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.
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"
16 // InputConversion needs a global scheduler object.
17 class InputConversionTest
: public testing::Test
{
19 InputConversionTest() {}
21 const Settings
* settings() { return setup_
.settings(); }
31 TEST_F(InputConversionTest
, String
) {
33 std::string
input("\nfoo bar \n");
34 Value result
= ConvertInputToValue(settings(), input
, nullptr,
35 Value(nullptr, "string"), &err
);
36 EXPECT_FALSE(err
.has_error());
37 EXPECT_EQ(Value::STRING
, result
.type());
38 EXPECT_EQ(input
, result
.string_value());
40 // Test with trimming.
41 result
= ConvertInputToValue(settings(), input
, nullptr,
42 Value(nullptr, "trim string"), &err
);
43 EXPECT_FALSE(err
.has_error());
44 EXPECT_EQ(Value::STRING
, result
.type());
45 EXPECT_EQ("foo bar", result
.string_value());
48 TEST_F(InputConversionTest
, ListLines
) {
50 std::string
input("\nfoo\nbar \n\n");
51 Value result
= ConvertInputToValue(settings(), input
, nullptr,
52 Value(nullptr, "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());
61 // Test with trimming.
62 result
= ConvertInputToValue(settings(), input
, nullptr,
63 Value(nullptr, "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());
71 TEST_F(InputConversionTest
, ValueString
) {
73 std::string
input("\"str\"");
74 Value result
= ConvertInputToValue(settings(), input
, nullptr,
75 Value(nullptr, "value"), &err
);
76 EXPECT_FALSE(err
.has_error());
77 EXPECT_EQ(Value::STRING
, result
.type());
78 EXPECT_EQ("str", result
.string_value());
81 TEST_F(InputConversionTest
, ValueInt
) {
83 std::string
input("\n\n 6 \n ");
84 Value result
= ConvertInputToValue(settings(), input
, nullptr,
85 Value(nullptr, "value"), &err
);
86 EXPECT_FALSE(err
.has_error());
87 EXPECT_EQ(Value::INTEGER
, result
.type());
88 EXPECT_EQ(6, result
.int_value());
91 TEST_F(InputConversionTest
, ValueList
) {
93 std::string
input("\n [ \"a\", 5]");
94 Value result
= ConvertInputToValue(settings(), input
, nullptr,
95 Value(nullptr, "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());
103 TEST_F(InputConversionTest
, ValueDict
) {
105 std::string
input("\n a = 5 b = \"foo\" c = a + 2");
106 Value result
= ConvertInputToValue(settings(), input
, nullptr,
107 Value(nullptr, "scope"), &err
);
108 EXPECT_FALSE(err
.has_error());
109 ASSERT_EQ(Value::SCOPE
, result
.type());
111 const Value
* a_value
= result
.scope_value()->GetValue("a");
112 ASSERT_TRUE(a_value
);
113 EXPECT_EQ(5, a_value
->int_value());
115 const Value
* b_value
= result
.scope_value()->GetValue("b");
116 ASSERT_TRUE(b_value
);
117 EXPECT_EQ("foo", b_value
->string_value());
119 const Value
* c_value
= result
.scope_value()->GetValue("c");
120 ASSERT_TRUE(c_value
);
121 EXPECT_EQ(7, c_value
->int_value());
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());
131 const InputFile
* a_file
= a_range
.begin().file();
132 EXPECT_EQ(input
, a_file
->contents());
135 TEST_F(InputConversionTest
, ValueEmpty
) {
137 Value result
= ConvertInputToValue(settings(), "", nullptr,
138 Value(nullptr, "value"), &err
);
139 EXPECT_FALSE(err
.has_error());
140 EXPECT_EQ(Value::NONE
, result
.type());
143 TEST_F(InputConversionTest
, ValueError
) {
144 static const char* const kTests
[] = {
145 "\n [ \"a\", 5\nfoo bar",
147 // Blocks not allowed.
150 // Function calls not allowed.
153 // Trailing junk not allowed.
156 // Non-literals hidden in arrays are not allowed.
158 "[rebase_path(\"//\")]",
161 for (auto test
: kTests
) {
163 std::string
input(test
);
164 Value result
= ConvertInputToValue(settings(), input
, nullptr,
165 Value(nullptr, "value"), &err
);
166 EXPECT_TRUE(err
.has_error()) << test
;
170 // Passing none or the empty string for input conversion should ignore the
172 TEST_F(InputConversionTest
, Ignore
) {
174 Value result
= ConvertInputToValue(settings(), "foo", nullptr, Value(), &err
);
175 EXPECT_FALSE(err
.has_error());
176 EXPECT_EQ(Value::NONE
, result
.type());
179 ConvertInputToValue(settings(), "foo", nullptr, Value(nullptr, ""), &err
);
180 EXPECT_FALSE(err
.has_error());
181 EXPECT_EQ(Value::NONE
, result
.type());