| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.commons.text; |
| |
| import static java.util.FormattableFlags.LEFT_JUSTIFY; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException; |
| import static org.assertj.core.api.Assertions.assertThatNullPointerException; |
| |
| import java.util.Formattable; |
| import java.util.Formatter; |
| |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Unit tests {@link FormattableUtils}. |
| */ |
| public class FormattableUtilsTest { |
| |
| static class SimplestFormattable implements Formattable { |
| private final String text; |
| |
| SimplestFormattable(final String text) { |
| this.text = text; |
| } |
| |
| @Override |
| public void formatTo(final Formatter formatter, final int flags, final int width, final int precision) { |
| formatter.format(text); |
| } |
| } |
| |
| private Formatter createFormatter() { |
| return new Formatter(); |
| } |
| |
| @Test |
| public void testAlternatePadCharacter() { |
| final char pad = '_'; |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, -1, pad).toString()).isEqualTo("foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, 2, pad).toString()).isEqualTo("fo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 4, -1, pad).toString()).isEqualTo("_foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 6, -1, pad).toString()).isEqualTo("___foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 3, 2, pad).toString()).isEqualTo("_fo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 5, 2, pad).toString()).isEqualTo("___fo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 4, -1, pad).toString()) |
| .isEqualTo("foo_"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 6, -1, pad).toString()) |
| .isEqualTo("foo___"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 3, 2, pad).toString()) |
| .isEqualTo("fo_"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 5, 2, pad).toString()) |
| .isEqualTo("fo___"); |
| } |
| |
| @Test |
| public void testAlternatePadCharAndEllipsis() { |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, -1, '_', "*").toString()).isEqualTo("foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, 2, '_', "*").toString()).isEqualTo("f*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 4, -1, '_', "*").toString()).isEqualTo("_foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 6, -1, '_', "*").toString()) |
| .isEqualTo("___foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 3, 2, '_', "*").toString()).isEqualTo("_f*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 5, 2, '_', "*").toString()).isEqualTo("___f*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 4, -1, '_', "*").toString()) |
| .isEqualTo("foo_"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 6, -1, '_', "*").toString()) |
| .isEqualTo("foo___"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 3, 2, '_', "*").toString()) |
| .isEqualTo("f*_"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 5, 2, '_', "*").toString()) |
| .isEqualTo("f*___"); |
| |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, -1, '_', "+*").toString()).isEqualTo("foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, 2, '_', "+*").toString()).isEqualTo("+*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 4, -1, '_', "+*").toString()).isEqualTo("_foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 6, -1, '_', "+*").toString()) |
| .isEqualTo("___foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 3, 2, '_', "+*").toString()).isEqualTo("_+*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 5, 2, '_', "+*").toString()).isEqualTo("___+*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 4, -1, '_', "+*").toString()) |
| .isEqualTo("foo_"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 6, -1, '_', "+*").toString()) |
| .isEqualTo("foo___"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 3, 2, '_', "+*").toString()) |
| .isEqualTo("+*_"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 5, 2, '_', "+*").toString()) |
| .isEqualTo("+*___"); |
| } |
| |
| @Test |
| public void testAppendWithNullFormatterAndIntsThrowsNullPointerException() { |
| assertThatNullPointerException().isThrownBy(() -> FormattableUtils.append("", null, 0, 0, 0, '}')); |
| } |
| |
| @Test |
| public void testDefaultAppend() { |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, -1).toString()).isEqualTo("foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, 2).toString()).isEqualTo("fo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 4, -1).toString()).isEqualTo(" foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 6, -1).toString()).isEqualTo(" foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 3, 2).toString()).isEqualTo(" fo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 5, 2).toString()).isEqualTo(" fo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 4, -1).toString()).isEqualTo("foo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 6, -1).toString()) |
| .isEqualTo("foo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 3, 2).toString()).isEqualTo("fo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 5, 2).toString()).isEqualTo("fo "); |
| } |
| |
| @Test |
| public void testEllipsis() { |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, -1, "*").toString()).isEqualTo("foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, 2, "*").toString()).isEqualTo("f*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 4, -1, "*").toString()).isEqualTo(" foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 6, -1, "*").toString()).isEqualTo(" foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 3, 2, "*").toString()).isEqualTo(" f*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 5, 2, "*").toString()).isEqualTo(" f*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 4, -1, "*").toString()) |
| .isEqualTo("foo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 6, -1, "*").toString()) |
| .isEqualTo("foo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 3, 2, "*").toString()) |
| .isEqualTo("f* "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 5, 2, "*").toString()) |
| .isEqualTo("f* "); |
| |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, -1, "+*").toString()).isEqualTo("foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, -1, 2, "+*").toString()).isEqualTo("+*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 4, -1, "+*").toString()).isEqualTo(" foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 6, -1, "+*").toString()).isEqualTo(" foo"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 3, 2, "+*").toString()).isEqualTo(" +*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), 0, 5, 2, "+*").toString()).isEqualTo(" +*"); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 4, -1, "+*").toString()) |
| .isEqualTo("foo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 6, -1, "+*").toString()) |
| .isEqualTo("foo "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 3, 2, "+*").toString()) |
| .isEqualTo("+* "); |
| assertThat(FormattableUtils.append("foo", createFormatter(), LEFT_JUSTIFY, 5, 2, "+*").toString()) |
| .isEqualTo("+* "); |
| } |
| |
| @Test |
| public void testIllegalEllipsis() { |
| assertThatIllegalArgumentException().isThrownBy(() -> FormattableUtils.append("foo", createFormatter(), 0, -1, 1, "xx")); |
| } |
| |
| @Test |
| public void testPublicConstructorExists() { |
| new FormattableUtils(); |
| } |
| |
| @Test |
| public void testSimplestFormat() { |
| final Formattable formattable = new SimplestFormattable("foo"); |
| |
| assertThat(FormattableUtils.toString(formattable)).isEqualTo("foo"); |
| } |
| |
| } |