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SimpleJSONTest.h
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SimpleJSONTest.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
// NScD Oak Ridge National Laboratory, European Spallation Source,
// Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
#include <cxxtest/TestSuite.h>
#include "MantidKernel/SimpleJSON.h"
class SimpleJSONTest : public CxxTest::TestSuite {
public:
// This pair of boilerplate methods prevent the suite being created statically
// This means the constructor isn't called when running other tests
static SimpleJSONTest *createSuite() { return new SimpleJSONTest(); }
static void destroySuite(SimpleJSONTest *suite) { delete suite; }
void test_JSONValue() {
bool b = true;
TS_ASSERT_THROWS_NOTHING(JSONValue vBool(b));
double d = 0.1;
TS_ASSERT_THROWS_NOTHING(JSONValue vDbl(d));
JSONValue vBool(b);
bool getBool = false;
TS_ASSERT_EQUALS(true, vBool.getValue(getBool));
JSONValue vDbl(d);
TS_ASSERT_THROWS_NOTHING(vBool = vDbl);
TS_ASSERT_EQUALS(false, vBool.getValue(getBool));
TS_ASSERT_EQUALS(true, getBool);
TS_ASSERT_THROWS_NOTHING(vDbl = 0.0);
TS_ASSERT_THROWS_NOTHING(vBool = vDbl);
TS_ASSERT_EQUALS(false, vBool.getValue(getBool));
TS_ASSERT_EQUALS(true, getBool);
TS_ASSERT_THROWS_NOTHING(JSONValue str1(std::string("")));
TS_ASSERT_THROWS_NOTHING(JSONValue str2(std::string("str")));
JSONValue str1(std::string("s1"));
JSONValue str2(std::string("s2"));
TS_ASSERT_THROWS_NOTHING(str1 = str2);
JSONValue vs;
std::ostringstream out;
TS_ASSERT_THROWS_NOTHING(vs.prettyPrint(out, 1));
}
void test_JSONArray() {
std::string str = "json failure here";
JSONArray ja;
TS_ASSERT_THROWS_NOTHING(ja.emplace_back(str));
TS_ASSERT_THROWS_NOTHING(ja.emplace_back(str));
JSONValue jv(ja);
JSONValue vBool(true);
TS_ASSERT_THROWS_NOTHING(vBool = ja);
}
void test_JSONObjectWrongStrings() {
std::istringstream input;
std::string res;
std::string str = "";
JSONObject jo;
TS_ASSERT_THROWS(initFromStream(jo, input), const JSONParseException &);
TS_ASSERT_THROWS_NOTHING(jo["no_param"].getValue(res));
TS_ASSERT_EQUALS(false, jo["no_param"].getValue(res));
TS_ASSERT_EQUALS(res, "");
TS_ASSERT_EQUALS(false, jo["another_no_param"].getValue(res));
TS_ASSERT_EQUALS(res, "");
TS_ASSERT_THROWS(initFromStream(jo, input), const JSONParseException &);
TS_ASSERT_THROWS_NOTHING(jo["doesnt_exist"].getValue(res));
TS_ASSERT_EQUALS(false, jo["doesnt_exist"].getValue(res));
TS_ASSERT_EQUALS(res, "");
str = "{ mistake: }";
TS_ASSERT_THROWS(initFromStream(jo, input), const JSONParseException &);
TS_ASSERT_THROWS_NOTHING(jo["no no"].getValue(res));
TS_ASSERT_EQUALS(false, jo["it's not here"].getValue(res));
TS_ASSERT_EQUALS(res, "");
str = "{ ";
TS_ASSERT_THROWS(initFromStream(jo, input), const JSONParseException &);
TS_ASSERT_THROWS_NOTHING(jo["no no"].getValue(res));
TS_ASSERT_EQUALS(false, jo["it's not here"].getValue(res));
TS_ASSERT_EQUALS(res, "");
}
void test_JSONObjectWrongSeparator() {
const std::string wrongSep = ",";
const std::string jsonStr =
"{\"" + errName + "\":\"" + errVal + wrongSep + "\"" + errName + "\":\"" + errVal + "\"}";
std::istringstream input(jsonStr);
std::string res;
JSONObject o;
TS_ASSERT_THROWS(initFromStream(o, input), const JSONParseException &);
TS_ASSERT_THROWS_NOTHING(o["Err_Msg"].getValue(res));
TS_ASSERT_EQUALS(false, o["Err_Msg"].getValue(res));
TS_ASSERT_EQUALS(res, "");
}
void test_JSONObjectCorrectStrings() {
const std::string name1 = "var1";
const std::string val1 = "value1";
const std::string name2 = "variable2";
const std::string val2 = "[0,1,2,3]";
const std::string sep = ",";
std::string jsonStr = "{\"" + name1 + "\": \"" + val1 + "\"" + sep + " \"" + name2 + "\": \"" + val2 + "\"}";
std::istringstream input(jsonStr);
JSONObject jo;
std::string res;
TS_ASSERT_THROWS_NOTHING(initFromStream(jo, input));
TS_ASSERT_THROWS_NOTHING(jo[name1].getValue(res));
