146 lines
4.8 KiB
Python
146 lines
4.8 KiB
Python
import json
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from datetime import date
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from pathlib import Path
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from unittest.mock import MagicMock
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import pytest
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from app.library.encoder import Encoder
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class TestEncoder:
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"""Test the Encoder class."""
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def setup_method(self):
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"""Set up test fixtures."""
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self.encoder = Encoder()
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def test_path_serialization(self):
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"""Test that Path objects are serialized as strings."""
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path = Path("/tmp/test/file.txt")
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result = self.encoder.default(path)
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assert result == "/tmp/test/file.txt"
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assert isinstance(result, str)
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def test_path_serialization_relative(self):
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"""Test that relative Path objects are serialized correctly."""
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path = Path("relative/path/file.txt")
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result = self.encoder.default(path)
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assert result == "relative/path/file.txt"
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def test_date_serialization(self):
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"""Test that date objects are serialized as strings."""
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test_date = date(2024, 3, 15)
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result = self.encoder.default(test_date)
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assert result == "2024-03-15"
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def test_object_with_serialize_method(self):
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"""Test that objects with serialize method use it."""
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class CustomObject:
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def serialize(self):
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return {"custom": "data", "type": "test"}
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obj = CustomObject()
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result = self.encoder.default(obj)
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assert result == {"custom": "data", "type": "test"}
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def test_object_with_dict_fallback(self):
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"""Test that objects without serialize method fall back to __dict__."""
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class SimpleObject:
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def __init__(self):
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self.name = "test"
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self.value = 42
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obj = SimpleObject()
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result = self.encoder.default(obj)
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assert result == {"name": "test", "value": 42}
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def test_object_default(self):
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"""Test that objects without __dict__ fall back to default JSONEncoder."""
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# This should raise TypeError since complex is not JSON serializable
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with pytest.raises(TypeError):
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self.encoder.default(complex(1, 2))
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def test_json_dumps_integration(self):
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"""Test full JSON serialization with various types."""
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data = {"path": Path("/tmp/test.txt"), "date": date(2024, 1, 1), "number": 42, "string": "test"}
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result = json.dumps(data, cls=Encoder)
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parsed = json.loads(result)
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assert parsed["path"] == "/tmp/test.txt"
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assert parsed["date"] == "2024-01-01"
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assert parsed["number"] == 42
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assert parsed["string"] == "test"
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def test_json_dumps_with_custom_object(self):
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"""Test JSON serialization with custom objects."""
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class TestObject:
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def __init__(self):
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self.name = "test"
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self.items = [1, 2, 3]
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data = {"object": TestObject(), "regular": "data"}
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result = json.dumps(data, cls=Encoder)
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parsed = json.loads(result)
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assert parsed["object"]["name"] == "test"
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assert parsed["object"]["items"] == [1, 2, 3]
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assert parsed["regular"] == "data"
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def test_nested_serialization(self):
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"""Test serialization of nested structures with various types."""
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class CustomObj:
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def serialize(self):
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return {"serialized": True}
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data = {
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"paths": [Path("/tmp/1.txt"), Path("/tmp/2.txt")],
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"dates": [date(2024, 1, 1), date(2024, 12, 31)],
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"custom": CustomObj(),
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"nested": {"path": Path("/nested/path"), "date": date(2024, 6, 15)},
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}
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result = json.dumps(data, cls=Encoder)
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parsed = json.loads(result)
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assert parsed["paths"] == ["/tmp/1.txt", "/tmp/2.txt"]
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assert parsed["dates"] == ["2024-01-01", "2024-12-31"]
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assert parsed["custom"] == {"serialized": True}
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assert parsed["nested"]["path"] == "/nested/path"
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assert parsed["nested"]["date"] == "2024-06-15"
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def test_mock_daterange_serialization(self):
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"""Test DateRange serialization with mock object."""
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# Mock a DateRange-like object
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mock_daterange = MagicMock()
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mock_daterange.start = date(2024, 1, 15)
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mock_daterange.end = date(2024, 12, 31)
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# Mock isinstance to return True for DateRange
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import builtins
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original_isinstance = builtins.isinstance
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def mock_isinstance(obj, cls):
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if obj is mock_daterange and hasattr(cls, "__name__") and "DateRange" in str(cls):
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return True
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return original_isinstance(obj, cls)
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builtins.isinstance = mock_isinstance
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try:
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result = self.encoder.default(mock_daterange)
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expected = {"start": "20240115", "end": "20241231"}
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assert result == expected
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finally:
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builtins.isinstance = original_isinstance
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if __name__ == "__main__":
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pytest.main([__file__])
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