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Adding automatic junit test case for extract method refactoring. It d…
…oesn't work from maven yet, so it is ignored :(
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129
...k.tests/src/org/uqbar/project/wollok/tests/refactoring/ExtractMethodRefactoringTest.xtend
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package org.uqbar.project.wollok.tests.refactoring | ||
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|
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| import com.google.inject.Inject | ||
| import org.eclipse.core.runtime.IProgressMonitor | ||
| import org.eclipse.core.runtime.NullProgressMonitor | ||
| import org.eclipse.ltk.core.refactoring.RefactoringStatus | ||
| import org.eclipse.ui.IWorkbenchPartSite | ||
| import org.eclipse.ui.texteditor.IDocumentProvider | ||
| import org.eclipse.xtext.resource.DefaultLocationInFileProvider | ||
| import org.eclipse.xtext.ui.editor.XtextEditor | ||
| import org.eclipse.xtext.ui.editor.model.DocumentTokenSource | ||
| import org.eclipse.xtext.ui.editor.model.XtextDocument | ||
| import org.eclipse.xtext.ui.editor.model.edit.ITextEditComposer | ||
| import org.eclipse.xtext.ui.refactoring.impl.ProjectUtil | ||
| import org.eclipse.xtext.ui.refactoring.impl.StatusWrapper | ||
| import org.eclipse.xtext.xbase.ui.document.DocumentRewriter | ||
| import org.eclipse.xtext.xbase.ui.imports.ReplaceConverter | ||
| import org.eclipse.xtext.xbase.ui.refactoring.ExpressionUtil | ||
| import org.junit.Test | ||
| import org.uqbar.project.wollok.refactoring.ExtractMethodRefactoring | ||
| import org.uqbar.project.wollok.tests.interpreter.AbstractWollokInterpreterTestCase | ||
| import org.uqbar.project.wollok.wollokDsl.WBinaryOperation | ||
| import org.uqbar.project.wollok.wollokDsl.WExpression | ||
| import org.xpect.util.ReflectionUtil | ||
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|
||
| import static org.mockito.Matchers.* | ||
| import static org.mockito.Mockito.* | ||
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|
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| /** | ||
| * | ||
| * @author jfernandes | ||
| */ | ||
| class ExtractMethodRefactoringTest extends AbstractWollokInterpreterTestCase { | ||
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| //TODO: the actual generated method must contain the return statement | ||
| @Test | ||
| def void extractSimpleMethodWithoutParameters() { | ||
| assertRefactor(''' | ||
| class A { | ||
| method foo() { | ||
| return 100 + 23 * 2 | ||
| } | ||
| } | ||
| ''', | ||
| "calculus", | ||
| ''' | ||
| class A { | ||
| method foo() { | ||
| return 100 + this.calculus() | ||
| } | ||
| method calculus() { | ||
| 23 * 2 | ||
| } | ||
| } | ||
| ''') | ||
| } | ||
|
|
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| // ***************************** | ||
| // ** utility methods | ||
| // ***************************** | ||
|
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| @Inject DocumentRewriter.Factory rProvider | ||
| @Inject DocumentTokenSource tokenSource | ||
| @Inject ITextEditComposer composer | ||
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| def void assertRefactor(String code, String newMethodName, String refactored) { | ||
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| val editor = createEditor(code) | ||
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| val selection = code.interpretPropagatingErrors.eAllContents.filter(WBinaryOperation).findFirst[e | e.feature == "*"] as WExpression | ||
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| val ExtractMethodRefactoring r = createRefactoring(newMethodName) | ||
| r.initialize(editor, #[selection], false) | ||
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| val pm = new NullProgressMonitor | ||
|
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| // checks | ||
| assertEquals(#[].toString, r.checkInitialConditions(pm).entries.toString) | ||
| assertEquals(#[].toString, r.checkFinalConditions(pm).entries.toString) | ||
|
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| // perform | ||
| val change = r.createChange(pm) | ||
| change.perform(pm) | ||
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| // assert | ||
| val output = editor.document.get | ||
| assertEquals(refactored, output) | ||
| } | ||
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| def createRefactoring(String newMethodName) { | ||
| val fileProvider = new DefaultLocationInFileProvider | ||
| new ExtractMethodRefactoring => [ | ||
| methodName = newMethodName | ||
| statusProvider = [| new StatusWrapper => [ | ||
| forceField("status", new RefactoringStatus) | ||
| forceField("projectUtil", mock(ProjectUtil)) | ||
| forceField("locationInFileProvider", fileProvider) | ||
| ]] | ||
| expressionUtil = new ExpressionUtil => [ | ||
| forceField("locationInFileProvider", fileProvider) | ||
| ] | ||
| rewriterFactory = rProvider | ||
| locationInFileProvider = fileProvider | ||
| replaceConverter = new ReplaceConverter | ||
| ] | ||
| } | ||
|
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| def forceField(Object obj, String field, Object value) { | ||
| ReflectionUtil.writeField(obj.class, obj, field, value) | ||
| } | ||
|
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| def createEditor(String code) { | ||
| val xtexdoc = new XtextDocument(tokenSource, composer) | ||
| xtexdoc.set(code) | ||
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| val provider = mock(IDocumentProvider) => [ | ||
| when(getDocument(any)).thenReturn(xtexdoc) | ||
| ] | ||
|
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| mock(XtextEditor) => [ | ||
| when(documentProvider).thenReturn(provider) | ||
| when(document).thenReturn(xtexdoc) | ||
| when(editorInput).thenReturn(null) | ||
| when(site).thenReturn(mock(IWorkbenchPartSite)) | ||
| ] | ||
| } | ||
|
|
||
| } |
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