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
14namespace {
15
16// InputConversion needs a global scheduler object.
17class InputConversionTest : public testing::Test {
18 public:
19  InputConversionTest() {}
20
21  const Settings* settings() { return setup_.settings(); }
22
23 private:
24  TestWithScope setup_;
25
26  Scheduler scheduler_;
27};
28
29}  // namespace
30
31TEST_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
48TEST_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
71TEST_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
81TEST_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
91TEST_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
103TEST_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
135TEST_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
143TEST_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.
165TEST_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