Examples with ClassTree org.sonar.plugins.java.api.tree.ClassTree used on opensource projects

Example 21 with ClassTree

use of org.sonar.plugins.java.api.tree.ClassTree in project sonar-java by SonarSource.

the class ReassignmentFinderTest method outside_method.

@Test
public void outside_method() throws Exception {
    String code = newCode("int b;", "int foo() {", "  return b;", "}");
    ClassTree classTree = classTree(code);
    List<StatementTree> statements = ((MethodTree) classTree.members().get(1)).block().body();
    ExpressionTree variableDeclaration = ((VariableTree) (classTree.members().get(0))).initializer();
    assertThatLastReassignmentsOfReturnedVariableIsEqualTo(statements, variableDeclaration);
}

Example 22 with ClassTree

use of org.sonar.plugins.java.api.tree.ClassTree in project sonar-java by SonarSource.

the class DefaultJavaFileScannerContextTest method report_issue_on_tree_with_no_secondary.

@Test
public void report_issue_on_tree_with_no_secondary() {
    ClassTree tree = (ClassTree) compilationUnitTree.types().get(0);
    context.reportIssue(CHECK, tree.simpleName(), "msg", new ArrayList<>(), null);
    assertThat(reportedMessage.getMessage()).isEqualTo("msg");
    assertThat(reportedMessage.getCost()).isNull();
    assertThat(reportedMessage.flows).isEmpty();
    assertMessagePosition(reportedMessage, 1, 6, 1, 7);
}

Example 23 with ClassTree

use of org.sonar.plugins.java.api.tree.ClassTree in project sonar-java by SonarSource.

the class DefaultJavaFileScannerContextTest method report_issue_between_two_trees.

@Test
public void report_issue_between_two_trees() {
    ClassTree tree = (ClassTree) compilationUnitTree.types().get(0);
    VariableTree firstMember = (VariableTree) tree.members().get(0);
    VariableTree secondMember = (VariableTree) tree.members().get(1);
    context.reportIssue(CHECK, firstMember.simpleName(), secondMember.equalToken(), "msg");
    assertThat(reportedMessage.getMessage()).isEqualTo("msg");
    assertThat(reportedMessage.getCost()).isNull();
    assertThat(reportedMessage.flows).isEmpty();
    assertMessagePosition(reportedMessage, 2, 6, 3, 10);
}

Example 24 with ClassTree

use of org.sonar.plugins.java.api.tree.ClassTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method annotations.

