forked from checkstyle/checkstyle
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Issue checkstyle#3648: make code coverage for MainFrameModel 100%
- Loading branch information
Showing
2 changed files
with
209 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
209 changes: 209 additions & 0 deletions
209
src/test/java/com/puppycrawl/tools/checkstyle/gui/MainFrameModelTest.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,209 @@ | ||
//////////////////////////////////////////////////////////////////////////////// | ||
// checkstyle: Checks Java source code for adherence to a set of rules. | ||
// Copyright (C) 2001-2017 the original author or authors. | ||
// | ||
// This library is free software; you can redistribute it and/or | ||
// modify it under the terms of the GNU Lesser General Public | ||
// License as published by the Free Software Foundation; either | ||
// version 2.1 of the License, or (at your option) any later version. | ||
// | ||
// This library is distributed in the hope that it will be useful, | ||
// but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
// Lesser General Public License for more details. | ||
// | ||
// You should have received a copy of the GNU Lesser General Public | ||
// License along with this library; if not, write to the Free Software | ||
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
//////////////////////////////////////////////////////////////////////////////// | ||
|
||
package com.puppycrawl.tools.checkstyle.gui; | ||
|
||
import static org.junit.Assert.assertEquals; | ||
import static org.junit.Assert.assertFalse; | ||
import static org.junit.Assert.assertNotNull; | ||
import static org.junit.Assert.assertTrue; | ||
import static org.junit.Assert.fail; | ||
|
||
import java.io.File; | ||
import java.util.Locale; | ||
|
||
import org.junit.Before; | ||
import org.junit.Test; | ||
import org.junit.runner.RunWith; | ||
import org.powermock.api.mockito.PowerMockito; | ||
import org.powermock.core.classloader.annotations.PrepareForTest; | ||
import org.powermock.modules.junit4.PowerMockRunner; | ||
import org.powermock.reflect.Whitebox; | ||
|
||
import com.puppycrawl.tools.checkstyle.api.CheckstyleException; | ||
import com.puppycrawl.tools.checkstyle.gui.MainFrameModel.ParseMode; | ||
|
||
@RunWith(PowerMockRunner.class) | ||
public class MainFrameModelTest { | ||
|
||
private static final String FILE_NAME_TEST_DATA = "InputJavadocAttributesAndMethods.java"; | ||
private static final String FILE_NAME_NON_JAVA = "NotJavaFile.notjava"; | ||
private static final String FILE_NAME_NON_EXISTENT = "non-existent.file"; | ||
private static final String FILE_NAME_NON_COMPILABLE = "InputIncorrectClass.java"; | ||
|
||
private MainFrameModel model; | ||
private File testData; | ||
|
||
private static String getPath(String filename) { | ||
return "src/test/resources/com/puppycrawl/tools/checkstyle/gui/" + filename; | ||
} | ||
|
||
private static String getNonCompilablePath(String filename) { | ||
return "src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/" + filename; | ||
} | ||
|
||
@Before | ||
public void prepareTestData() { | ||
model = new MainFrameModel(); | ||
testData = new File(getPath(FILE_NAME_TEST_DATA)); | ||
} | ||
|
||
@Test | ||
public void testParseModeEnum() { | ||
assertEquals("Plain Java", ParseMode.PLAIN_JAVA.toString()); | ||
assertEquals("Java with comments", ParseMode.JAVA_WITH_COMMENTS.toString()); | ||
assertEquals("Java with comments and Javadocs", | ||
ParseMode.JAVA_WITH_JAVADOC_AND_COMMENTS.toString()); | ||
|
||
// ParseMode Enum should only have above 3 enumerations | ||
final int expectedEnumerations = 3; | ||
assertEquals(expectedEnumerations, ParseMode.values().length); | ||
} | ||
|
||
@Test | ||
public void testShouldAcceptFile() { | ||
final File directory = PowerMockito.mock(File.class); | ||
PowerMockito.when(directory.isDirectory()).thenReturn(true); | ||
assertTrue(MainFrameModel.shouldAcceptFile(directory)); | ||
|
||
final File javaFile = new File(getPath(FILE_NAME_TEST_DATA)); | ||
assertTrue(MainFrameModel.shouldAcceptFile(javaFile)); | ||
|
||
final File nonJavaFile = PowerMockito.mock(File.class); | ||
