tools/aapt2/link/XmlNamespaceRemover_test.cpp

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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.
 */

#include "link/Linkers.h"
#include "test/Test.h"

namespace aapt {

class XmlUriTestVisitor : public xml::Visitor {
public:
    void visit(xml::Element* el) override {
        for (const auto& attr : el->attributes) {
            EXPECT_EQ(std::string(), attr.namespaceUri);
        }
        EXPECT_EQ(std::string(), el->namespaceUri);
        xml::Visitor::visit(el);
    }

    void visit(xml::Namespace* ns) override {
        EXPECT_EQ(std::string(), ns->namespaceUri);
        xml::Visitor::visit(ns);
    }
};

class XmlNamespaceTestVisitor : public xml::Visitor {
public:
    void visit(xml::Namespace* ns) override {
        ADD_FAILURE() << "Detected namespace: "
                << ns->namespacePrefix << "=\"" << ns->namespaceUri << "\"";
        xml::Visitor::visit(ns);
    }
};

class XmlNamespaceRemoverTest : public ::testing::Test {
public:
    void SetUp() override {
        mContext = test::ContextBuilder()
                .setCompilationPackage("com.app.test")
                .build();
    }

protected:
    std::unique_ptr<IAaptContext> mContext;
};

TEST_F(XmlNamespaceRemoverTest, RemoveUris) {
    std::unique_ptr<xml::XmlResource> doc = test::buildXmlDomForPackageName(mContext.get(), R"EOF(
            <View xmlns:android="http://schemas.android.com/apk/res/android"
                  android:text="hello" />)EOF");

    XmlNamespaceRemover remover;
    ASSERT_TRUE(remover.consume(mContext.get(), doc.get()));

    xml::Node* root = doc.get()->root.get();
    ASSERT_NE(root, nullptr);

    XmlUriTestVisitor visitor;
    root->accept(&visitor);
}

TEST_F(XmlNamespaceRemoverTest, RemoveNamespaces) {
    std::unique_ptr<xml::XmlResource> doc = test::buildXmlDomForPackageName(mContext.get(), R"EOF(
            <View xmlns:android="http://schemas.android.com/apk/res/android"
                  xmlns:foo="http://schemas.android.com/apk/res/foo"
                  foo:bar="foobar"
                  android:text="hello" />)EOF");

    XmlNamespaceRemover remover;
    ASSERT_TRUE(remover.consume(mContext.get(), doc.get()));

    xml::Node* root = doc.get()->root.get();
    ASSERT_NE(root, nullptr);

    XmlNamespaceTestVisitor visitor;
    root->accept(&visitor);
}

TEST_F(XmlNamespaceRemoverTest, RemoveNestedNamespaces) {
    std::unique_ptr<xml::XmlResource> doc = test::buildXmlDomForPackageName(mContext.get(), R"EOF(
            <View xmlns:android="http://schemas.android.com/apk/res/android"
                  android:text="hello">
              <View xmlns:foo="http://schemas.example.com/foo"
                    android:text="foo"/>
            </View>)EOF");

    XmlNamespaceRemover remover;
    ASSERT_TRUE(remover.consume(mContext.get(), doc.get()));

    xml::Node* root = doc.get()->root.get();
    ASSERT_NE(root, nullptr);

    XmlNamespaceTestVisitor visitor;
    root->accept(&visitor);
}

} // namespace aapt