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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* PatchParserTest.cpp
* Unittest for the JSON Patch Parser.
* Copyright (C) 2014 Simon Newton
*/
#include <string>
#include "ola/testing/TestUtils.h"
#include "ola/web/Json.h"
#include "ola/web/JsonData.h"
#include "ola/web/JsonParser.h"
#include "ola/web/JsonPatch.h"
#include "ola/web/JsonPatchParser.h"
#include "ola/web/JsonPointer.h"
#include "ola/web/JsonWriter.h"
#include "ola/Logging.h"
using ola::web::JsonArray;
using ola::web::JsonObject;
using ola::web::JsonParser;
using ola::web::JsonPatchAddOp;
using ola::web::JsonPatchCopyOp;
using ola::web::JsonPatchMoveOp;
using ola::web::JsonPatchParser;
using ola::web::JsonPatchRemoveOp;
using ola::web::JsonPatchReplaceOp;
using ola::web::JsonPatchSet;
using ola::web::JsonPatchTestOp;
using ola::web::JsonData;
using ola::web::JsonValue;
using ola::web::JsonWriter;
using std::auto_ptr;
using std::string;
class JsonPatchParserTest: public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(JsonPatchParserTest);
CPPUNIT_TEST(testInvalid);
CPPUNIT_TEST(testAdd);
CPPUNIT_TEST(testRemove);
CPPUNIT_TEST(testReplace);
CPPUNIT_TEST(testMove);
CPPUNIT_TEST(testCopy);
CPPUNIT_TEST(testTest);
CPPUNIT_TEST_SUITE_END();
public:
void testInvalid();
void testAdd();
void testRemove();
void testReplace();
void testMove();
void testCopy();
void testTest();
private:
void CheckValuesMatch(const std::string &input, const JsonValue *actual);
void BuildSampleText(JsonData *text);
void CheckInvalid(const string &input);
void CheckValid(const string &input, JsonPatchSet *patch_set);
};
void JsonPatchParserTest::CheckValuesMatch(const std::string &input,
const JsonValue *actual) {
string error;
auto_ptr<const JsonValue> expected_value(JsonParser::Parse(input, &error));
if (expected_value.get()) {
if (*actual != *expected_value.get()) {
OLA_ASSERT_EQ(JsonWriter::AsString(*(expected_value.get())),
JsonWriter::AsString(*actual));
}
} else {
OLA_ASSERT_EQ(expected_value.get(), actual);
}
}
void JsonPatchParserTest::BuildSampleText(JsonData *text) {
auto_ptr<JsonObject> object(new JsonObject());
object->Add("foo", "bar");
object->Add("baz", false);
JsonObject *child_object = new JsonObject();
child_object->Add("bat", 1);
object->AddValue("object", child_object);
JsonArray *child_array = new JsonArray();
child_array->Append(1);
child_array->Append(2);
child_array->Append(3);
object->AddValue("array", child_array);
text->SetValue(object.release());
}
void JsonPatchParserTest::CheckInvalid(const string &input) {
JsonPatchSet patch_set;
string error;
OLA_ASSERT_FALSE(JsonPatchParser::Parse(input, &patch_set, &error));
OLA_ASSERT_TRUE(patch_set.Empty());
OLA_ASSERT_NE(string(""), error);
}
void JsonPatchParserTest::CheckValid(const string &input,
JsonPatchSet *patch_set) {
string error;
OLA_ASSERT_TRUE(JsonPatchParser::Parse(input, patch_set, &error));
OLA_ASSERT_FALSE(patch_set->Empty());
OLA_ASSERT_EQ(string(""), error);
}
CPPUNIT_TEST_SUITE_REGISTRATION(JsonPatchParserTest);
void JsonPatchParserTest::testInvalid() {
CheckInvalid("");
CheckInvalid("{}");
CheckInvalid("null");
CheckInvalid("1");
CheckInvalid("\"foo\"");
CheckInvalid("true");
CheckInvalid("[null]");
CheckInvalid("[1]");
CheckInvalid("[1.2]");
CheckInvalid("[\"foo\"]");
CheckInvalid("[[]]");
CheckInvalid("[{}]");
CheckInvalid("[{\"op\": \"\"}]");
CheckInvalid("[{\"op\": \"foo\"}]");
}
void JsonPatchParserTest::testAdd() {
CheckInvalid("[{\"op\": \"add\"}]");
// Invalid and missing paths
CheckInvalid("[{\"op\": \"add\", \"path\": null, \"value\": {}}]");
CheckInvalid("[{\"op\": \"add\", \"path\": true, \"value\": {}}]");
CheckInvalid("[{\"op\": \"add\", \"path\": 1, \"value\": {}}]");
CheckInvalid("[{\"op\": \"add\", \"path\": 1.2, \"value\": {}}]");
CheckInvalid("[{\"op\": \"add\", \"path\": {}, \"value\": {}}]");
