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Delta Between Two Patch Sets: test/JsEngine.cpp

Issue 10296001: Implement File API (Closed)
Left Patch Set: Created April 12, 2013, 10:10 a.m.
Right Patch Set: Addressed the new issues Created April 16, 2013, 1:37 p.m.
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1 #include <AdblockPlus.h> 1 #include <AdblockPlus.h>
2 #include <fstream> 2 #include <fstream>
3 #include <gtest/gtest.h> 3 #include <gtest/gtest.h>
4 #include <sstream> 4 #include <sstream>
5 5
6 class BaseFileSystem : public AdblockPlus::FileSystem 6 class BaseFileSystem : public AdblockPlus::FileSystem
7 { 7 {
8 void Write(const std::string& path, const std::string& content) 8 void Write(const std::string& path,
9 std::tr1::shared_ptr<std::ostream> content)
9 { 10 {
10 throw std::runtime_error("Write is not implemented"); 11 throw std::runtime_error("Write is not implemented");
11 } 12 }
12 13
13 void Move(const std::string& fromPath, const std::string& toPath) 14 void Move(const std::string& fromPath, const std::string& toPath)
14 { 15 {
15 throw std::runtime_error("Move is not implemented"); 16 throw std::runtime_error("Move is not implemented");
16 } 17 }
17 18
18 void Remove(const std::string& path) 19 void Remove(const std::string& path)
19 { 20 {
20 throw std::runtime_error("Remove is not implemented"); 21 throw std::runtime_error("Remove is not implemented");
21 } 22 }
22 23
23 StatResult Stat(const std::string& path) const 24 StatResult Stat(const std::string& path) const
24 { 25 {
25 throw std::runtime_error("Stat is not implemented"); 26 throw std::runtime_error("Stat is not implemented");
26 } 27 }
27 }; 28 };
28 29
29 class ThrowingFileSystem : public BaseFileSystem
30 {
31 public:
32 std::auto_ptr<std::istream> Read(const std::string& path) const
33 {
34 throw std::runtime_error("Unexpected read of file: " + path);
35 }
36 };
37
38 class ThrowingErrorCallback : public AdblockPlus::ErrorCallback 30 class ThrowingErrorCallback : public AdblockPlus::ErrorCallback
39 { 31 {
40 public: 32 public:
41 void operator()(const std::string& message) 33 void operator()(const std::string& message)
42 { 34 {
43 throw std::runtime_error("Unexpected error: " + message); 35 throw std::runtime_error("Unexpected error: " + message);
44 } 36 }
45 }; 37 };
46 38
47 class StubFileSystem : public BaseFileSystem 39 class StubFileSystem : public BaseFileSystem
48 { 40 {
49 public: 41 public:
50 std::auto_ptr<std::istream> Read(const std::string& path) const 42 std::tr1::shared_ptr<std::istream> Read(const std::string& path) const
51 { 43 {
52 std::stringstream* const source = new std::stringstream; 44 std::stringstream* const source = new std::stringstream;
53 *source << "function hello() { return 'Hello'; }"; 45 *source << "function hello() { return 'Hello'; }";
54 return std::auto_ptr<std::istream>(source); 46 return std::tr1::shared_ptr<std::istream>(source);
55 } 47 }
56 }; 48 };
57 49
58 class BadFileSystem : public BaseFileSystem 50 class BadFileSystem : public BaseFileSystem
59 { 51 {
60 public: 52 public:
61 std::auto_ptr<std::istream> Read(const std::string& path) const 53 std::tr1::shared_ptr<std::istream> Read(const std::string& path) const
62 { 54 {
63 std::ifstream* const file = new std::ifstream; 55 std::ifstream* const file = new std::ifstream;
64 file->open(""); 56 file->open("");
65 return std::auto_ptr<std::istream>(file); 57 return std::tr1::shared_ptr<std::istream>(file);
58 }
59
60 void Write(const std::string& path,
61 std::tr1::shared_ptr<std::ostream> content)
62 {
63 throw std::runtime_error("No writing");
66 } 64 }
67 }; 65 };
68 66
69 TEST(JsEngineTest, EvaluateAndCall) 67 TEST(JsEngineTest, EvaluateAndCall)
70 { 68 {
71 ThrowingFileSystem fileSystem;
72 ThrowingErrorCallback errorCallback; 69 ThrowingErrorCallback errorCallback;
73 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback); 70 AdblockPlus::JsEngine jsEngine(0, 0, &errorCallback);
74 const std::string source = "function hello() { return 'Hello'; }"; 71 const std::string source = "function hello() { return 'Hello'; }";
75 jsEngine.Evaluate(source); 72 jsEngine.Evaluate(source);
76 const std::string result = jsEngine.Evaluate("hello()"); 73 const std::string result = jsEngine.Evaluate("hello()");
77 ASSERT_EQ("Hello", result); 74 ASSERT_EQ("Hello", result);
78 } 75 }
79 76
80 TEST(JsEngineTest, LoadAndCall) 77 TEST(JsEngineTest, LoadAndCall)
81 { 78 {
82 StubFileSystem fileSystem; 79 StubFileSystem fileSystem;
83 ThrowingErrorCallback errorCallback; 80 ThrowingErrorCallback errorCallback;
84 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback); 81 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback);
85 jsEngine.Load("hello.js"); 82 jsEngine.Load("hello.js");
86 const std::string result = jsEngine.Evaluate("hello()"); 83 const std::string result = jsEngine.Evaluate("hello()");
87 ASSERT_EQ("Hello", result); 84 ASSERT_EQ("Hello", result);
88 } 85 }
89 86
90 TEST(JsEngineTest, LoadBadStreamFails) 87 TEST(JsEngineTest, LoadBadStreamFails)
91 { 88 {
92 BadFileSystem fileSystem; 89 BadFileSystem fileSystem;
93 ThrowingErrorCallback errorCallback; 90 ThrowingErrorCallback errorCallback;
94 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback); 91 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback);
95 ASSERT_ANY_THROW(jsEngine.Load("hello.js")); 92 ASSERT_ANY_THROW(jsEngine.Load("hello.js"));
96 } 93 }
97 94
98 TEST(JsEngineTest, RuntimeExceptionIsThrown) 95 TEST(JsEngineTest, RuntimeExceptionIsThrown)
99 { 96 {
100 ThrowingFileSystem fileSystem;
101 ThrowingErrorCallback errorCallback; 97 ThrowingErrorCallback errorCallback;
102 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback); 98 AdblockPlus::JsEngine jsEngine(0, 0, &errorCallback);
103 ASSERT_THROW(jsEngine.Evaluate("doesnotexist()"), AdblockPlus::JsError); 99 ASSERT_THROW(jsEngine.Evaluate("doesnotexist()"), AdblockPlus::JsError);
104 } 100 }
105 101
106 TEST(JsEngineTest, CompileTimeExceptionIsThrown) 102 TEST(JsEngineTest, CompileTimeExceptionIsThrown)
107 { 103 {
108 ThrowingFileSystem fileSystem;
109 ThrowingErrorCallback errorCallback; 104 ThrowingErrorCallback errorCallback;
110 AdblockPlus::JsEngine jsEngine(&fileSystem, 0, &errorCallback); 105 AdblockPlus::JsEngine jsEngine(0, 0, &errorCallback);
111 ASSERT_THROW(jsEngine.Evaluate("'foo'bar'"), AdblockPlus::JsError); 106 ASSERT_THROW(jsEngine.Evaluate("'foo'bar'"), AdblockPlus::JsError);
112 } 107 }
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