| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.common.options; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.devtools.common.options.Converters.PercentageConverter; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * A test for {@link PercentageConverter}. |
| */ |
| @RunWith(JUnit4.class) |
| public final class PercentageConverterTest { |
| |
| private final PercentageConverter converter = new PercentageConverter(); |
| |
| @Test |
| public void shouldReturnIntegerValue() throws Exception { |
| Integer percentage = 50; |
| assertEquals(percentage, converter.convert(Integer.toString(percentage))); |
| } |
| |
| @Test |
| public void throwsExceptionWhenInputIsLessThanZero() { |
| OptionsParsingException e = |
| assertThrows(OptionsParsingException.class, () -> converter.convert("-1")); |
| assertThat(e).hasMessageThat().isEqualTo("'-1' should be >= 0"); |
| } |
| |
| @Test |
| public void throwsExceptionWhenInputIsGreaterThanHundred() { |
| OptionsParsingException e = |
| assertThrows(OptionsParsingException.class, () -> converter.convert("101")); |
| assertThat(e).hasMessageThat().isEqualTo("'101' should be <= 100"); |
| } |
| |
| @Test |
| public void throwsExceptionWhenInputIsNotANumber() { |
| OptionsParsingException e = |
| assertThrows( |
| OptionsParsingException.class, () -> converter.convert("oops - not a number.")); |
| assertThat(e).hasMessageThat().isEqualTo("'oops - not a number.' is not an int"); |
| } |
| } |