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GIT and JUnit Dr. Andrew Wallace PhD BEng(hons) EurIng andrew@cs.umu.se
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Overview Version control Git JUnit
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Version Control Managing change Cooperation between people within a team Problem correction Alternative versions
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Version Control Repository Check in Check out File locking Merging Labels and tagging Branching
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Git Distributed version control Own copy of source directory Snapshot of the source directory Eclipse comes with GIT It needs setting up
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Git Set up an account on a Git server GitLab Set up a new Git repository Generate an SSH key and add it GitLab Eclipse Commit code to GitHub
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Git Set up an account CS servers Use CS account
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Git
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Now create a project Use to deposit code
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Git
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Now you need to copy in a key from Eclipse If you don’t have one, create one
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Git
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Now set up a remote connection so Eclipse can talk to GitLab You will need the info from GitLab
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Git
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Now set up windows You need to set an environment variable
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Git
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Now you can create a repository in on your local machine Then add the code to GitLab
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Git
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Now you can use Git Commit your code
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Git
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Team Push Pull Merge tool Branching Advanced -> tag Project and file Different Team menus.
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JUnit Test your code in parts! Create a JUnit test case Write the test code Use asserts Run the test case
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JUnit
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import org.junit.Assert.*; public class TestMyClass { @BeforeClass public static void setUpClass() throws Exception{} @Before public static void setup() throws Exception{} @Test public void testMethod(){} } Also @After and @after class
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JUnit
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Asserts assertEquals(boolean expected, boolean actual) assertTrue(boolean expected, boolean actual) assertFalse(boolean expected, boolean actual) assertNotNull(Object object) assertSame(Object object) assertNotSame(Object object) assertArrayEquals(Object object)
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JUnit Use asserts to check for things that should never happen Array over runs Null pointers Wrong values Divide by zero Check your assumptions Use exceptions for things that can go wrong! IO errors Memory errors User inputs
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JUnit Sunny Day Test for what you expect As specified What can go wrong?
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Questions?
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