1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file |
3 | // distributed with this work for additional information |
4 | // regarding copyright ownership. The ASF licenses this file |
5 | // to you under the Apache License, Version 2.0 (the |
6 | // "License"); you may not use this file except in compliance |
7 | // with the License. You may obtain a copy of the License at |
8 | // |
9 | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | // |
11 | // Unless required by applicable law or agreed to in writing, |
12 | // software distributed under the License is distributed on an |
13 | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | // KIND, either express or implied. See the License for the |
15 | // specific language governing permissions and limitations |
16 | // under the License. |
17 | |
18 | #include <memory> |
19 | #include <string> |
20 | #include <unordered_map> |
21 | #include <vector> |
22 | |
23 | #include <gtest/gtest.h> |
24 | |
25 | #include "arrow/util/key_value_metadata.h" |
26 | |
27 | namespace arrow { |
28 | |
29 | TEST(KeyValueMetadataTest, SimpleConstruction) { |
30 | KeyValueMetadata metadata; |
31 | ASSERT_EQ(0, metadata.size()); |
32 | } |
33 | |
34 | TEST(KeyValueMetadataTest, StringVectorConstruction) { |
35 | std::vector<std::string> keys = {"foo" , "bar" }; |
36 | std::vector<std::string> values = {"bizz" , "buzz" }; |
37 | |
38 | KeyValueMetadata metadata(keys, values); |
39 | ASSERT_EQ("foo" , metadata.key(0)); |
40 | ASSERT_EQ("bar" , metadata.key(1)); |
41 | ASSERT_EQ("bizz" , metadata.value(0)); |
42 | ASSERT_EQ("buzz" , metadata.value(1)); |
43 | ASSERT_EQ(2, metadata.size()); |
44 | } |
45 | |
46 | TEST(KeyValueMetadataTest, StringMapConstruction) { |
47 | std::unordered_map<std::string, std::string> pairs = {{"foo" , "bizz" }, {"bar" , "buzz" }}; |
48 | std::unordered_map<std::string, std::string> result_map; |
49 | result_map.reserve(pairs.size()); |
50 | |
51 | KeyValueMetadata metadata(pairs); |
52 | metadata.ToUnorderedMap(&result_map); |
53 | ASSERT_EQ(pairs, result_map); |
54 | ASSERT_EQ(2, metadata.size()); |
55 | } |
56 | |
57 | TEST(KeyValueMetadataTest, StringAppend) { |
58 | std::vector<std::string> keys = {"foo" , "bar" }; |
59 | std::vector<std::string> values = {"bizz" , "buzz" }; |
60 | |
61 | KeyValueMetadata metadata(keys, values); |
62 | ASSERT_EQ("foo" , metadata.key(0)); |
63 | ASSERT_EQ("bar" , metadata.key(1)); |
64 | ASSERT_EQ("bizz" , metadata.value(0)); |
65 | ASSERT_EQ("buzz" , metadata.value(1)); |
66 | ASSERT_EQ(2, metadata.size()); |
67 | |
68 | metadata.Append("purple" , "orange" ); |
69 | metadata.Append("blue" , "red" ); |
70 | |
71 | ASSERT_EQ("purple" , metadata.key(2)); |
72 | ASSERT_EQ("blue" , metadata.key(3)); |
73 | |
74 | ASSERT_EQ("orange" , metadata.value(2)); |
75 | ASSERT_EQ("red" , metadata.value(3)); |
76 | } |
77 | |
78 | TEST(KeyValueMetadataTest, Copy) { |
79 | std::vector<std::string> keys = {"foo" , "bar" }; |
80 | std::vector<std::string> values = {"bizz" , "buzz" }; |
81 | |
82 | KeyValueMetadata metadata(keys, values); |
83 | auto metadata2 = metadata.Copy(); |
84 | ASSERT_TRUE(metadata.Equals(*metadata2)); |
85 | } |
86 | |
87 | TEST(KeyValueMetadataTest, Equals) { |
88 | std::vector<std::string> keys = {"foo" , "bar" }; |
89 | std::vector<std::string> values = {"bizz" , "buzz" }; |
90 | |
91 | KeyValueMetadata metadata(keys, values); |
92 | KeyValueMetadata metadata2(keys, values); |
93 | KeyValueMetadata metadata3(keys, {"buzz" , "bizz" }); |
94 | |
95 | ASSERT_TRUE(metadata.Equals(metadata2)); |
96 | ASSERT_FALSE(metadata.Equals(metadata3)); |
97 | } |
98 | |
99 | TEST(KeyValueMetadataTest, ToString) { |
100 | std::vector<std::string> keys = {"foo" , "bar" }; |
101 | std::vector<std::string> values = {"bizz" , "buzz" }; |
102 | |
103 | KeyValueMetadata metadata(keys, values); |
104 | |
105 | std::string result = metadata.ToString(); |
106 | std::string expected = R"( |
107 | -- metadata -- |
108 | foo: bizz |
109 | bar: buzz)" ; |
110 | |
111 | ASSERT_EQ(expected, result); |
112 | } |
113 | |
114 | } // namespace arrow |
115 | |