96 lines
3.0 KiB
Python
96 lines
3.0 KiB
Python
"""Tests for field extraction module."""
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import pytest
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from cmdparse.extractors import (
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extract_fields,
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get_nested_value,
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extract_array_index,
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flatten_dict
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)
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class TestGetNestedValue:
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def test_simple_dict_access(self):
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data = {'name': 'John', 'age': 30}
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assert get_nested_value(data, 'name') == 'John'
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assert get_nested_value(data, 'age') == 30
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def test_nested_dict_access(self):
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data = {'user': {'address': {'city': 'NYC'}}}
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assert get_nested_value(data, 'user.address.city') == 'NYC'
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def test_list_index_access(self):
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data = {'items': ['a', 'b', 'c']}
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assert get_nested_value(data, 'items.0') == 'a'
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assert get_nested_value(data, 'items.1') == 'b'
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def test_missing_key_returns_none(self):
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data = {'name': 'John'}
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assert get_nested_value(data, 'age') is None
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def test_none_data_returns_none(self):
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assert get_nested_value(None, 'name') is None
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class TestExtractArrayIndex:
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def test_with_array_index(self):
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base, index, rest = extract_array_index('items[0].name')
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assert base == 'items'
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assert index == 0
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assert rest == 'name'
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def test_without_array_index(self):
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base, index, rest = extract_array_index('name')
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assert base == 'name'
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assert index is None
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assert rest is None
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class TestExtractFields:
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def test_extract_single_field(self):
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data = [{'name': 'John', 'age': 30, 'city': 'NYC'}]
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result = extract_fields(data, ['name'])
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assert result == [{'name': 'John'}]
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def test_extract_multiple_fields(self):
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data = [{'name': 'John', 'age': 30, 'city': 'NYC'}]
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result = extract_fields(data, ['name', 'city'])
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assert result == [{'name': 'John', 'city': 'NYC'}]
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def test_extract_nested_fields(self):
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data = [{'user': {'name': 'John', 'age': 30}}]
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result = extract_fields(data, ['user.name'])
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assert result == [{'user.name': 'John'}]
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def test_extract_from_multiple_rows(self):
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data = [
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{'name': 'John', 'age': 30},
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{'name': 'Jane', 'age': 25}
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]
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result = extract_fields(data, ['name'])
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assert result == [{'name': 'John'}, {'name': 'Jane'}]
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def test_empty_fields_returns_original(self):
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data = [{'name': 'John', 'age': 30}]
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result = extract_fields(data, [])
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assert result == data
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def test_empty_data_returns_empty(self):
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result = extract_fields([], ['name'])
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assert result == []
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class TestFlattenDict:
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def test_flatten_simple_dict(self):
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d = {'name': 'John', 'age': 30}
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result = flatten_dict(d)
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assert result == {'name': 'John', 'age': 30}
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def test_flatten_nested_dict(self):
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d = {'user': {'name': 'John', 'address': {'city': 'NYC'}}}
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result = flatten_dict(d)
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assert 'user.name' in result
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assert 'user.address.city' in result
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assert result['user.name'] == 'John'
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assert result['user.address.city'] == 'NYC'
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