CheckInvalid("[{\"op\": \"add\", \"path\": [], \"value\": {}}]");
CheckInvalid("[{\"op\": \"add\", \"value\": {}}]");
// Missing value
CheckInvalid("[{\"op\": \"add\", \"path\": \"/foo\"}]");
// Valid patches
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"add\", \"path\": \"/foo\", \"value\": {}}]", &patch_set);
JsonData text(new JsonObject());
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": {}}", text.Value());
}
// Complex nested value
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"add\", \"path\": \"/foo\", "
"\"value\": [{\"foo\": [[]]}] }]", &patch_set);
JsonData text(new JsonObject());
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": [{\"foo\": [[]]}] }", text.Value());
}
}
void JsonPatchParserTest::testRemove() {
CheckInvalid("[{\"op\": \"remove\"}]");
// Invalid and missing paths
CheckInvalid("[{\"op\": \"remove\", \"path\": null}]");
CheckInvalid("[{\"op\": \"remove\", \"path\": true}]");
CheckInvalid("[{\"op\": \"remove\", \"path\": 1}]");
CheckInvalid("[{\"op\": \"remove\", \"path\": 1.2}]");
CheckInvalid("[{\"op\": \"remove\", \"path\": {}}]");
CheckInvalid("[{\"op\": \"remove\", \"path\": []}]");
CheckInvalid("[{\"op\": \"remove\"}]");
JsonData text(NULL);
BuildSampleText(&text);
// Valid patches
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"remove\", \"path\": \"/foo\"}]", &patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"remove\", \"path\": \"/object\"},"
" {\"op\": \"remove\", \"path\": \"/array\"}]", &patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch("{\"baz\": false }", text.Value());
}
}
void JsonPatchParserTest::testReplace() {
CheckInvalid("[{\"op\": \"replace\"}]");
// Invalid and missing paths
CheckInvalid("[{\"op\": \"replace\", \"path\": null, \"value\": {}}]");
CheckInvalid("[{\"op\": \"replace\", \"path\": true, \"value\": {}}]");
CheckInvalid("[{\"op\": \"replace\", \"path\": 1, \"value\": {}}]");
CheckInvalid("[{\"op\": \"replace\", \"path\": 1.2, \"value\": {}}]");
CheckInvalid("[{\"op\": \"replace\", \"path\": {}, \"value\": {}}]");
CheckInvalid("[{\"op\": \"replace\", \"path\": [], \"value\": {}}]");
CheckInvalid("[{\"op\": \"replace\", \"value\": {}}]");
// Missing value
CheckInvalid("[{\"op\": \"replace\", \"path\": \"/foo\"}]");
JsonData text(NULL);
BuildSampleText(&text);
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"replace\", \"path\": \"/foo\", \"value\": 42}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": 42, \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"replace\", \"path\": \"/foo\", \"value\": true}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": true, \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"replace\", \"path\": \"/foo\", \"value\": \"bar\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": \"bar\", \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"replace\", \"path\": \"/foo\", \"value\": []}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": [], \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"replace\", \"path\": \"/foo\", \"value\": {}}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": {}, \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
}
void JsonPatchParserTest::testMove() {
CheckInvalid("[{\"op\": \"move\"}]");
// Invalid and missing paths
CheckInvalid("[{\"op\": \"move\", \"path\": null, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"move\", \"path\": true, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"move\", \"path\": 1, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"move\", \"path\": {}, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"move\", \"path\": [], \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"move\", \"from\": {}}]");
// Missing or invalid from
CheckInvalid("[{\"op\": \"move\", \"path\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"move\", \"path\": \"/foo\", \"from\": null}]");
