mirror of
https://github.com/gorules/zen.git
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101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
import json
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import os.path
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import unittest
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import glob
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import zen
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def loader(key):
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with open("../../test-data/" + key, "r") as f:
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return f.read()
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def graph_loader(key):
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with open("../../test-data/graphs/" + key, "r") as f:
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return f.read()
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def custom_handler(request):
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p1 = request.get_field("prop1")
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return {
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"output": {"sum": p1}
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}
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# The test based on unittest module
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class ZenEngine(unittest.TestCase):
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def test_decision_using_loader(self):
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engine = zen.ZenEngine({"loader": loader})
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r1 = engine.evaluate("function.json", {"input": 5})
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r2 = engine.evaluate("table.json", {"input": 2})
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r3 = engine.evaluate("table.json", {"input": 12})
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self.assertEqual(r1["result"]["output"], 10)
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self.assertEqual(r2["result"]["output"], 0)
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self.assertEqual(r3["result"]["output"], 10)
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def test_decisions_using_getDecision(self):
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engine = zen.ZenEngine({"loader": loader})
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functionDecision = engine.get_decision("function.json")
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tableDecision = engine.get_decision("table.json")
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r1 = functionDecision.evaluate({"input": 10})
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r2 = tableDecision.evaluate({"input": 5})
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r3 = tableDecision.evaluate({"input": 12})
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self.assertEqual(r1["result"]["output"], 20)
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self.assertEqual(r2["result"]["output"], 0)
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self.assertEqual(r3["result"]["output"], 10)
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def test_create_decisions_from_content(self):
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engine = zen.ZenEngine()
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with open("../../test-data/function.json", "r") as f:
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functionContent = f.read()
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functionDecision = engine.create_decision(functionContent)
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r = functionDecision.evaluate({"input": 15})
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self.assertEqual(r["result"]["output"], 30)
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def test_engine_custom_handler(self):
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engine = zen.ZenEngine({"loader": loader, "customHandler": custom_handler})
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r1 = engine.evaluate("custom.json", {"a": 10})
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r2 = engine.evaluate("custom.json", {"a": 20})
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r3 = engine.evaluate("custom.json", {"a": 30})
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self.assertEqual(r1["result"]["sum"], 20)
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self.assertEqual(r2["result"]["sum"], 30)
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self.assertEqual(r3["result"]["sum"], 40)
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def test_evaluate_expression(self):
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result = zen.evaluate_expression("sum(a)", {"a": [1, 2, 3, 4]})
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self.assertEqual(result, 10)
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def test_evaluate_unary_expression(self):
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result = zen.evaluate_unary_expression("'FR', 'ES', 'GB'", {"$": "GB"})
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self.assertEqual(result, True)
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def test_render_template(self):
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result = zen.render_template("{{ a + b }}", {"a": 10, "b": 20})
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self.assertEqual(result, 30)
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def test_evaluate_graphs(self):
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engine = zen.ZenEngine({"loader": graph_loader})
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json_files = glob.glob("../../test-data/graphs/*.json")
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for json_file in json_files:
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with open(json_file, "r") as f:
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json_contents = json.loads(f.read())
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for test_case in json_contents["tests"]:
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key = os.path.basename(json_file)
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engine_response = engine.evaluate(key, test_case["input"])
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decision = engine.get_decision(key)
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decision_response = decision.evaluate(test_case["input"])
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self.assertEqual(engine_response["result"], test_case["output"])
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self.assertEqual(decision_response["result"], test_case["output"])
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if __name__ == '__main__':
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unittest.main()
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