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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/gtest/include/gtest/gtest.h"
#include "tools/gn/err.h"
#include "tools/gn/input_conversion.h"
#include "tools/gn/input_file.h"
#include "tools/gn/parse_tree.h"
#include "tools/gn/scheduler.h"
#include "tools/gn/test_with_scope.h"
#include "tools/gn/value.h"
namespace {
// InputConversion needs a global scheduler object.
class InputConversionTest : public testing::Test {
public:
InputConversionTest() {}
const Settings* settings() { return setup_.settings(); }
private:
TestWithScope setup_;
Scheduler scheduler_;
};
} // namespace
TEST_F(InputConversionTest, String) {
Err err;
std::string input("\nfoo bar \n");
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "string"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::STRING, result.type());
EXPECT_EQ(input, result.string_value());
// Test with trimming.
result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "trim string"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::STRING, result.type());
EXPECT_EQ("foo bar", result.string_value());
}
TEST_F(InputConversionTest, ListLines) {
Err err;
std::string input("\nfoo\nbar \n\n");
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "list lines"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::LIST, result.type());
ASSERT_EQ(4u, result.list_value().size());
EXPECT_EQ("", result.list_value()[0].string_value());
EXPECT_EQ("foo", result.list_value()[1].string_value());
EXPECT_EQ("bar", result.list_value()[2].string_value());
EXPECT_EQ("", result.list_value()[3].string_value());
// Test with trimming.
result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "trim list lines"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::LIST, result.type());
ASSERT_EQ(2u, result.list_value().size());
EXPECT_EQ("foo", result.list_value()[0].string_value());
EXPECT_EQ("bar", result.list_value()[1].string_value());
}
TEST_F(InputConversionTest, ValueString) {
Err err;
std::string input("\"str\"");
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "value"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::STRING, result.type());
EXPECT_EQ("str", result.string_value());
}
TEST_F(InputConversionTest, ValueInt) {
Err err;
std::string input("\n\n 6 \n ");
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "value"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::INTEGER, result.type());
EXPECT_EQ(6, result.int_value());
}
TEST_F(InputConversionTest, ValueList) {
Err err;
std::string input("\n [ \"a\", 5]");
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "value"), &err);
EXPECT_FALSE(err.has_error());
ASSERT_EQ(Value::LIST, result.type());
ASSERT_EQ(2u, result.list_value().size());
EXPECT_EQ("a", result.list_value()[0].string_value());
EXPECT_EQ(5, result.list_value()[1].int_value());
}
TEST_F(InputConversionTest, ValueDict) {
Err err;
std::string input("\n a = 5 b = \"foo\" c = a + 2");
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "scope"), &err);
EXPECT_FALSE(err.has_error());
ASSERT_EQ(Value::SCOPE, result.type());
const Value* a_value = result.scope_value()->GetValue("a");
ASSERT_TRUE(a_value);
EXPECT_EQ(5, a_value->int_value());
const Value* b_value = result.scope_value()->GetValue("b");
ASSERT_TRUE(b_value);
EXPECT_EQ("foo", b_value->string_value());
const Value* c_value = result.scope_value()->GetValue("c");
ASSERT_TRUE(c_value);
EXPECT_EQ(7, c_value->int_value());
// Tests that when we get Values out of the input conversion, the resulting
// values have an origin set to something corresponding to the input.
const ParseNode* a_origin = a_value->origin();
ASSERT_TRUE(a_origin);
LocationRange a_range = a_origin->GetRange();
EXPECT_EQ(2, a_range.begin().line_number());
EXPECT_EQ(6, a_range.begin().char_offset());
const InputFile* a_file = a_range.begin().file();
EXPECT_EQ(input, a_file->contents());
}
TEST_F(InputConversionTest, ValueEmpty) {
Err err;
Value result = ConvertInputToValue(settings(), "", nullptr,
Value(nullptr, "value"), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::NONE, result.type());
}
TEST_F(InputConversionTest, ValueError) {
static const char* const kTests[] = {
"\n [ \"a\", 5\nfoo bar",
// Blocks not allowed.
"{ foo = 5 }",
// Function calls not allowed.
"print(5)",
// Trailing junk not allowed.
"233105-1",
// Non-literals hidden in arrays are not allowed.
"[233105 - 1]",
"[rebase_path(\"//\")]",
};
for (auto test : kTests) {
Err err;
std::string input(test);
Value result = ConvertInputToValue(settings(), input, nullptr,
Value(nullptr, "value"), &err);
EXPECT_TRUE(err.has_error()) << test;
}
}
// Passing none or the empty string for input conversion should ignore the
// result.
TEST_F(InputConversionTest, Ignore) {
Err err;
Value result = ConvertInputToValue(settings(), "foo", nullptr, Value(), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::NONE, result.type());
result =
ConvertInputToValue(settings(), "foo", nullptr, Value(nullptr, ""), &err);
EXPECT_FALSE(err.has_error());
EXPECT_EQ(Value::NONE, result.type());
}
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