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CLI_repozitory/tests/test_core.py

65 lines
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Python

from pathlib import Path
import pytest
from text_analyzer.core import analyze_file
def test_basic_analysis(tmp_path: Path) -> None:
test_file = tmp_path / "test.txt"
test_file.write_text("hello world\nhello python")
res = analyze_file(test_file)
assert res["lines"] == 2
assert res["words"] == 4
assert res["top_words"] == [("hello", 2), ("world", 1), ("python", 1)]
def test_file_not_found() -> None:
with pytest.raises(FileNotFoundError):
analyze_file(Path("non_existent_file_123.txt"))
def test_empty_file(tmp_path: Path) -> None:
test_file = tmp_path / "empty.txt"
test_file.write_text("")
res = analyze_file(test_file)
assert res["lines"] == 0
assert res["words"] == 0
assert res["top_words"] == []
@pytest.mark.parametrize(
"min_len,expected_words",
[
(1, 4),
(3, 2),
(4, 1),
],
)
def test_min_length_filter(tmp_path: Path, min_len: int, expected_words: int) -> None:
test_file = tmp_path / "filter.txt"
test_file.write_text("a ab abc abcd")
res = analyze_file(test_file, min_len=min_len)
assert res["words"] == expected_words
def test_top_n_param(tmp_path: Path) -> None:
test_file = tmp_path / "top.txt"
test_file.write_text("one two two three three three")
res = analyze_file(test_file, top_n=2)
top_words = res["top_words"]
assert isinstance(top_words, list)
assert len(top_words) == 2
def test_punctuation_stripping(tmp_path: Path) -> None:
test_file = tmp_path / "punct.txt"
test_file.write_text("hello, world! hello...")
res = analyze_file(test_file)
assert res["top_words"] == [("hello", 2), ("world", 1)]