inspection for named arguments in yaml

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/config/yaml/YamlElementPatternHelper.java

@@ -126,6 +126,23 @@ public static ElementPattern<PsiElement> getSingleLineScalarKey(String... keyNam
         );
     }
 
+    public static ElementPattern<PsiElement> getNamedArgumentPattern() {
+        return PlatformPatterns
+            .psiElement(YAMLTokenTypes.SCALAR_KEY).withText(PlatformPatterns.string().startsWith("$"))
+            .withParent(
+                PlatformPatterns.psiElement(YAMLKeyValue.class)
+                    .withParent(PlatformPatterns.psiElement(YAMLMapping.class)
+                        .withParent(PlatformPatterns.psiElement(YAMLKeyValue.class).with(new PatternCondition<>("YAMLKeyValue: with key 'arguments'") {
+                            @Override
+                            public boolean accepts(@NotNull YAMLKeyValue yamlKeyValue, ProcessingContext context) {
+                                return "arguments".equals(yamlKeyValue.getKeyText());
+                            }
+                        }))
+                    )
+            )
+            .withLanguage(YAMLLanguage.INSTANCE);
+    }
+
     public static ElementPattern<PsiElement> getSingleLineText() {
         return
             PlatformPatterns

src/main/java/fr/adrienbrault/idea/symfony2plugin/dic/container/util/ServiceContainerUtil.java

@@ -545,6 +545,44 @@ public static Parameter getYamlNamedArgument(@NotNull PsiElement psiElement, @No
         return null;
     }
 
+    /**
+     * arguments: ['$foobar': '@foo']
+     */
+    public static boolean hasMissingYamlNamedArgumentForInspection(@NotNull PsiElement psiElement, @NotNull ContainerCollectionResolver.LazyServiceCollector lazyServiceCollector) {
+        PsiElement context = psiElement.getContext();
+        if(context instanceof YAMLKeyValue) {
+            // arguments: ['$foobar': '@foo']
+
+            String parameterName = ((YAMLKeyValue) context).getKeyText();
+            if(parameterName.startsWith("$") && parameterName.length() > 1) {
+                PsiElement yamlMapping = context.getParent();
+                if(yamlMapping instanceof YAMLMapping) {
+                    PsiElement yamlKeyValue = yamlMapping.getParent();
+                    if(yamlKeyValue instanceof YAMLKeyValue) {
+                        String keyText = ((YAMLKeyValue) yamlKeyValue).getKeyText();
+                        if(keyText.equals("arguments")) {
+                            YAMLMapping parentMapping = ((YAMLKeyValue) yamlKeyValue).getParentMapping();
+                            if(parentMapping != null) {
+                                String serviceId = getServiceClassFromServiceMapping(parentMapping);
+                                if(StringUtils.isNotBlank(serviceId)) {
+                                    PhpClass serviceClass = ServiceUtil.getResolvedClassDefinition(psiElement.getProject(), serviceId, lazyServiceCollector);
+                                    // class not found don't need a hint
+                                    if (serviceClass == null) {
+                                        return false;
+                                    }
+
+                                    return PhpElementsUtil.getConstructorParameterArgumentByName(serviceClass, StringUtils.stripStart(parameterName, "$")) == null;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
+
     /**
      * services:
      *  _defaults:

src/main/java/fr/adrienbrault/idea/symfony2plugin/dic/inspection/ServiceNamedArgumentExistsInspection.java