TS_ASSERT_EQUALS(false, jo["missing var"].getValue(res));
TS_ASSERT_EQUALS(res, val1);
TS_ASSERT_EQUALS(false, jo["got ya"].getValue(res));
TS_ASSERT_THROWS_NOTHING(jo[name2].getValue(res));
TS_ASSERT_EQUALS(res, val2);
}
void test_JSONObjectExampleServerResponseSimple() {
const std::string jsonStr = "{\"" + errName + "\":\"" + errVal + "\"}";
std::istringstream input(jsonStr);
std::string res;
JSONObject o;
TS_ASSERT_THROWS_NOTHING(initFromStream(o, input));
TS_ASSERT_THROWS_NOTHING(o["doesnt_exist"].getValue(res));
TS_ASSERT_EQUALS(false, o["doesnt_exist"].getValue(res));
TS_ASSERT_THROWS_NOTHING(o[""].getValue(res));
TS_ASSERT_EQUALS(false, o[""].getValue(res));
TS_ASSERT_EQUALS(true, o[errName].getValue(res));
TS_ASSERT_EQUALS(res, errVal);
}
void test_JSONObjectExampleServerResponseLonger() {
const std::string longerJsonStr = R"({"v1": "[1, a, 3]",")" + errName + "\":\"" + errVal + "\"}";
std::istringstream inputLong(longerJsonStr);
std::string res;
JSONObject ol;
TS_ASSERT_THROWS_NOTHING(initFromStream(ol, inputLong));
TS_ASSERT_THROWS_NOTHING(ol["doesnt exist"].getValue(res));
TS_ASSERT_EQUALS(false, ol["doesnt exist"].getValue(res));
TS_ASSERT_THROWS_NOTHING(ol[""].getValue(res));
TS_ASSERT_EQUALS(false, ol[""].getValue(res));
TS_ASSERT_EQUALS(true, ol[errName].getValue(res));
TS_ASSERT_EQUALS(res, errVal);
const std::string l2JsonStr = R"({"v1": "[1, a, 3]",")" + errName + "\":\"" + errVal + "\", \"" + versName +
"\": \"" + versVal +
"\" }"
"\"}";
std::istringstream inputL2(l2JsonStr);
TS_ASSERT_THROWS_NOTHING(initFromStream(ol, inputL2));
TS_ASSERT_THROWS_NOTHING(ol["doesnt exist"].getValue(res));
TS_ASSERT_EQUALS(false, ol["doesnt exist"].getValue(res));
TS_ASSERT_THROWS_NOTHING(ol[""].getValue(res));
TS_ASSERT_EQUALS(false, ol[""].getValue(res));
TS_ASSERT_EQUALS(true, ol[errName].getValue(res));
TS_ASSERT_EQUALS(res, errVal);
TS_ASSERT_EQUALS(true, ol[versName].getValue(res));
TS_ASSERT_EQUALS(res, versVal);
const std::string l3JsonStr = "{ \"" + impName + "\": \"" + impVal + R"(", "v1": "[1, a, longer str, a4]",")" +
errName + "\":\"" + errVal + "\", \"" + versName + "\": \"" + versVal +
"\" }"
"\"}";
std::istringstream inputL3(l3JsonStr);
TS_ASSERT_THROWS_NOTHING(initFromStream(ol, inputL3));
TS_ASSERT_THROWS_NOTHING(ol["doesnt exist"].getValue(res));
TS_ASSERT_EQUALS(false, ol["doesnt exist"].getValue(res));
TS_ASSERT_THROWS_NOTHING(ol[""].getValue(res));
TS_ASSERT_EQUALS(false, ol[""].getValue(res));
TS_ASSERT_EQUALS(true, ol[errName].getValue(res));
TS_ASSERT_EQUALS(res, errVal);
TS_ASSERT_EQUALS(true, ol[versName].getValue(res));
TS_ASSERT_EQUALS(res, versVal);
TS_ASSERT_EQUALS(true, ol[impName].getValue(res));
TS_ASSERT_EQUALS(res, impVal);
}
void test_prettyPrint() {
std::ostringstream out;
std::string str = "json failure here";
std::istringstream istr(str);
JSONObject jo;
TS_ASSERT_THROWS(initFromStream(jo, istr), const JSONParseException &);
TS_ASSERT_THROWS_NOTHING(prettyPrint(jo, out, 0));
std::string strOK = R"({ "key1": "val1"})";
std::istringstream istrOK(strOK);
JSONObject j2;
TS_ASSERT_THROWS_NOTHING(initFromStream(j2, istrOK));
TS_ASSERT_THROWS_NOTHING(prettyPrint(j2, out, 2));
}
private:
// these are example parameters used for the mantid web service
// (remote job submission API:
// http://www.mantidproject.org/Remote_Job_Submission_API)
static const std::string errName;
static const std::string errVal;
static const std::string versName;
static const std::string versVal;
static const std::string impName;
static const std::string impVal;
};
const std::string SimpleJSONTest::errName = "Err_Msg";
const std::string SimpleJSONTest::errVal = "fake msg";
const std::string SimpleJSONTest::versName = "API_Version";
const std::string SimpleJSONTest::versVal = "1";
const std::string SimpleJSONTest::impName = "Implementation_Specific_Post_Variables";
const std::string SimpleJSONTest::impVal = "example_POST_var1";