JsonConfigTest.java 文件源码

@Test
public void testUpdate_SuccessOldAndNewHaveSameKeys() throws Exception {
    Object data = new Object();
    File mockFile = PowerMockito.mock(File.class);
    JsonObject oldJsonObject = new JsonObject();
    oldJsonObject.addProperty("id", "1");

    FileWriter mockFileWriter = PowerMockito.mock(FileWriter.class);
    FileWriter spyFileWriter = Mockito.spy(mockFileWriter);

    PowerMockito.mockStatic(JsonUtils.class);
    PowerMockito.when(JsonUtils.convertObjectToJsonTree(Mockito.isA(Gson.class), Mockito.any())).thenReturn(oldJsonObject, oldJsonObject);
    PowerMockito.whenNew(FileWriter.class).withParameterTypes(File.class).withArguments(mockFile).thenReturn(mockFileWriter);
    PowerMockito.when(JsonUtils.convertObjectToJson(Mockito.isA(Gson.class), Mockito.any())).thenReturn("{}");
    Mockito.doNothing().when(spyFileWriter).write(Mockito.anyString());
    Mockito.doNothing().when(spyFileWriter).close();

    JsonConfig jsonConfig = new JsonConfig();
    boolean result = jsonConfig.update(mockFile, data);
    assertThat(result).isTrue();

    PowerMockito.verifyNew(FileWriter.class, Mockito.times(1)).withArguments(Mockito.isA(File.class));
}