Files
openide/java/java-tests/testSrc/com/intellij/codeInsight/JavaCheckRegexpWithFlagsTest.java
T
2017-04-28 10:04:05 +02:00

104 lines
4.1 KiB
Java

/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* 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.intellij.codeInsight;
import com.intellij.ide.highlighter.JavaFileType;
import com.intellij.lang.LanguageParserDefinitions;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiLanguageInjectionHost;
import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.testFramework.IdeaTestUtil;
import com.intellij.testFramework.PsiTestUtil;
import com.intellij.util.ArrayUtil;
import org.intellij.lang.regexp.RegExpLanguage;
import org.intellij.lang.regexp.RegExpParserDefinition;
import org.intellij.lang.regexp.intention.CheckRegExpForm;
import org.jetbrains.annotations.NotNull;
import java.util.regex.Pattern;
public class JavaCheckRegexpWithFlagsTest extends CodeInsightTestCase {
private static String getJavaText(@NotNull String regExp, int flags) {
return "import java.util.regex.Pattern;\n" +
"\n" +
"public class Test {\n" +
" public void foo() {\n" +
" Pattern.compile(\"<caret>" + regExp + "\", " + flags + ");\n" +
" }\n" +
"}\n";
}
private void defaultTest(@NotNull String regExp, int flags, @NotNull String[] matching, @NotNull String[] nonMatching) throws Exception {
LanguageParserDefinitions.INSTANCE.addExplicitExtension(RegExpLanguage.INSTANCE,
new RegExpParserDefinition());
// the 1.8 mock jdk has the needed Pattern class
PsiTestUtil.removeAllRoots(myModule, IdeaTestUtil.getMockJdk18());
configureByText(JavaFileType.INSTANCE, getJavaText(regExp, flags));
final PsiFile regexpFile = setUpRegexpInjectionAndGetRegexpFile();
for (String text : matching) {
assertTrue("Text '" + text + "' should match", CheckRegExpForm.isMatchingTextTest(regexpFile, text));
}
for (String text : nonMatching) {
assertFalse("Text '" + text + "' should not match", CheckRegExpForm.isMatchingTextTest(regexpFile, text));
}
}
@NotNull
private PsiFile setUpRegexpInjectionAndGetRegexpFile() {
final PsiFile file = getFile();
int offsetWithRegexp = file.getText().indexOf("Pattern.compile(\"")
+ "Pattern.compile(\"".length();
final PsiElement stringLiteralLeaf = file.findElementAt(offsetWithRegexp);
assertNotNull(stringLiteralLeaf);
assertNotNull(stringLiteralLeaf.getParent());
assertTrue(stringLiteralLeaf.getParent() instanceof PsiLanguageInjectionHost);
final PsiLanguageInjectionHost elementWithInjection = ((PsiLanguageInjectionHost)stringLiteralLeaf.getParent());
InjectedLanguageUtil.enumerate(elementWithInjection, file, false, (injectedPsi, places) -> {
});
assertTrue(InjectedLanguageUtil.hasInjections(elementWithInjection));
final PsiElement elementInInjected =
InjectedLanguageUtil.findElementInInjected(elementWithInjection, offsetWithRegexp);
final PsiFile regexpFile = PsiTreeUtil.getParentOfType(elementInInjected, PsiFile.class);
assertNotNull(regexpFile);
return regexpFile;
}
public void testSimple() throws Exception {
defaultTest("abc|def|xy.", 0, new String[]{"abc", "def", "xyz"}, new String[]{"", "abcd", "Abc", "xy\n"});
}
public void testEnsureFlagsParameterIsUsed() throws Exception {
defaultTest("abc|def|xy.", Pattern.DOTALL, new String[]{"xyz", "xy\n"}, ArrayUtil.EMPTY_STRING_ARRAY);
}
public void testEnsureJavaNotRubyModeIsEnabled() throws Exception {
defaultTest("(?ms:^abc$.*)|(?m:xy.)", 0, new String[]{"abc", "abc\na", "xyz"}, new String[]{"xy\n"});
}
}