/
CommandLineOptionsParserTest.java
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/
CommandLineOptionsParserTest.java
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/*
* Copyright 2016 Google Inc.
*
* 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.googlejavaformat.java;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.UTF_8;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Range;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** {@link CommandLineOptionsParser}Test */
@RunWith(JUnit4.class)
public class CommandLineOptionsParserTest {
@Rule public TemporaryFolder testFolder = new TemporaryFolder();
@Test
public void defaults() {
CommandLineOptions options = CommandLineOptionsParser.parse(ImmutableList.of());
assertThat(options.files()).isEmpty();
assertThat(options.stdin()).isFalse();
assertThat(options.aosp()).isFalse();
assertThat(options.help()).isFalse();
assertThat(options.lengths()).isEmpty();
assertThat(options.lines().asRanges()).isEmpty();
assertThat(options.offsets()).isEmpty();
assertThat(options.inPlace()).isFalse();
assertThat(options.version()).isFalse();
assertThat(options.sortImports()).isTrue();
assertThat(options.removeUnusedImports()).isTrue();
assertThat(options.dryRun()).isFalse();
assertThat(options.setExitIfChanged()).isFalse();
assertThat(options.reflowLongStrings()).isTrue();
assertThat(options.formatJavadoc()).isTrue();
}
@Test
public void hello() {
CommandLineOptions options =
CommandLineOptionsParser.parse(
Arrays.asList("-lines=1:10,20:30", "-i", "Hello.java", "Goodbye.java"));
assertThat(options.lines().asRanges())
.containsExactly(Range.closedOpen(0, 10), Range.closedOpen(19, 30));
assertThat(options.inPlace()).isTrue();
assertThat(options.files()).containsExactly("Hello.java", "Goodbye.java");
}
@Test
public void stdin() {
assertThat(CommandLineOptionsParser.parse(Arrays.asList("-")).stdin()).isTrue();
}
@Test
public void aosp() {
assertThat(CommandLineOptionsParser.parse(Arrays.asList("-aosp")).aosp()).isTrue();
}
@Test
public void help() {
assertThat(CommandLineOptionsParser.parse(Arrays.asList("-help")).help()).isTrue();
}
@Test
public void lengths() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("-length", "1", "--length", "2"))
.lengths())
.containsExactly(1, 2);
}
@Test
public void lines() {
assertThat(
CommandLineOptionsParser.parse(
Arrays.asList("--lines", "1:2", "-lines=4:5", "--line", "7:8", "-line=10:11"))
.lines()
.asRanges())
.containsExactly(
Range.closedOpen(0, 2),
Range.closedOpen(3, 5),
Range.closedOpen(6, 8),
Range.closedOpen(9, 11));
}
@Test
public void offset() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("-offset", "1", "--offset", "2"))
.offsets())
.containsExactly(1, 2);
}
@Test
public void inPlace() {
assertThat(CommandLineOptionsParser.parse(Arrays.asList("-i", "A.java")).inPlace()).isTrue();
}
@Test
public void version() {
assertThat(CommandLineOptionsParser.parse(Arrays.asList("-v")).version()).isTrue();
}
@Test
public void skipSortingImports() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("--skip-sorting-imports")).sortImports())
.isFalse();
}
@Test
public void skipRemovingUnusedImports() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("--skip-removing-unused-imports"))
.removeUnusedImports())
.isFalse();
}
@Test
public void dryRun() {
assertThat(CommandLineOptionsParser.parse(Arrays.asList("--dry-run")).dryRun()).isTrue();
assertThat(CommandLineOptionsParser.parse(Arrays.asList("-n")).dryRun()).isTrue();
}
@Test
public void setExitIfChanged() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("--set-exit-if-changed"))
.setExitIfChanged())
.isTrue();
}
@Test
public void mergedLines() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("-lines=1:5", "-lines=2:8"))
.lines()
.asRanges())
.containsExactly(Range.closedOpen(0, 8));
}
@Test
public void paramsFile() throws IOException {
Path outer = testFolder.newFile("outer").toPath();
Path exit = testFolder.newFile("exit").toPath();
Path nested = testFolder.newFile("nested").toPath();
String[] args = {"--dry-run", "@" + exit, "L", "@" + outer, "Q"};
Files.write(exit, "--set-exit-if-changed".getBytes(UTF_8));
Files.write(outer, ("M\n@" + nested.toAbsolutePath() + "\nP").getBytes(UTF_8));
Files.write(nested, "ℕ\n\n \n@@O\n".getBytes(UTF_8));
CommandLineOptions options = CommandLineOptionsParser.parse(Arrays.asList(args));
assertThat(options.files()).containsExactly("L", "M", "ℕ", "@O", "P", "Q");
}
@Test
public void assumeFilename() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("--assume-filename", "Foo.java"))
.assumeFilename())
.hasValue("Foo.java");
assertThat(CommandLineOptionsParser.parse(Arrays.asList("Foo.java")).assumeFilename())
.isEmpty();
}
@Test
public void skipReflowLongStrings() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("--skip-reflowing-long-strings"))
.reflowLongStrings())
.isFalse();
}
@Test
public void skipJavadocFormatting() {
assertThat(
CommandLineOptionsParser.parse(Arrays.asList("--skip-javadoc-formatting"))
.formatJavadoc())
.isFalse();
}
}