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Noja/examples/json/test.noja
T

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json = import("json.noja");
Error = String;
JSONValueType = (bool | float | String | Map | List | None);
TestCase = [String, ?JSONValueType, ?Error];
fun compareLists(a: List, b: List) {
len = count(a);
if len != count(b):
return false;
i = 0;
while i < len: {
if a[i] != b[i]:
return false;
i = i+1;
}
return true;
}
fun compareMaps(a: Map, b: Map) {
keys = keysof(a);
len = count(keys);
if len != count(b):
return false;
i = 0;
while i < len: {
k = keys[i];
if a[k] != b[k]:
return false;
i = i+1;
}
return true;
}
fun compareAny(a, b) {
Ta = type(a);
Tb = type(b);
if Ta != Tb:
return false;
if Ta == List:
return compareLists(a, b);
if Ta == Map:
return compareMaps(a, b);
return a == b;
}
fun runTestCase(test_case: TestCase) {
res, err = json.parse(test_case[0]);
return compareAny(res, test_case[1])
and compareAny(err, test_case[2]);
}
fun runAllTestCases(test_cases: List) {
total = count(test_cases);
passed = 0;
evaluated = 0;
while evaluated < total: {
test_case = test_cases[evaluated];
input = test_case[0];
expres = test_case[1]; # Expected result
experr = test_case[2]; # Expected error
res, err = json.parse(input);
#print("res=", res, ", err=", err, "\n");
#print("expres=", expres, ", experr=", experr, "\n");
result = compareAny(res, expres)
and compareAny(err, experr);
if result: {
print("Test ", evaluated, ": PASSED\n");
passed = passed+1;
} else {
print("Test ", evaluated, ": FAILED\n");
print("\tInput:\n");
print("\t\t", input, "\n");
if experr == none: {
if err == none:
print("\tGot result ", res, " but was expected ", expres, "\n");
else
print("\tFailed unexpectedly [", err, "]\n");
} else if err == none:
print("\tSucceded unexpectedly. Was expected error [", experr, "]\n");
else
print("\tWas expected error [", experr, "], but got [", err, "]\n");
}
evaluated = evaluated+1;
}
return passed, (total-passed), total;
}
fun newPassingTestCase(src: String, res: JSONValueType)
return [src, res, none];
fun newFailingTestCase(src: String, err: String)
return [src, none, err];
test_cases = [
newPassingTestCase("null", none),
newPassingTestCase("true", true),
newPassingTestCase("false", false),
newPassingTestCase("\"Hello, world!\"", "Hello, world!"),
newPassingTestCase("1", 1.0),
newPassingTestCase("2.3", 2.3),
newPassingTestCase("[]", []),
newPassingTestCase("[1]", [1.0]),
newPassingTestCase("[1, 2]", [1.0, 2.0]),
newPassingTestCase("[1, 2, 3]", [1.0, 2.0, 3.0]),
newPassingTestCase("{}", {}),
newPassingTestCase("{\"k1\": true}", {k1: true}),
newPassingTestCase("{\"k1\": true, \"k2\": false}", {k1: true, k2: false})
];
passed, failed, total = runAllTestCases(test_cases);
print("passed: ", passed, "\n");
print("failed: ", failed, "\n");
print(" total: ", total, "\n");