| package org.jf.smalidea.findUsages; |
| |
| import com.google.common.collect.Maps; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.impl.source.resolve.reference.impl.PsiMultiReference; |
| import com.intellij.testFramework.PsiTestCase; |
| import com.intellij.usages.impl.rules.UsageType; |
| import com.intellij.usages.impl.rules.UsageTypeProvider; |
| import org.jetbrains.annotations.NotNull; |
| import org.junit.Assert; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public abstract class UsageTypeTest extends PsiTestCase { |
| // e.g. <ref:1>, <ref:1234>, etc. |
| private static final Pattern REF_PATTERN = Pattern.compile("(<ref:([0-9]+)>)"); |
| |
| @NotNull |
| private final UsageTypeProvider usageTypeProvider; |
| |
| public UsageTypeTest(@NotNull UsageTypeProvider usageTypeProvider) { |
| this.usageTypeProvider = usageTypeProvider; |
| } |
| |
| protected void doTest(@NotNull String fileName, @NotNull String text, @NotNull Object... expectedUsageTypes) |
| throws Exception { |
| Assert.assertTrue(expectedUsageTypes.length % 2 == 0); |
| |
| Map<Integer, UsageType> expectedUsageTypesMap = Maps.newHashMap(); |
| for (int i=0; i<expectedUsageTypes.length; i+=2) { |
| expectedUsageTypesMap.put((Integer) expectedUsageTypes[i], (UsageType) expectedUsageTypes[i + 1]); |
| } |
| |
| PsiFile psiFile = createFile(fileName, REF_PATTERN.matcher(text).replaceAll("")); |
| Map<Integer, Integer> refIndexMap = getRefIndexes(text); |
| |
| for (Map.Entry<Integer, Integer> entry: refIndexMap.entrySet()) { |
| int refId = entry.getKey(); |
| int index = entry.getValue(); |
| |
| PsiReference reference = psiFile.getFirstChild().findReferenceAt(index); |
| Assert.assertNotNull(reference); |
| if (reference instanceof PsiMultiReference) { |
| // If there are multiple reference parents, the default seems to be the last one, |
| // i.e. the highest parent. We actually want the lowest one here. |
| reference = ((PsiMultiReference) reference).getReferences()[0]; |
| } |
| |
| UsageType usageType = usageTypeProvider.getUsageType(reference.getElement()); |
| Assert.assertNotNull(usageType); |
| Assert.assertSame(expectedUsageTypesMap.get(refId), usageType); |
| expectedUsageTypesMap.remove(refId); |
| } |
| Assert.assertTrue(expectedUsageTypesMap.isEmpty()); |
| } |
| |
| @NotNull |
| private Map<Integer, Integer> getRefIndexes(@NotNull String text) { |
| Matcher m = REF_PATTERN.matcher(text); |
| int correction = 0; |
| Map<Integer, Integer> refIndexes = new HashMap<Integer, Integer>(); |
| while (m.find()) { |
| int refId = Integer.parseInt(m.group(2)); |
| refIndexes.put(refId, m.start() - correction); |
| correction += m.end() - m.start(); |
| } |
| return refIndexes; |
| } |
| } |