PowerMockito.when(nonJavaFile.isDirectory()).thenReturn(false); | ||
PowerMockito.when(nonJavaFile.getName()).thenReturn(FILE_NAME_NON_JAVA); | ||
assertFalse(MainFrameModel.shouldAcceptFile(nonJavaFile)); | ||
|
||
final File nonExistentFile = new File(getPath(FILE_NAME_NON_EXISTENT)); | ||
assertFalse(MainFrameModel.shouldAcceptFile(nonExistentFile)); | ||
} | ||
|
||
@Test | ||
public void testOpenFileWithParseModePlainJava() throws CheckstyleException { | ||
// Default parse mode: Plain Java | ||
model.openFile(testData); | ||
verifyCorrectTestDataInFrameModel(); | ||
|
||
model.setParseMode(ParseMode.PLAIN_JAVA); | ||
verifyCorrectTestDataInFrameModel(); | ||
} | ||
|
||
@Test | ||
public void testOpenFileWithParseModeJavaWithComments() throws CheckstyleException { | ||
model.setParseMode(ParseMode.JAVA_WITH_COMMENTS); | ||
model.openFile(testData); | ||
|
||
verifyCorrectTestDataInFrameModel(); | ||
} | ||
|
||
@Test | ||
public void testOpenFileWithParseModeJavaWithJavadocAndComments() throws CheckstyleException { | ||
model.setParseMode(ParseMode.JAVA_WITH_JAVADOC_AND_COMMENTS); | ||
model.openFile(testData); | ||
|
||
verifyCorrectTestDataInFrameModel(); | ||
} | ||
|
||
@Test | ||
@PrepareForTest(ParseMode.class) | ||
public void testOpenFileWithUnknownParseMode() throws CheckstyleException { | ||
final ParseMode unknownParseMode = PowerMockito.mock(ParseMode.class); | ||
Whitebox.setInternalState(unknownParseMode, "ordinal", 3); | ||
|
||
PowerMockito.when(unknownParseMode.toString()).thenReturn("Unknown parse mode"); | ||
PowerMockito.mockStatic(ParseMode.class); | ||
PowerMockito.when(ParseMode.values()).thenReturn( | ||
new ParseMode[] { | ||
ParseMode.PLAIN_JAVA, ParseMode.JAVA_WITH_COMMENTS, | ||
ParseMode.JAVA_WITH_JAVADOC_AND_COMMENTS, unknownParseMode, }); | ||
|
||
try { | ||
model.setParseMode(unknownParseMode); | ||
model.openFile(testData); | ||
|
||
fail("Expected IllegalArgumentException is not thrown."); | ||
} catch (IllegalArgumentException ex) { | ||
assertEquals("Unknown mode: Unknown parse mode", ex.getMessage()); | ||
} | ||
} | ||
|
||
@Test | ||
public void testOpenFileNullParameter() throws CheckstyleException { | ||
model.openFile(testData); | ||
|
||
model.openFile(null); | ||
|
||
// Model will not change with null input | ||
verifyCorrectTestDataInFrameModel(); | ||
} | ||
|
||
@Test | ||
public void testOpenFileNonExistentFile() { | ||
final File nonExistentFile = new File(getPath(FILE_NAME_NON_EXISTENT)); | ||
|
||
try { | ||
model.openFile(nonExistentFile); | ||
|
||
fail("Expected CheckstyleException is not thrown."); | ||
} catch (CheckstyleException ex) { | ||
final String expectedMsg = String.format(Locale.ROOT, | ||
"FileNotFoundException occurred while opening file %s.", | ||
nonExistentFile.getPath()); | ||
|
||
assertEquals(expectedMsg, ex.getMessage()); | ||
} | ||
} | ||
|
||
@Test | ||
public void testOpenFileNonCompilableFile() { | ||
final File nonCompilableFile = new File(getNonCompilablePath(FILE_NAME_NON_COMPILABLE)); | ||
|
||
try { | ||
model.openFile(nonCompilableFile); | ||
|
||
fail("Expected CheckstyleException is not thrown."); | ||
} catch (CheckstyleException ex) { | ||
final String expectedMsg = String.format(Locale.ROOT, | ||
"NoViableAltException occurred while opening file %s.", | ||
nonCompilableFile.getPath()); | ||
|
||
assertEquals(expectedMsg, ex.getMessage()); | ||
} | ||
} | ||
|
||
private void verifyCorrectTestDataInFrameModel() { | ||
assertEquals(testData, model.getCurrentFile()); | ||
|
||
final String expectedTitle = "Checkstyle GUI : " + FILE_NAME_TEST_DATA; | ||
assertEquals(expectedTitle, model.getTitle()); | ||
|
||
assertTrue(model.isReloadActionEnabled()); | ||
|
||
final int expectedLines = 17; | ||
assertEquals(expectedLines, model.getLinesToPosition().size()); | ||
|
||
final String testDataFileNameWithoutPostfix = FILE_NAME_TEST_DATA.replace(".java", ""); | ||
assertTrue(model.getText().contains(testDataFileNameWithoutPostfix)); | ||
|
||
final File expectedLastDirectory = new File(getPath("")); | ||
assertEquals(expectedLastDirectory, model.getLastDirectory()); | ||
|
||
assertNotNull(model.getParseTreeTableModel()); | ||
} | ||
} |