1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "SourceXmlPullParser.h"
18 #include "BindingXmlPullParser.h"
19
20 #include <gtest/gtest.h>
21 #include <sstream>
22 #include <string>
23
24 namespace aapt {
25
26 constexpr const char16_t* kAndroidNamespaceUri = u"http://schemas.android.com/apk/res/android";
27
TEST(BindingXmlPullParserTest,SubstituteBindingExpressionsWithTag)28 TEST(BindingXmlPullParserTest, SubstituteBindingExpressionsWithTag) {
29 std::stringstream input;
30 input << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
31 << "<LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n"
32 << " xmlns:bind=\"http://schemas.android.com/apk/binding\"\n"
33 << " android:id=\"@+id/content\">\n"
34 << " <variable name=\"user\" type=\"com.android.test.User\"/>\n"
35 << " <TextView android:text=\"@{user.name}\" android:layout_width=\"wrap_content\"\n"
36 << " android:layout_height=\"wrap_content\"/>\n"
37 << "</LinearLayout>\n";
38 std::shared_ptr<XmlPullParser> sourceParser = std::make_shared<SourceXmlPullParser>(input);
39 BindingXmlPullParser parser(sourceParser);
40
41 ASSERT_EQ(XmlPullParser::Event::kStartNamespace, parser.next());
42 EXPECT_EQ(std::u16string(u"http://schemas.android.com/apk/res/android"),
43 parser.getNamespaceUri());
44
45 ASSERT_EQ(XmlPullParser::Event::kStartElement, parser.next());
46 EXPECT_EQ(std::u16string(u"LinearLayout"), parser.getElementName());
47
48 while (parser.next() == XmlPullParser::Event::kText) {}
49
50 ASSERT_EQ(XmlPullParser::Event::kStartElement, parser.getEvent());
51 EXPECT_EQ(std::u16string(u"TextView"), parser.getElementName());
52
53 ASSERT_EQ(3u, parser.getAttributeCount());
54 const auto endAttr = parser.endAttributes();
55 EXPECT_NE(endAttr, parser.findAttribute(kAndroidNamespaceUri, u"layout_width"));
56 EXPECT_NE(endAttr, parser.findAttribute(kAndroidNamespaceUri, u"layout_height"));
57 EXPECT_NE(endAttr, parser.findAttribute(kAndroidNamespaceUri, u"tag"));
58
59 while (parser.next() == XmlPullParser::Event::kText) {}
60
61 ASSERT_EQ(XmlPullParser::Event::kEndElement, parser.getEvent());
62
63 while (parser.next() == XmlPullParser::Event::kText) {}
64
65 ASSERT_EQ(XmlPullParser::Event::kEndElement, parser.getEvent());
66 ASSERT_EQ(XmlPullParser::Event::kEndNamespace, parser.next());
67 }
68
TEST(BindingXmlPullParserTest,GenerateVariableDeclarations)69 TEST(BindingXmlPullParserTest, GenerateVariableDeclarations) {
70 std::stringstream input;
71 input << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
72 << "<LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n"
73 << " xmlns:bind=\"http://schemas.android.com/apk/binding\"\n"
74 << " android:id=\"@+id/content\">\n"
75 << " <variable name=\"user\" type=\"com.android.test.User\"/>\n"
76 << "</LinearLayout>\n";
77 std::shared_ptr<XmlPullParser> sourceParser = std::make_shared<SourceXmlPullParser>(input);
78 BindingXmlPullParser parser(sourceParser);
79
80 while (XmlPullParser::isGoodEvent(parser.next())) {
81 ASSERT_NE(XmlPullParser::Event::kBadDocument, parser.getEvent());
82 }
83
84 std::stringstream output;
85 ASSERT_TRUE(parser.writeToFile(output));
86
87 std::string result = output.str();
88 EXPECT_NE(std::string::npos,
89 result.find("<entries name=\"user\" type=\"com.android.test.User\"/>"));
90 }
91
TEST(BindingXmlPullParserTest,FailOnMissingNameOrTypeInVariableDeclaration)92 TEST(BindingXmlPullParserTest, FailOnMissingNameOrTypeInVariableDeclaration) {
93 std::stringstream input;
94 input << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
95 << "<LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n"
96 << " xmlns:bind=\"http://schemas.android.com/apk/binding\"\n"
97 << " android:id=\"@+id/content\">\n"
98 << " <variable name=\"user\"/>\n"
99 << "</LinearLayout>\n";
100 std::shared_ptr<XmlPullParser> sourceParser = std::make_shared<SourceXmlPullParser>(input);
101 BindingXmlPullParser parser(sourceParser);
102
103 while (XmlPullParser::isGoodEvent(parser.next())) {}
104
105 EXPECT_EQ(XmlPullParser::Event::kBadDocument, parser.getEvent());
106 EXPECT_FALSE(parser.getLastError().empty());
107 }
108
109
110 } // namespace aapt
111