKeys((err, result2) => {
expectAsyncNoError(err);
AsyncStorage.getAllKeys((err4, result3) => {
expectAsyncNoError(err4);
expectTrue(
result2.indexOf(KEY_1) === -1,
'Unexpected: KEY_1 present in ' + result2
result3.indexOf(KEY_1) === -1,
'Unexpected: KEY_1 present in ' + result3
);
updateMessage('proper length returned.\nDone!');
done();
updateMessage('proper length returned.');
runTestCase('should merge values', testMerge);
});
});
});
@@ -120,6 +128,21 @@ function testRemoveItem() {
});
}
function testMerge() {
AsyncStorage.setItem(KEY_MERGE, JSON.stringify(VAL_MERGE_1), (err1) => {
expectAsyncNoError(err1);
AsyncStorage.mergeItem(KEY_MERGE, JSON.stringify(VAL_MERGE_2), (err2) => {
expectAsyncNoError(err2);
AsyncStorage.getItem(KEY_MERGE, (err3, result) => {
expectAsyncNoError(err3);
expectEqual(JSON.parse(result), VAL_MERGE_EXPECT, 'testMerge');
updateMessage('objects deeply merged\nDone!');
done();
});
});
});
}
var AsyncStorageTest = React.createClass({
getInitialState() {
return {