replace "isConvertibleFrom" instance of check with PhpClassHierarchyUtils.processSupers

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/util/PhpElementsUtil.java

@@ -4,7 +4,6 @@
 import com.intellij.lang.ASTNode;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Ref;
-import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.patterns.ElementPattern;
 import com.intellij.patterns.PatternCondition;
 import com.intellij.patterns.PlatformPatterns;
@@ -48,8 +47,8 @@
 import fr.adrienbrault.idea.symfony2plugin.dic.MethodReferenceBag;
 import fr.adrienbrault.idea.symfony2plugin.util.psi.PsiElementAssertUtil;
 import kotlin.Pair;
-import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -788,24 +787,17 @@ static public PhpClass getClassInterface(Project project, @NotNull String classN
      * @param expectedClass eg DateTimeInterface
      */
     public static boolean isInstanceOf(@NotNull PhpClass subjectClass, @NotNull PhpClass expectedClass) {
-        Ref<Boolean> result = new Ref<>(false);
-
-        PhpClassHierarchyUtils.processSupers(subjectClass, true, true, superClass -> {
-            boolean b = StringUtil.equalsIgnoreCase(superClass.getFQN(), expectedClass.getFQN())
-                || StringUtil.equalsIgnoreCase(StringUtils.stripStart(superClass.getFQN(), "\\"), StringUtils.stripStart(expectedClass.getFQN(), "\\"));
-
-            if (b) {
-                result.set(true);
-            }
-
-            return !(Boolean)result.get();
-        });
-
-        if (result.get()) {
+        if (PhpLangUtil.equalsClassNames(subjectClass.getFQN(), expectedClass.getFQN())) {
             return true;
         }
 
-        return new PhpType().add(expectedClass).isConvertibleFrom(new PhpType().add(subjectClass), PhpIndex.getInstance(subjectClass.getProject()));
+        Ref<Boolean> ref = new Ref<>(false);
+        PhpClassHierarchyUtils.processSupers(subjectClass, false, true, curClass -> {
+            ref.set(PhpLangUtil.equalsClassNames(curClass.getFQN(), expectedClass.getFQN()));
+            return !(Boolean) ref.get();
+        });
+
+        return ref.get();
     }
 
     /**

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/util/PhpElementsUtilTest.java

@@ -118,25 +118,29 @@ public void testIsInstanceOf() {
         Collection<String[]> providers = new ArrayList<>() {{
             add(new String[]{"\\Instance\\Of\\Foo", "\\Instance\\Of\\Bar"});
             add(new String[]{"\\Instance\\Of\\Foo", "\\Instance\\Of\\Cool"});
+            add(new String[]{"\\Instance\\Of\\Foo", "\\Instance\\Of\\Apple"});
             add(new String[]{"\\Instance\\Of\\Car", "\\Instance\\Of\\Bar"});
             add(new String[]{"\\Instance\\Of\\Car", "\\Instance\\Of\\Foo"});
             add(new String[]{"\\Instance\\Of\\Car", "\\Instance\\Of\\Cool"});
+            add(new String[]{"\\Instance\\Of\\Car", "\\Instance\\Of\\Car"});
 
             // backslash
             add(new String[]{"Instance\\Of\\Car", "Instance\\Of\\Cool"});
             add(new String[]{"Instance\\Of\\Car", "\\Instance\\Of\\Cool"});
             add(new String[]{"\\Instance\\Of\\Car", "Instance\\Of\\Cool"});
 
-            // dups
             add(new String[]{"\\Instance\\Of\\Car", "Instance\\Of\\Apple"});
             add(new String[]{"\\Instance\\Of\\Foo", "Instance\\Of\\Apple"});
+            add(new String[]{"\\Instance\\Of\\Apple", "Instance\\Of\\Apple"});
         }};
 
         for (String[] provider : providers) {
-            assertTrue(PhpElementsUtil.isInstanceOf(getProject(), provider[0], provider[1]));
-            assertTrue(PhpElementsUtil.isInstanceOf(PhpElementsUtil.getClassInterface(getProject(), provider[0]), provider[1]));
+            String errorMessage = "'%s' not instance of '%s'".formatted(provider[0], provider[1]);
 
-            assertTrue(PhpElementsUtil.isInstanceOf(
+            assertTrue(errorMessage, PhpElementsUtil.isInstanceOf(getProject(), provider[0], provider[1]));
+            assertTrue(errorMessage, PhpElementsUtil.isInstanceOf(PhpElementsUtil.getClassInterface(getProject(), provider[0]), provider[1]));
+
+            assertTrue(errorMessage, PhpElementsUtil.isInstanceOf(
                 PhpElementsUtil.getClassInterface(getProject(), provider[0]),
                 PhpElementsUtil.getClassInterface(getProject(), provider[1])
             ));

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/util/fixtures/InstanceOf.php

@@ -1,19 +1,10 @@
 <?php
 
 namespace Instance\Of {
-    //duplicates
-    class Car implements \DateTime{}
-    class Foo implements \DateTime{}
-
-
     class Foo extends Cool implements Bar{}
-    interface Bar {}
-    class Car extends Foo{}
+    interface Bar extends Apple {}
+    class Car extends Foo implements Apple{}
     class Cool{}
 
-    //duplicates
-    class Car implements Apple{}
-    class Foo implements Apple{}
-
     interface Apple{}
 }