Figure 2-28 The Plug-in view in Java

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Figure 2-28 The Plug-in view
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273 The Plug-in Dependency view The Plug-in Dependency view shows a hierarchy of which plug-ins are dependent upon which other plug-ins, which in turn are dependent upon other plug-ins, etc (see Figure 2-29) When the view opens, first right-click and select Focus On , and then select the comqualityeclipsefavorites plugin in the Workspace Plug-ins category Double clicking on an element in the tree opens the plug-in manifest editor for the corresponding plug-in
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Figure 2-29 The Plug-in Dependencies view
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Eclipse is a continually moving target, and when building commercial plugins, tests are necessary to ensure that the product continues to function properly over multiple releases of Eclipse If the goal was to develop and release a plug-in once, then manual testing would suffice, but automated tests are better at preventing regressions from creeping into the product over time
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281 Installing PDE JUnit JUnit support is built into Eclipse and is excellent for testing normal Java code, but additional functionality is necessary to test plug-in code The PDE JUnit plug-in provides this additional functionality, but is not currently part of the main Eclipse download In the future it may be added to the main download or be available through the Update Manager, but for now it must be manually download and installed using the following steps:
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1 Open a browser on the JDT UI JUnit support page a Go to http://wwweclipseorg/ b Click on projects in the left column c Click on The Eclipse Project in the main area d Click on JDT in the left column e Click on UI in the main area f Click on orgeclipsejdtjunit in Optional Plug-ins section 2 Download the appropriate version of the JUnit plug-in for the Eclipse development environment being used (eg orgeclipsepdejunit_215 for Eclipse 21) 3 Shutdown Eclipse 4 Unzip the downloaded file into the plugins directory 5 Restart Eclipse
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282 Creating a plug-in test project Once the PDE JUnit support is installed, use the same procedure as outlined above in Section 22 to create a new plug-in project with the following exceptions: Name the project comqualityeclipsefavoritestest Name the plug-in runtime library favoritesTestjar Select Default Plug-in Structure for code generation Change the plug-in class name to comqualityeclipsefavoritestestFavoritesTestPlugin
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Once the project has been created, use the Dependencies page of the plug-in manifest editor to add the following required plug-ins, and then save the changes: comqualityeclipsefavorites in the Workspace Plug-ins category (not from the External Plug-ins category) orgjunit in the External Plug-ins category
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283 Creating a plug-in test Once the project has been created and the plug-in manifest modified, it s time to create a simple test for the favorites plug-in (see Example 2-10) The goal of the test is to show the Favorites view, validate its content, and then hide the view Example 2-10 FavoritesViewTest plug-in test class
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package comqualityeclipsefavoritestest; import javautil*; import junitframework*; import import import import import orgeclipsecoreinternalresources*; orgeclipsejfacedialogs*; orgeclipsejfaceviewers*; orgeclipseswtwidgetsDisplay; orgeclipseuiPlatformUI;
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import comqualityeclipsefavoritesviewsFavoritesView; /** * The class <code>FavoritesViewTest</code> contains tests * for the class {@link * comqualityeclipsefavoritesviewsFavoritesView} * * @pattern JUnit Test Case * @generatedBy CodePro Studio */ public class FavoritesViewTest extends TestCase { private static final String VIEW_ID = "comqualityeclipsefavoritesviewsFavoritesView"; /**
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* The object that is being tested * * @see comqualityeclipsefavoritesviewsFavoritesView */ private FavoritesView testView; /** /** * Construct new test instance * * @param name the test name */ public FavoritesViewTest(String name) { super(name); } /** * Perform pre-test initialization * * @throws Exception * * @see TestCase#setUp() */ protected void setUp() throws Exception { supersetUp(); // initialize the test fixture for each test // that is run waitForJobs(); testView = (FavoritesView) PlatformUI getWorkbench() getActiveWorkbenchWindow() getActivePage() showView(VIEW_ID); // Delay for 3 seconds so that // the favorites view can be seen waitForJobs(); delay(3000); // Add additional set up code here } /** * Perform post-test clean up *
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