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#980 Add tests for the Strings class

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Filip Hrisafov 2016-12-02 21:08:05 +01:00
parent 3dac7d9f41
commit a20b077150
1 changed files with 99 additions and 0 deletions
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processor/src/test/java/org/mapstruct/ap/internal/util/StringsTest.java Normal file
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/**
* Copyright 2012-2016 Gunnar Morling (http://www.gunnarmorling.de/)
* and/or other contributors as indicated by the @authors tag. See the
* copyright.txt file in the distribution for a full listing of all
* contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mapstruct.ap.internal.util;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.Arrays;
import org.junit.Test;
/**
* @author Filip Hrisafov
*/
public class StringsTest {
@Test
public void testCapitalize() throws Exception {
assertThat( Strings.capitalize( null ) ).isNull();
assertThat( Strings.capitalize( "c" ) ).isEqualTo( "C" );
assertThat( Strings.capitalize( "capitalize" ) ).isEqualTo( "Capitalize" );
assertThat( Strings.capitalize( "AlreadyCapitalized" ) ).isEqualTo( "AlreadyCapitalized" );
assertThat( Strings.capitalize( "notCapitalized" ) ).isEqualTo( "NotCapitalized" );
}
@Test
public void testDecapitalize() throws Exception {
assertThat( Strings.decapitalize( null ) ).isNull();
assertThat( Strings.decapitalize( "c" ) ).isEqualTo( "c" );
assertThat( Strings.decapitalize( "capitalize" ) ).isEqualTo( "capitalize" );
assertThat( Strings.decapitalize( "AlreadyCapitalized" ) ).isEqualTo( "alreadyCapitalized" );
assertThat( Strings.decapitalize( "notCapitalized" ) ).isEqualTo( "notCapitalized" );
}
@Test
public void testJoin() throws Exception {
assertThat( Strings.join( new ArrayList<String>(), "-" ) ).isEqualTo( "" );
assertThat( Strings.join( Arrays.asList( "Hello", "World" ), "-" ) ).isEqualTo( "Hello-World" );
assertThat( Strings.join( Arrays.asList( "Hello" ), "-" ) ).isEqualTo( "Hello" );
}
@Test
public void testJoinAndCamelize() throws Exception {
assertThat( Strings.joinAndCamelize( new ArrayList<String>() ) ).isEqualTo( "" );
assertThat( Strings.joinAndCamelize( Arrays.asList( "Hello", "World" ) ) ).isEqualTo( "HelloWorld" );
assertThat( Strings.joinAndCamelize( Arrays.asList( "Hello", "world" ) ) ).isEqualTo( "HelloWorld" );
assertThat( Strings.joinAndCamelize( Arrays.asList( "hello", "world" ) ) ).isEqualTo( "helloWorld" );
}
@Test
public void testIsEmpty() throws Exception {
assertThat( Strings.isEmpty( null ) ).isTrue();
assertThat( Strings.isEmpty( "" ) ).isTrue();
assertThat( Strings.isEmpty( " " ) ).isFalse();
assertThat( Strings.isEmpty( "not empty" ) ).isFalse();
}
@Test
public void testGetSaveVariableNameWithArrayExistingVariables() throws Exception {
assertThat( Strings.getSaveVariableName( "int[]" ) ).isEqualTo( "intArray" );
assertThat( Strings.getSaveVariableName( "Extends" ) ).isEqualTo( "extends_" );
assertThat( Strings.getSaveVariableName( "class" ) ).isEqualTo( "class_" );
assertThat( Strings.getSaveVariableName( "Class" ) ).isEqualTo( "class_" );
assertThat( Strings.getSaveVariableName( "Case" ) ).isEqualTo( "case_" );
assertThat( Strings.getSaveVariableName( "Synchronized" ) ).isEqualTo( "synchronized_" );
assertThat( Strings.getSaveVariableName( "prop", "prop", "prop_" ) ).isEqualTo( "prop__" );
}
@Test
public void testGetSaveVariableNameWithCollection() throws Exception {
assertThat( Strings.getSaveVariableName( "int[]", new ArrayList<String>() ) ).isEqualTo( "intArray" );
assertThat( Strings.getSaveVariableName( "Extends", new ArrayList<String>() ) ).isEqualTo( "extends_" );
assertThat( Strings.getSaveVariableName( "prop", Arrays.asList( "prop", "prop_" ) ) ).isEqualTo( "prop__" );
assertThat( Strings.getSaveVariableName( "prop.font", Arrays.asList( "propFont", "propFont_" ) ) )
.isEqualTo( "propFont__" );
}
@Test
public void testSanitizeIdentifierName() throws Exception {
assertThat( Strings.sanitizeIdentifierName( "test" ) ).isEqualTo( "test" );
assertThat( Strings.sanitizeIdentifierName( "int[]" ) ).isEqualTo( "intArray" );
}
}