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/*
* (C) Copyright 1996- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation nor
* does it submit to any jurisdiction.
*/
#include <algorithm>
#include "eckit/io/Buffer.h"
#include "eckit/parser/JSONMetadata.h"
#include "eckit/types/FloatCompare.h"
#include "eckit/testing/Test.h"
using namespace std;
using namespace eckit;
using namespace eckit::types;
using namespace eckit::testing;
namespace eckit {
namespace test {
//----------------------------------------------------------------------------------------------------------------------
CASE("test_eckit_json_metadata_params") {
std::string json_str = "{\"key1\": 1, \"key2\": 99.5, \"key3\": []}";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
std::vector<std::string> params(md.keywords());
EXPECT(params.size() == 3);
EXPECT(std::find(params.begin(), params.end(), "key1") != params.end());
EXPECT(std::find(params.begin(), params.end(), "key2") != params.end());
EXPECT(std::find(params.begin(), params.end(), "key3") != params.end());
}
CASE("test_eckit_json_metadata_params_nondict") {
// If a valid json is supplied that is not an object/dict, there should be no
// internal parameters to find
std::string json_str = "[1, 2, 44.5]";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
std::vector<std::string> params(md.keywords());
EXPECT(params.size() == 0);
}
CASE("test_eckit_json_metadata_has") {
std::string json_str = "{\"key1\": 1, \"key2\": 99.5, \"key3\": []}";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
EXPECT(md.has("key1"));
EXPECT(md.has("key2"));
EXPECT(md.has("key3"));
EXPECT(!md.has("keyunused"));
}
CASE("test_eckit_json_metadata_has_nondict") {
// If a valid json is supplied that is not an object/dict, there should be no
// internal parameters to find
std::string json_str = "[1, 2, 44.5]";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
EXPECT(!md.has("key1"));
}
CASE("test_eckit_json_metadata_get_string") {
std::string json_str = "{\"key1\": 1, \"key2\": \"testing string\", \"key3\": []}";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
std::string str_tmp;
md.get("key2", str_tmp);
// Gets value correctly
EXPECT(str_tmp == "testing string");
// Throws on incorrect type
EXPECT_THROWS_AS(md.get("key3", str_tmp), BadCast);
// Throws on missing key
EXPECT_THROWS_AS(md.get("keyunused", str_tmp), OutOfRange);
// Throws on non-dictionary root-value
std::string json_str2 = "[1234]";
Buffer buf2(json_str2.c_str(), json_str2.length());
JSONMetadata md2(buf2);
EXPECT_THROWS_AS(md2.get("key1", str_tmp), AssertionFailed);
}
CASE("test_eckit_json_metadata_get_double") {
std::string json_str = "{\"key1\": 123.45, \"key2\": \"testing string\", \"key3\": [], \"key4\": 123}";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
double dbl_tmp;
md.get("key1", dbl_tmp);
EXPECT(is_approximately_equal(dbl_tmp, 123.45, 1.0e-6));
md.get("key4", dbl_tmp);
EXPECT(is_approximately_equal(dbl_tmp, static_cast<double>(123), 1.0e-6));
// Throws on incorrect type
EXPECT_THROWS_AS(md.get("key3", dbl_tmp), BadCast);
// Throws on missing key
EXPECT_THROWS_AS(md.get("keyunused", dbl_tmp), OutOfRange);
// Throws on non-dictionary root-value
std::string json_str2 = "[1234]";
Buffer buf2(json_str2.c_str(), json_str2.length());
JSONMetadata md2(buf2);
EXPECT_THROWS_AS(md2.get("key1", dbl_tmp), AssertionFailed);
}
CASE("test_eckit_json_metadata_get_long") {
std::string json_str = "{\"key1\": 123.45, \"key2\": \"testing string\", \"key3\": [], \"key4\": 123}";
Buffer buf(json_str.c_str(), json_str.length());
JSONMetadata md(buf);
long long_tmp;
md.get("key4", long_tmp);
EXPECT(long_tmp == 123);
// Throws on incorrect type
EXPECT_THROWS_AS(md.get("key3", long_tmp), BadCast);
// Throws on missing key
EXPECT_THROWS_AS(md.get("keyunused", long_tmp), OutOfRange);
// Throws on non-dictionary root-value
std::string json_str2 = "[1234]";
Buffer buf2(json_str2.c_str(), json_str2.length());
JSONMetadata md2(buf2);
EXPECT_THROWS_AS(md2.get("key1", long_tmp), AssertionFailed);
}
//----------------------------------------------------------------------------------------------------------------------
} // namespace test
} // namespace eckit
int main(int argc, char** argv) {
return run_tests(argc, argv);
}
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