1 /**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "utils/json_builder.h"
17
18 #include "gtest/gtest.h"
19 #include "gmock/gmock.h"
20
21 #include <iomanip>
22 #include <limits>
23 #include <utility>
24
25 namespace panda::test {
26 MATCHER_P(StringifiesAs, string, "")
27 {
28 auto value = JsonArrayBuilder().Add(arg).Build();
29 if (value.size() < 2)
30 return false;
31
32 value = value.substr(1, value.size() - 2);
33 *result_listener << std::quoted(value);
34 return value == string;
35 }
36
TEST(JsonBuilderTest,StringifiesNull)37 TEST(JsonBuilderTest, StringifiesNull)
38 {
39 EXPECT_THAT(nullptr, StringifiesAs("null"));
40 }
41
TEST(JsonBuilderTest,StringifiesBooleans)42 TEST(JsonBuilderTest, StringifiesBooleans)
43 {
44 EXPECT_THAT(false, StringifiesAs("false"));
45 EXPECT_THAT(true, StringifiesAs("true"));
46 }
47
TEST(JsonBuilderTest,StringifiesNumbers)48 TEST(JsonBuilderTest, StringifiesNumbers)
49 {
50 EXPECT_THAT(1, StringifiesAs("1"));
51 EXPECT_THAT(1.5, StringifiesAs("1.5"));
52 EXPECT_THAT(-100, StringifiesAs("-100"));
53 EXPECT_THAT(1e24, StringifiesAs("1e+24"));
54 EXPECT_THAT(1e-24, StringifiesAs("1e-24"));
55 EXPECT_THAT(std::numeric_limits<double>::infinity(), StringifiesAs("null"));
56 EXPECT_THAT(-std::numeric_limits<double>::infinity(), StringifiesAs("null"));
57 EXPECT_THAT(std::numeric_limits<double>::quiet_NaN(), StringifiesAs("null"));
58 }
59
TEST(JsonBuilderTest,StringifiesStrings)60 TEST(JsonBuilderTest, StringifiesStrings)
61 {
62 EXPECT_THAT("", StringifiesAs(R"("")"));
63 EXPECT_THAT("foo", StringifiesAs(R"("foo")"));
64 EXPECT_THAT(R"("foo" bar)", StringifiesAs(R"("\"foo\" bar")"));
65 EXPECT_THAT(R"("foo\" bar)", StringifiesAs(R"("\"foo\\\" bar")"));
66 EXPECT_THAT(R"(\0\\1\\\2\\\\3)", StringifiesAs(R"("\\0\\\\1\\\\\\2\\\\\\\\3")"));
67 EXPECT_THAT("\b\f\n\r\t", StringifiesAs(R"("\b\f\n\r\t")"));
68 EXPECT_THAT("foo\tbar\n\21\1", StringifiesAs(R"("foo\tbar\n\u0011\u0001")"));
69 }
70
71 TEST(JsonBuilderTest, StringifiesArrays)
72 {
73 EXPECT_THAT([](JsonArrayBuilder &) {}, StringifiesAs("[]"));
74 EXPECT_THAT(
75 [](JsonArrayBuilder &array) {
76 array.Add(1);
77 array.Add("");
78 array.Add([](JsonArrayBuilder &) {});
79 array.Add([](JsonObjectBuilder &object) {
80 object.AddProperty("x", [](JsonArrayBuilder &x) {
81 x.Add("foo");
82 x.Add("bar");
83 });
84 });
85 },
86 StringifiesAs("[1,\"\",[],{\"x\":[\"foo\",\"bar\"]}]"));
87 }
88
TEST(JsonBuilderTest,StringifiesObjects)89 TEST(JsonBuilderTest, StringifiesObjects)
90 {
91 EXPECT_THAT([](JsonObjectBuilder &) {}, StringifiesAs("{}"));
92 EXPECT_THAT(
93 [](JsonObjectBuilder &object) {
94 object.AddProperty("x", 1);
95 object.AddProperty("y", [](JsonObjectBuilder &y) {
96 y.AddProperty("a", "foo");
97 y.AddProperty("b", [](JsonObjectBuilder &) {});
98 });
99 },
100 StringifiesAs("{\"x\":1,\"y\":{\"a\":\"foo\",\"b\":{}}}"));
101 }
102
TEST(JsonArrayBuilderTest,BuildsFluently)103 TEST(JsonArrayBuilderTest, BuildsFluently)
104 {
105 EXPECT_EQ(
106 JsonArrayBuilder().Add(1).Add("foo").Add([](JsonArrayBuilder &x) { x.Add([](JsonArrayBuilder &) {}); }).Build(),
107 "[1,\"foo\",[[]]]");
108 }
109
TEST(JsonArrayBuilderTest,BuildsReferentially)110 TEST(JsonArrayBuilderTest, BuildsReferentially)
111 {
112 JsonArrayBuilder builder;
113
114 builder.Add(1);
115 builder.Add("foo");
116 builder.Add([](JsonArrayBuilder &x) { x.Add([](JsonArrayBuilder &) {}); });
117
118 EXPECT_EQ(std::move(builder).Build(), "[1,\"foo\",[[]]]");
119 }
120
TEST(JsonObjectBuilderTest,BuildsFluently)121 TEST(JsonObjectBuilderTest, BuildsFluently)
122 {
123 auto z = [](JsonObjectBuilder &obj) { obj.AddProperty("_", [](JsonObjectBuilder &) {}); };
124
125 EXPECT_EQ(JsonObjectBuilder().AddProperty("x", 1).AddProperty("y", "foo").AddProperty("z", z).Build(),
126 R"({"x":1,"y":"foo","z":{"_":{}}})");
127 }
128
TEST(JsonObjectBuilderTest,BuildsReferentially)129 TEST(JsonObjectBuilderTest, BuildsReferentially)
130 {
131 JsonObjectBuilder builder;
132
133 builder.AddProperty("x", 1);
134 builder.AddProperty("y", "foo");
135 builder.AddProperty("z", [](JsonObjectBuilder &z) { z.AddProperty("_", [](JsonObjectBuilder &) {}); });
136
137 EXPECT_EQ(std::move(builder).Build(), R"({"x":1,"y":"foo","z":{"_":{}}})");
138 }
139 } // namespace panda::test
140