@@ -0,0 +1,61 @@
+package fr.adrienbrault.idea.symfony2plugin.dic.inspection;
+
+import com.intellij.codeInspection.LocalInspectionTool;
+import com.intellij.codeInspection.ProblemHighlightType;
+import com.intellij.codeInspection.ProblemsHolder;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiElementVisitor;
+import fr.adrienbrault.idea.symfony2plugin.Symfony2ProjectComponent;
+import fr.adrienbrault.idea.symfony2plugin.config.yaml.YamlElementPatternHelper;
+import fr.adrienbrault.idea.symfony2plugin.dic.container.util.ServiceContainerUtil;
+import fr.adrienbrault.idea.symfony2plugin.stubs.ContainerCollectionResolver;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.yaml.psi.YAMLKeyValue;
+import org.jetbrains.yaml.psi.YAMLMapping;
+
+/**
+ * @author Daniel Espendiller <daniel@espendiller.net>
+ */
+public class ServiceNamedArgumentExistsInspection extends LocalInspectionTool {
+    public static final String INSPECTION_MESSAGE = "Symfony: named argument does not exists";
+
+    @NotNull
+    public PsiElementVisitor buildVisitor(final @NotNull ProblemsHolder holder, boolean isOnTheFly) {
+        if (!Symfony2ProjectComponent.isEnabled(holder.getProject())) {
+            return super.buildVisitor(holder, isOnTheFly);
+        }
+
+        return new PsiElementVisitor() {
+            @Override
+            public void visitElement(@NotNull PsiElement element) {
+                if (YamlElementPatternHelper.getNamedArgumentPattern().accepts(element)) {
+                    if (isSupportedDefinition(element) && ServiceContainerUtil.hasMissingYamlNamedArgumentForInspection(element, new ContainerCollectionResolver.LazyServiceCollector(element.getProject()))) {
+                        holder.registerProblem(element, INSPECTION_MESSAGE, ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
+                    }
+                }
+
+                super.visitElement(element);
+            }
+        };
+    }
+
+    private boolean isSupportedDefinition(@NotNull PsiElement element) {
+        PsiElement context = element.getContext();
+
+        if (context instanceof YAMLKeyValue) {
+            // arguments: ['$foobar': '@foo']
+            PsiElement yamlMapping = context.getParent();
+            if (yamlMapping instanceof YAMLMapping) {
+                PsiElement yamlKeyValue = yamlMapping.getParent();
+                if (yamlKeyValue instanceof YAMLKeyValue) {
+                    YAMLMapping parentMapping = ((YAMLKeyValue) yamlKeyValue).getParentMapping();
+                    if (parentMapping != null) {
+                        return parentMapping.getKeyValueByKey("factory") == null;
+                    }
+                }
+            }
+        }
+
+        return true;
+    }
+}

src/main/resources/META-INF/plugin.xml

@@ -501,6 +501,12 @@
                          level="WARNING"
                          implementationClass="fr.adrienbrault.idea.symfony2plugin.routing.RouteControllerDeprecatedInspection"/>
 
+        <localInspection groupPath="Symfony" shortName="ServiceNamedArgumentExistsInspection" displayName="Symfony: Argument does not exists"
+                         groupName="Service"
+                         enabledByDefault="true"
+                         level="WARNING"
+                         implementationClass="fr.adrienbrault.idea.symfony2plugin.dic.inspection.ServiceNamedArgumentExistsInspection"/>
+
         <intentionAction>
             <className>fr.adrienbrault.idea.symfony2plugin.intentions.php.PhpServiceIntention</className>
             <category>PHP</category>

src/main/resources/inspectionDescriptions/ServiceNamedArgumentExistsInspection.html

@@ -0,0 +1,5 @@
+<html>
+<body>
+<!-- tooltip end -->
+</body>
+</html>

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/inspection/ServiceNamedArgumentExistsInspectionTest.java

@@ -0,0 +1,45 @@
+package fr.adrienbrault.idea.symfony2plugin.tests.dic.inspection;
+
+import fr.adrienbrault.idea.symfony2plugin.dic.inspection.ServiceNamedArgumentExistsInspection;
+import fr.adrienbrault.idea.symfony2plugin.tests.SymfonyLightCodeInsightFixtureTestCase;
+
+/**
+ * @author Daniel Espendiller <daniel@espendiller.net>
+ */
+public class ServiceNamedArgumentExistsInspectionTest extends SymfonyLightCodeInsightFixtureTestCase {
+    public void setUp() throws Exception {
+        super.setUp();
+        myFixture.copyFileToProject("classes.php");
+        myFixture.copyFileToProject("services.xml");
+    }
+
+    public String getTestDataPath() {
+        return "src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/inspection/fixtures";
+    }
+
+    public void testMissingArgumentForYaml() {
+        assertLocalInspectionContains("foo.yml",
+            "Foobar\\NamedArgument:\n" +
+                "        arguments:\n" +
+                "            $foo<caret>bar1: ~",
+            ServiceNamedArgumentExistsInspection.INSPECTION_MESSAGE
+        );
+
+        assertLocalInspectionNotContains("foo.yml",
+            "Foobar\\UnknownClassNamedArgument:\n" +
+                "        arguments:\n" +
+                "            $foo<caret>bar: ~",
+            ServiceNamedArgumentExistsInspection.INSPECTION_MESSAGE
+        );
+    }
+
+    public void testMissingArgumentForFactoryServiceIsNotTriggeredYaml() {
+        assertLocalInspectionNotContains("foo.yml",
+            "Foobar\\NamedArgument:\n" +
+                "        factory: ~\n" +
+                "        arguments:\n" +
+                "            $foo<caret>bar1: ~",
+            ServiceNamedArgumentExistsInspection.INSPECTION_MESSAGE
+        );
+    }
+}

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/dic/inspection/fixtures/classes.php

@@ -14,4 +14,11 @@ class Car
     {
         const FOOBAR = null;
     }
+
+    class NamedArgument
+    {
+        public function __construct($foobar)
+        {
+        }
+    }
 }