Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Extending Enum for UT using Mockito
/////////// changes for pom.xml
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-api-mockito</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-module-junit4</artifactId>
<version>1.6.2</version>
</dependency>
/////////// new imports
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.junit.runner.RunWith;
import org.mockito.internal.util.reflection.Whitebox;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import antlr.CommonHiddenStreamToken;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
/////////// Annotation for class with tests
@RunWith(PowerMockRunner.class)
@PrepareForTest(ImportOrderOption.class)
/////////// test itself
@Test
public void testVisitTokenSwitchReflection() throws Exception {
ImportOrderOption C = PowerMockito.mock(ImportOrderOption.class);
Whitebox.setInternalState(C, "name", "NEW_OPTION_FOR_UT");
Whitebox.setInternalState(C, "ordinal", 5);
PowerMockito.mockStatic(ImportOrderOption.class);
PowerMockito.when(ImportOrderOption.values()).thenReturn(new ImportOrderOption[]{
ImportOrderOption.TOP, ImportOrderOption.ABOVE, ImportOrderOption.INFLOW,
ImportOrderOption.UNDER, ImportOrderOption.BOTTOM, C});
PowerMockito.mockStatic(Enum.class);
PowerMockito.when(Enum.valueOf(ImportOrderOption.class,"TOP")).thenReturn(ImportOrderOption.TOP);
PowerMockito.when(Enum.valueOf(ImportOrderOption.class,"ABOVE")).thenReturn(ImportOrderOption.ABOVE);
PowerMockito.when(Enum.valueOf(ImportOrderOption.class,"INFLOW")).thenReturn(ImportOrderOption.INFLOW);
PowerMockito.when(Enum.valueOf(ImportOrderOption.class,"UNDER")).thenReturn(ImportOrderOption.UNDER);
PowerMockito.when(Enum.valueOf(ImportOrderOption.class,"BOTTOM")).thenReturn(ImportOrderOption.BOTTOM);
PowerMockito.when(Enum.valueOf(ImportOrderOption.class,"NEW_OPTION_FOR_UT")).thenReturn(C);
DetailAST astImport = mockAST(TokenTypes.IMPORT, "import", "mockfile", 0, 0);
DetailAST astIdent = mockAST(TokenTypes.IDENT, "myTestImport", "mockfile", 0, 0);
astImport.addChild(astIdent);
DetailAST astSemi = mockAST(TokenTypes.SEMI, ";", "mockfile", 0, 0);
astIdent.addNextSibling(astSemi);
ImportOrderCheck check = new ImportOrderCheck ();
check.setOption("NEW_OPTION_FOR_UT");
// expecting IllegalStateException
check.visitToken(astImport);
}
/////////// mocking method from test
/**
* Creates MOCK lexical token and returns AST node for this token
* @param tokenType type of token
* @param tokenText text of token
* @param tokenFileName file name of token
* @param tokenRow token position in a file (row)
* @param tokenColumn token position in a file (column)
* @return AST node for the token
*/
private static DetailAST mockAST(final int tokenType, final String tokenText,
final String tokenFileName, final int tokenRow, final int tokenColumn)
{
CommonHiddenStreamToken tokenImportSemi = new CommonHiddenStreamToken();
tokenImportSemi.setType(tokenType);
tokenImportSemi.setText(tokenText);
tokenImportSemi.setLine(tokenRow);
tokenImportSemi.setColumn(tokenColumn);
tokenImportSemi.setFilename(tokenFileName);
DetailAST astSemi = new DetailAST();
astSemi.initialize(tokenImportSemi);
return astSemi;
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.