1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "testing/gtest/include/gtest/gtest.h"
6 #include "tools/gn/err.h"
7 #include "tools/gn/input_conversion.h"
8 #include "tools/gn/input_file.h"
9 #include "tools/gn/parse_tree.h"
10 #include "tools/gn/scheduler.h"
11 #include "tools/gn/test_with_scope.h"
12 #include "tools/gn/value.h"
13
14 namespace {
15
16 // InputConversion needs a global scheduler object.
17 class InputConversionTest : public testing::Test {
18 public:
InputConversionTest()19 InputConversionTest() {}
20
settings()21 const Settings* settings() { return setup_.settings(); }
22
23 private:
24 TestWithScope setup_;
25
26 Scheduler scheduler_;
27 };
28
29 } // namespace
30
TEST_F(InputConversionTest,String)31 TEST_F(InputConversionTest, String) {
32 Err err;
33 std::string input("\nfoo bar \n");
34 Value result = ConvertInputToValue(settings(), input, NULL,
35 Value(NULL, "string"), &err);
36 EXPECT_FALSE(err.has_error());
37 EXPECT_EQ(Value::STRING, result.type());
38 EXPECT_EQ(input, result.string_value());
39
40 // Test with trimming.
41 result = ConvertInputToValue(settings(), input, NULL,
42 Value(NULL, "trim string"), &err);
43 EXPECT_FALSE(err.has_error());
44 EXPECT_EQ(Value::STRING, result.type());
45 EXPECT_EQ("foo bar", result.string_value());
46 }
47
TEST_F(InputConversionTest,ListLines)48 TEST_F(InputConversionTest, ListLines) {
49 Err err;
50 std::string input("\nfoo\nbar \n\n");
51 Value result = ConvertInputToValue(settings(), input, NULL,
52 Value(NULL, "list lines"), &err);
53 EXPECT_FALSE(err.has_error());
54 EXPECT_EQ(Value::LIST, result.type());
55 ASSERT_EQ(4u, result.list_value().size());
56 EXPECT_EQ("", result.list_value()[0].string_value());
57 EXPECT_EQ("foo", result.list_value()[1].string_value());
58 EXPECT_EQ("bar", result.list_value()[2].string_value());
59 EXPECT_EQ("", result.list_value()[3].string_value());
60
61 // Test with trimming.
62 result = ConvertInputToValue(settings(), input, NULL,
63 Value(NULL, "trim list lines"), &err);
64 EXPECT_FALSE(err.has_error());
65 EXPECT_EQ(Value::LIST, result.type());
66 ASSERT_EQ(2u, result.list_value().size());
67 EXPECT_EQ("foo", result.list_value()[0].string_value());
68 EXPECT_EQ("bar", result.list_value()[1].string_value());
69 }
70
TEST_F(InputConversionTest,ValueString)71 TEST_F(InputConversionTest, ValueString) {
72 Err err;
73 std::string input("\"str\"");
74 Value result = ConvertInputToValue(settings(), input, NULL,
75 Value(NULL, "value"), &err);
76 EXPECT_FALSE(err.has_error());
77 EXPECT_EQ(Value::STRING, result.type());
78 EXPECT_EQ("str", result.string_value());
79 }
80
TEST_F(InputConversionTest,ValueInt)81 TEST_F(InputConversionTest, ValueInt) {
82 Err err;
83 std::string input("\n\n 6 \n ");
84 Value result = ConvertInputToValue(settings(), input, NULL,
85 Value(NULL, "value"), &err);
86 EXPECT_FALSE(err.has_error());
87 EXPECT_EQ(Value::INTEGER, result.type());
88 EXPECT_EQ(6, result.int_value());
89 }
90
TEST_F(InputConversionTest,ValueList)91 TEST_F(InputConversionTest, ValueList) {
92 Err err;
93 std::string input("\n [ \"a\", 5]");
94 Value result = ConvertInputToValue(settings(), input, NULL,
95 Value(NULL, "value"), &err);
96 EXPECT_FALSE(err.has_error());
97 ASSERT_EQ(Value::LIST, result.type());
98 ASSERT_EQ(2u, result.list_value().size());
99 EXPECT_EQ("a", result.list_value()[0].string_value());
100 EXPECT_EQ(5, result.list_value()[1].int_value());
101 }
102
TEST_F(InputConversionTest,ValueDict)103 TEST_F(InputConversionTest, ValueDict) {
104 Err err;
105 std::string input("\n a = 5 b = \"foo\" c = a + 2");
106 Value result = ConvertInputToValue(settings(), input, NULL,
107 Value(NULL, "scope"), &err);
108 EXPECT_FALSE(err.has_error());
109 ASSERT_EQ(Value::SCOPE, result.type());
110
111 const Value* a_value = result.scope_value()->GetValue("a");
112 ASSERT_TRUE(a_value);
113 EXPECT_EQ(5, a_value->int_value());
114
115 const Value* b_value = result.scope_value()->GetValue("b");
116 ASSERT_TRUE(b_value);
117 EXPECT_EQ("foo", b_value->string_value());
118
119 const Value* c_value = result.scope_value()->GetValue("c");
120 ASSERT_TRUE(c_value);
121 EXPECT_EQ(7, c_value->int_value());
122
123 // Tests that when we get Values out of the input conversion, the resulting
124 // values have an origin set to something corresponding to the input.
125 const ParseNode* a_origin = a_value->origin();
126 ASSERT_TRUE(a_origin);
127 LocationRange a_range = a_origin->GetRange();
128 EXPECT_EQ(2, a_range.begin().line_number());
129 EXPECT_EQ(6, a_range.begin().char_offset());
130
131 const InputFile* a_file = a_range.begin().file();
132 EXPECT_EQ(input, a_file->contents());
133 }
134
TEST_F(InputConversionTest,ValueEmpty)135 TEST_F(InputConversionTest, ValueEmpty) {
136 Err err;
137 Value result = ConvertInputToValue(settings(), "", NULL,
138 Value(NULL, "value"), &err);
139 EXPECT_FALSE(err.has_error());
140 EXPECT_EQ(Value::NONE, result.type());
141 }
142
TEST_F(InputConversionTest,ValueError)143 TEST_F(InputConversionTest, ValueError) {
144 Err err;
145 std::string input("\n [ \"a\", 5\nfoo bar");
146 Value result = ConvertInputToValue(settings(), input, NULL,
147 Value(NULL, "value"), &err);
148 EXPECT_TRUE(err.has_error());
149
150 // Blocks not allowed.
151 input = "{ foo = 5 }";
152 result = ConvertInputToValue(settings(), input, NULL,
153 Value(NULL, "value"), &err);
154 EXPECT_TRUE(err.has_error());
155
156 // Function calls not allowed.
157 input = "print(5)";
158 result = ConvertInputToValue(settings(), input, NULL,
159 Value(NULL, "value"), &err);
160 EXPECT_TRUE(err.has_error());
161 }
162
163 // Passing none or the empty string for input conversion should ignore the
164 // result.
TEST_F(InputConversionTest,Ignore)165 TEST_F(InputConversionTest, Ignore) {
166 Err err;
167 Value result = ConvertInputToValue(settings(), "foo", NULL, Value(), &err);
168 EXPECT_FALSE(err.has_error());
169 EXPECT_EQ(Value::NONE, result.type());
170
171 result = ConvertInputToValue(settings(), "foo", NULL, Value(NULL, ""), &err);
172 EXPECT_FALSE(err.has_error());
173 EXPECT_EQ(Value::NONE, result.type());
174 }
175