Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Mocking for Unit Test using Mockito
Search
Eko Kurniawan Khannedy
February 14, 2018
Technology
1
340
Mocking for Unit Test using Mockito
Mocking for Unit Test using Mockito
Eko Kurniawan Khannedy
February 14, 2018
Tweet
Share
More Decks by Eko Kurniawan Khannedy
See All by Eko Kurniawan Khannedy
Monolith to Event-Driven Microservices
khannedy
1
260
Refactoring
khannedy
0
330
Multi-Datacenter Kafka at Blibli.com
khannedy
2
1.5k
QA Tools - Research and Development
khannedy
0
280
Reactive Puzzle
khannedy
0
200
Event-Driven Architecture
khannedy
1
1.9k
Resilience Engineering with Hystrix and Spring
khannedy
1
560
Centralized Configuration using Consul and Spring Cloud
khannedy
2
700
Validation Best Practice
khannedy
2
1.3k
Other Decks in Technology
See All in Technology
帳票Vibe Coding
terurou
0
130
KiroでGameDay開催してみよう(準備編)
yuuuuuuu168
1
120
RAID6 を楔形文字で組んで現代人を怖がらせましょう(実装編)
mimifuwa
0
290
生成AI利用プログラミング:誰でもプログラムが書けると 世の中どうなる?/opencampus202508
okana2ki
0
190
モノレポにおけるエラー管理 ~Runbook自動生成とチームメンションの最適化
biwashi
0
540
Gaze-LLE: Gaze Target Estimation via Large-Scale Learned Encoders
kzykmyzw
0
310
コミュニティと計画的偶発性理論 - 出会いが人生を変える / Life-Changing Encounters
soudai
PRO
7
1.3k
[CV勉強会@関東 CVPR2025 読み会] MegaSaM: Accurate, Fast, and Robust Structure and Motion from Casual Dynamic Videos (Li+, CVPR2025)
abemii
0
180
ABEMAにおける 生成AI活用の現在地 / The Current Status of Generative AI at ABEMA
dekatotoro
0
630
datadog-distribution-of-opentelemetry-collector-intro
tetsuya28
0
240
人と組織に偏重したEMへのアンチテーゼ──なぜ、EMに設計力が必要なのか/An antithesis to the overemphasis of people and organizations in EM
dskst
4
490
広島発!スタートアップ開発の裏側
tsankyo
0
210
Featured
See All Featured
Building Applications with DynamoDB
mza
96
6.6k
Writing Fast Ruby
sferik
628
62k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Why Our Code Smells
bkeepers
PRO
338
57k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
The Language of Interfaces
destraynor
160
25k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Six Lessons from altMBA
skipperchong
28
4k
Docker and Python
trallard
45
3.5k
Mobile First: as difficult as doing things right
swwweet
223
9.9k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Being A Developer After 40
akosma
90
590k
Transcript
MOCKING FOR UNIT TEST USING MOCKITO
MOCKING FOR UNIT TEST USING MOCKITO EKO KURNIAWAN KHANNEDY ▸
Principal R&D Engineer at Blibli.com ▸ Part of R&D Team at Blibli.com ▸
[email protected]
MOCKING FOR UNIT TEST USING MOCKITO AGENDA ▸ Mocking ▸
Stubbing ▸ Verification ▸ Capturing
MOCKING MOCKING FOR UNIT TEST
MOCKING IS CREATING OBJECTS THAT MIMIC THE BEHAVIOR OF REAL
OBJECTS What is Mocking? MOCKING FOR UNIT TEST USING MOCKITO
None
MOCKING FOR UNIT TEST USING MOCKITO MOCKING USING MOCKITO import
static org.mockito.Mockito.*; HttpServletRequest request = mock(HttpServletRequest.class);
MOCKING FOR UNIT TEST USING MOCKITO MOCKING USING MOCKITO JUNIT
RULE @Rule public MockitoRule mockitoRule = MockitoJUnit.rule(); @Mock private HttpServletRequest request;
MOCKING FOR UNIT TEST USING MOCKITO INJECTING MOCK WITH MOCKITO
@Rule public MockitoRule mockitoRule = MockitoJUnit.rule(); @Mock private HttpServletRequest request; @InjectMocks private MyController controller;
STUBBING MOCKING FOR UNIT TEST
ADD BEHAVIOR TO MOCKING OBJECT What is Stubbing? MOCKING FOR
UNIT TEST USING MOCKITO
MOCKING FOR UNIT TEST USING MOCKITO STUBBING USING MOCKITO when(request.getParameter("name")).thenReturn(...);
assertEquals(..., request.getParameter("name")); when(request.getParameter("error")).thenThrown(...); request.getParameter("error"); // throw exception when(request.getParameter("return")).thenAnswer(...);
VERIFICATION MOCKING FOR UNIT TEST
VERIFY INTERACTION TO MOCKING OBJECT What is Verification? MOCKING FOR
UNIT TEST USING MOCKITO
MOCKING FOR UNIT TEST USING MOCKITO STUBING USING MOCKITO verify(request).getParameter("name");
verify(request, times(2)).getParameter("..."); verifyNoMoreInteractions(request);
CAPTURING MOCKING FOR UNIT TEST
CAPTURING VALUE THAT INTERACT WITH MOCKING OBJECT What is Capturing?
MOCKING FOR UNIT TEST USING MOCKITO
MOCKING FOR UNIT TEST USING MOCKITO CAPTURING USING MOCKITO JUNIT
RULE @Captor private ArgumentCaptor<Merchant> merchantCaptor;
MOCKING FOR UNIT TEST USING MOCKITO GET VALUE FROM CAPTOR
verify(merchantRepository).save(merchantCaptor.capture()); Merchant merchant = merchantCaptor.getValue();
DEMO
MOCKING FOR UNIT TEST USING MOCKITO REFERENCES ▸ https://github.com/mockito/mockito/wiki ▸
https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features- testing.html