@Test
public void annotations() {
    ClassTree tree = firstType("@SuppressWarnings(\"unchecked\") class T { }");
    List<AnnotationTree> annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    AnnotationTree annotation = annotations.get(0);
    assertThat(annotation.annotationType().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments().separators()).isEmpty();
    assertThat(annotation.arguments()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.STRING_LITERAL)).isTrue();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@Target( ) class U {}");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).isEmpty();
    assertThat(annotation.arguments().separators()).isEmpty();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@Target({ElementType.METHOD}) class U {}");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.NEW_ARRAY)).isTrue();
    assertThat(annotation.arguments().separators()).isEmpty();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@SuppressWarnings({\"hello\",}) class U {}");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.NEW_ARRAY)).isTrue();
    NewArrayTree arg = (NewArrayTree) annotation.arguments().get(0);
    assertThat(arg.initializers()).hasSize(1);
    assertThat(arg.initializers().get(0).is(Tree.Kind.STRING_LITERAL)).isTrue();
    assertThat(arg.initializers().separators()).hasSize(1);
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@Target(value={ElementType.METHOD}, value2=\"toto\") class T { }");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.annotationType().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).hasSize(2);
    assertThat(annotation.arguments().separators()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.ASSIGNMENT)).isTrue();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    VariableTree variable = (VariableTree) firstMethodFirstStatement("class T { private void meth() { @NonNullable String str;}}");
    assertThatChildrenIteratorHasSize(variable, 4);
    annotations = variable.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.annotationType().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(annotation.atToken()).isNotNull();
    assertThat(annotation.arguments()).isEmpty();
    assertThatChildrenIteratorHasSize(annotation, 3);
    annotations = compilationUnit("@PackageLevelAnnotation package blammy;").packageDeclaration().annotations();
    assertThat(annotations).hasSize(1);
    assertThat(annotations.get(0).atToken()).isNotNull();
    assertThat(annotation.arguments()).isEmpty();
    assertThatChildrenIteratorHasSize(annotation, 3);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { @Foo Integer foo; } }");
    assertThat(variable.modifiers().annotations()).hasSize(1);
    assertThat(variable.type().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(variable.type().annotations()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 4);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { @Foo java.lang.Integer foo; } }");
    assertThat(variable.modifiers().annotations()).hasSize(1);
    assertThat(variable.type().is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(variable.type().annotations()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 4);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { java.lang.@Foo Integer foo; } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThat(variable.type().is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(variable.type().annotations()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 4);
    assertThat(((MemberSelectExpressionTree) variable.type()).identifier().annotations()).hasSize(1);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.B.C foo = a.B.new @Foo C(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    TypeTree type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 2);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.b.C<Integer> foo = a.B.new @Foo C<Integer>(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 3);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.B.C foo = new @Foo a.B.C(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 4);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.b.C<Integer> foo = new @Foo a.b.C<Integer>(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 3);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { int[] foo = new @Foo int[42]; } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewArrayTree) variable.initializer()).type();
    assertThat(type.is(Tree.Kind.PRIMITIVE_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 2);
    variable = ((TryStatementTree) firstMethodFirstStatement("class T { private void m() { try{ } catch (@Foo E1 | E2 e) {}; } }")).catches().get(0).parameter();
    assertThat(variable.modifiers()).hasSize(1);
    assertThatChildrenIteratorHasSize(variable, 3);
    type = variable.type();
    assertThat(type.is(Tree.Kind.UNION_TYPE)).isTrue();
    assertThat(type.annotations()).isEmpty();
    assertThat(((UnionTypeTree) type).typeAlternatives().separators()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 1);
    ClassTree classTree = firstType("class T extends @Foo a.b.C {}");
    assertThat(classTree.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(classTree, 9);
    type = classTree.superClass();
    assertThat(type.is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 4);
    classTree = firstType("class T extends @Foo a.b.C<Integer> {}");
    assertThat(classTree.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(classTree, 9);
    type = classTree.superClass();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 3);
    classTree = (ClassTree) firstMethodFirstStatement("class MyClass<A, B, C> { void foo() { class MyOtherClass extends @Foo MyClass<A, B, C>.MyInnerClass {} } public class MyInnerClass {}}");
    assertThat(classTree.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(classTree, 9);
    type = classTree.superClass();
    assertThat(type.is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    type = (ParameterizedTypeTree) ((MemberSelectExpressionTree) type).expression();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(0);
    assertThatChildrenIteratorHasSize(type, 2);
    TypeCastTree typeCast = (TypeCastTree) ((ReturnStatementTree) firstMethodFirstStatement("class T { private long m(int a) { return (@Foo long) a; } }")).expression();
    assertThat(typeCast.type()).isNotNull();
    assertThatChildrenIteratorHasSize(typeCast, 5);
    type = typeCast.type();
    assertThat(type.is(Tree.Kind.PRIMITIVE_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 2);
}

Example 25 with ClassTree

use of org.sonar.plugins.java.api.tree.ClassTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method line_of_tree.

@Test
public void line_of_tree() throws Exception {
    CompilationUnitTree empty = compilationUnit("");
    assertThat(((JavaTree) empty).getLine()).isEqualTo(1);
    ClassTree classTree = firstType("class A {}");
    assertThat(((JavaTree) classTree).getLine()).isEqualTo(1);
    assertThat(((JavaTree) classTree.modifiers()).getLine()).isEqualTo(-1);
}