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mocker
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Fluent mockito
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# mocker [](http://androidweekly.net/issues/issue-207) [](http://android-arsenal.com/details/1/3626) [](https://jitpack.io/#yongjhih/mocker) [](https://jitpack.io/com/github/yongjhih/mocker/-SNAPSHOT/javadoc/) [](https://travis-ci.org/yongjhih/mocker) [](https://coveralls.io/github/yongjhih/mocker) [](https://codacy.com/app/yongjhih/mocker) <!--[ ](https://bintray.com/yongjhih/maven/mocker/_latestVersion)-->  Fluent Mockito Builder ## Usage mock(): ```java ParseUser mockUser = mocker(ParseUser.class).mock(); ``` Infer casting: ```java // Before: ParseQuery<ParseUser> mockQuery = (ParseQuery<ParseUser>) Mockito.mock(ParseQuery.class); // After: ParseQuery<ParseUser> mockQuery = mocker(ParseQuery.class).mock(); ``` when-thenReturn: ```java ParseUser mockUser = mocker(ParseUser.class) .when(user -> user.getObjectId()).thenReturn(user -> "1_" + user.hashCode()); .mock(); ``` Multiple when-thenReturn: ```java ParseQuery<ParseUser> mockQuery = mocker(ParseQuery.class) .when(query -> query.countInBackground()).thenReturn(query -> Task.forResult(users.size())) .when(query -> query.findInBackground()).thenReturn(query -> Task.forResult(users)) .when(query -> query.setSkip(any(int.class))).thenReturn(query -> null) .when(query -> query.setLimit(any(int.class))).thenReturn(query -> null) .mock(); ``` Avoid unnecessary variables: Before: ```java ParseUser user = mock(ParseUser.class); ParseUser user2 = mock(ParseUser.class); ParseUser user3 = mock(ParseUser.class); List<ParseUser> users = Arrays.asList(user, user2, user3); ParseQuery<ParseUser> query = (ParseQuery<ParseUser>) mock(ParseQuery.class); when(query.countInBackground()).thenReturn(Task.forResult(users.size())); when(query.findInBackground()).thenReturn(Task.forResult(users)); when(query.setSkip(any(int.class))).thenReturn(null); when(query.setLimit(any(int.class))).thenReturn(null); when(user.getObjectId()).thenReturn("1_" + user.hashCode()); when(user2.getObjectId()).thenReturn("2_" + user2.hashCode()); when(user3.getObjectId()).thenReturn("3_" + user3.hashCode()); rx.assertions.RxAssertions.assertThat(rx.parse.ParseObservable.all(query)).completes(); ``` After: ```java List<ParseUser> users = Arrays.asList( mocker(ParseUser.class).when(user -> user.getObjectId()).thenReturn(user -> "1_" + user.hashCode()).mock(), mocker(ParseUser.class).when(user -> user.getObjectId()).thenReturn(user -> "2_" + user.hashCode()).mock(), mocker(ParseUser.class).when(user -> user.getObjectId()).thenReturn(user -> "3_" + user.hashCode()).mock()); rx.assertions.RxAssertions.assertThat(rx.parse.ParseObservable.all(mocker(ParseQuery.class) .when(query -> query.countInBackground()).thenReturn(query -> Task.forResult(users.size())) .when(query -> query.findInBackground()).thenReturn(query -> Task.forResult(users)) .when(query -> query.setSkip(any(int.class))).thenReturn(query -> null) .when(query -> query.setLimit(any(int.class))).thenReturn(query -> null) .mock()) ).completes(); ``` ## verify Shorten expression: ```java mocker(List.class).never(list -> {}).size(); ``` ```java mocker(List.class).times(list -> list.size(), 1).size(); ``` Normal expression: ```java mocker(List.class).verify(list -> {}).never().mock().size(); ``` ```java mocker(List.class).verify(list -> list.size()).times(1).mock().size(); ``` ## Installation ```gradle repositories { // ... maven { url "https://jitpack.io" } } dependencies { testCompile 'com.github.yongjhih:mocker:-SNAPSHOT' //testCompile 'com.github.yongjhih:mocker:0.1.2' } ``` ## Bonus: Reuse mocker ```java Mocker<List> mocker = mocker(List.class).when(list -> list.size()).thenReturn(list -> 3); Mocker<List> mocker2 = mocker.when(list -> list.toString()).thenReturn(list -> "hello"); List list = mocker.mock(); List list2 = mocker2.mock(); assertEquals(3, list.size()); assertEquals(3, list2.size()); assertNotEquals("hello", list.toString()); assertEquals("hello", list2.toString()); ``` ## Bonus: asList ```java List<List> lists = mocker(List.class).when(list -> list.toString()).thenReturn(list -> "hello").asList(3); assertEquals(lists.size(), 3); for (List item : lists) assertEquals(item.toString(), "hello"); ``` ## LICENSE ``` Copyright (C) 2016 8tory, Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ```
