| // Copyright 2015 Cloudera, Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <string> |
| #include <vector> |
| |
| #include <boost/foreach.hpp> |
| #include <gtest/gtest.h> |
| |
| #include "kudu/gutil/integral_types.h" |
| #include "kudu/gutil/strings/substitute.h" |
| #include "kudu/util/jsonreader.h" |
| #include "kudu/util/test_macros.h" |
| |
| using rapidjson::Value; |
| using std::string; |
| using std::vector; |
| using strings::Substitute; |
| |
| namespace kudu { |
| |
| TEST(JsonReaderTest, Corrupt) { |
| JsonReader r(""); |
| Status s = r.Init(); |
| ASSERT_TRUE(s.IsCorruption()); |
| ASSERT_STR_CONTAINS( |
| s.ToString(), "JSON text is corrupt: Text only contains white space(s)"); |
| } |
| |
| TEST(JsonReaderTest, Empty) { |
| JsonReader r("{}"); |
| ASSERT_OK(r.Init()); |
| JsonReader r2("[]"); |
| ASSERT_OK(r2.Init()); |
| |
| // Not found. |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "foo", NULL).IsNotFound()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), "foo", NULL).IsNotFound()); |
| ASSERT_TRUE(r.ExtractString(r.root(), "foo", NULL).IsNotFound()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "foo", NULL).IsNotFound()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "foo", NULL).IsNotFound()); |
| } |
| |
| TEST(JsonReaderTest, Basic) { |
| JsonReader r("{ \"foo\" : \"bar\" }"); |
| ASSERT_OK(r.Init()); |
| string foo; |
| ASSERT_OK(r.ExtractString(r.root(), "foo", &foo)); |
| ASSERT_EQ("bar", foo); |
| |
| // Bad types. |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "foo", NULL).IsInvalidArgument()); |
| } |
| |
| TEST(JsonReaderTest, LessBasic) { |
| string doc = Substitute( |
| "{ \"small\" : 1, \"big\" : $0, \"null\" : null, \"empty\" : \"\" }", kint64max); |
| JsonReader r(doc); |
| ASSERT_OK(r.Init()); |
| int32_t small; |
| ASSERT_OK(r.ExtractInt32(r.root(), "small", &small)); |
| ASSERT_EQ(1, small); |
| int64_t big; |
| ASSERT_OK(r.ExtractInt64(r.root(), "big", &big)); |
| ASSERT_EQ(kint64max, big); |
| string str; |
| ASSERT_OK(r.ExtractString(r.root(), "null", &str)); |
| ASSERT_EQ("", str); |
| ASSERT_OK(r.ExtractString(r.root(), "empty", &str)); |
| ASSERT_EQ("", str); |
| |
| // Bad types. |
| ASSERT_TRUE(r.ExtractString(r.root(), "small", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "small", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "small", NULL).IsInvalidArgument()); |
| |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "big", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractString(r.root(), "big", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "big", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "big", NULL).IsInvalidArgument()); |
| |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "null", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), "null", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "null", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "null", NULL).IsInvalidArgument()); |
| |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "empty", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), "empty", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "empty", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "empty", NULL).IsInvalidArgument()); |
| } |
| |
| TEST(JsonReaderTest, Objects) { |
| JsonReader r("{ \"foo\" : { \"1\" : 1 } }"); |
| ASSERT_OK(r.Init()); |
| |
| const Value* foo = NULL; |
| ASSERT_OK(r.ExtractObject(r.root(), "foo", &foo)); |
| ASSERT_TRUE(foo); |
| |
| int32_t one; |
| ASSERT_OK(r.ExtractInt32(foo, "1", &one)); |
| ASSERT_EQ(1, one); |
| |
| // Bad types. |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractString(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObjectArray(r.root(), "foo", NULL).IsInvalidArgument()); |
| } |
| |
| TEST(JsonReaderTest, TopLevelArray) { |
| JsonReader r("[ { \"name\" : \"foo\" }, { \"name\" : \"bar\" } ]"); |
| ASSERT_OK(r.Init()); |
| |
| vector<const Value*> objs; |
| ASSERT_OK(r.ExtractObjectArray(r.root(), NULL, &objs)); |
| ASSERT_EQ(2, objs.size()); |
| string name; |
| ASSERT_OK(r.ExtractString(objs[0], "name", &name)); |
| ASSERT_EQ("foo", name); |
| ASSERT_OK(r.ExtractString(objs[1], "name", &name)); |
| ASSERT_EQ("bar", name); |
| |
| // Bad types. |
| ASSERT_TRUE(r.ExtractInt32(r.root(), NULL, NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), NULL, NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractString(r.root(), NULL, NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), NULL, NULL).IsInvalidArgument()); |
| } |
| |
| TEST(JsonReaderTest, NestedArray) { |
| JsonReader r("{ \"foo\" : [ { \"val\" : 0 }, { \"val\" : 1 }, { \"val\" : 2 } ] }"); |
| ASSERT_OK(r.Init()); |
| |
| vector<const Value*> foo; |
| ASSERT_OK(r.ExtractObjectArray(r.root(), "foo", &foo)); |
| ASSERT_EQ(3, foo.size()); |
| int i = 0; |
| BOOST_FOREACH(const Value* v, foo) { |
| int32_t number; |
| ASSERT_OK(r.ExtractInt32(v, "val", &number)); |
| ASSERT_EQ(i, number); |
| i++; |
| } |
| |
| // Bad types. |
| ASSERT_TRUE(r.ExtractInt32(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractInt64(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractString(r.root(), "foo", NULL).IsInvalidArgument()); |
| ASSERT_TRUE(r.ExtractObject(r.root(), "foo", NULL).IsInvalidArgument()); |
| } |
| |
| } // namespace kudu |