CheckInvalid("[{\"op\": \"move\", \"path\": \"/foo\", \"from\": true}]");
CheckInvalid("[{\"op\": \"move\", \"path\": \"/foo\", \"from\": 1}]");
CheckInvalid("[{\"op\": \"move\", \"path\": \"/foo\", \"from\": []}]");
CheckInvalid("[{\"op\": \"move\", \"path\": \"/foo\", \"from\": {}}]");
JsonData text(NULL);
BuildSampleText(&text);
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"move\", \"path\": \"/foo\", \"from\": \"/baz\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"move\", \"path\": \"/foo\", \"from\": \"/array/1\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": 2, "
" \"object\": {\"bat\": 1}, \"array\": [1,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"move\", \"path\": \"/foo\", \"from\": \"/object/bat\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": 1, "
" \"object\": {}, \"array\": [1,3] }",
text.Value());
}
}
void JsonPatchParserTest::testCopy() {
CheckInvalid("[{\"op\": \"copy\"}]");
// Invalid and missing paths
CheckInvalid("[{\"op\": \"copy\", \"path\": null, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": true, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": 1, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": {}, \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": [], \"from\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"copy\", \"from\": {}}]");
// Missing or invalid from
CheckInvalid("[{\"op\": \"copy\", \"path\": \"/foo\"}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": null}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": true}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": 1}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": []}]");
CheckInvalid("[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": {}}]");
JsonData text(NULL);
BuildSampleText(&text);
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": \"/baz\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": false, \"baz\": false,"
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": \"/array/1\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": 2, \"baz\": false,"
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"copy\", \"path\": \"/foo\", \"from\": \"/object/bat\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": 1, \"baz\": false,"
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
}
void JsonPatchParserTest::testTest() {
CheckInvalid("[{\"op\": \"test\"}]");
// Invalid and missing paths
CheckInvalid("[{\"op\": \"test\", \"path\": null, \"value\": {}}]");
CheckInvalid("[{\"op\": \"test\", \"path\": true, \"value\": {}}]");
CheckInvalid("[{\"op\": \"test\", \"path\": 1, \"value\": {}}]");
CheckInvalid("[{\"op\": \"test\", \"path\": 1.2, \"value\": {}}]");
CheckInvalid("[{\"op\": \"test\", \"path\": {}, \"value\": {}}]");
CheckInvalid("[{\"op\": \"test\", \"path\": [], \"value\": {}}]");
CheckInvalid("[{\"op\": \"test\", \"value\": {}}]");
// Missing value
CheckInvalid("[{\"op\": \"test\", \"path\": \"/foo\"}]");
JsonData text(NULL);
BuildSampleText(&text);
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"test\", \"path\": \"/foo\", \"value\": \"bar\"}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": \"bar\", \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"test\", \"path\": \"/array\", \"value\": [1,2,3]}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": \"bar\", \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"test\", \"path\": \"/object/bat\", \"value\": 1}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": \"bar\", \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
{
JsonPatchSet patch_set;
CheckValid(
"[{\"op\": \"test\", \"path\": \"/baz\", \"value\": false}]",
&patch_set);
OLA_ASSERT_TRUE(text.Apply(patch_set));
CheckValuesMatch(
"{\"foo\": \"bar\", \"baz\": false, "
" \"object\": {\"bat\": 1}, \"array\": [1,2,3] }",
text.Value());
}
}
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