add tests

Makefile

@@ -22,14 +22,8 @@ deploy: build
 	echo "not implemented"
 
 .PHONY: lint
-lint:
-	poetry run ruff check --fix src/
+lint: pre-commit
 
-.PHONY: format
-format:
-	poetry run isort src/
-	poetry run black src/
-	poetry run ruff --fix --preview src/
 
 .PHONY: test
 test:

pyproject.toml

@@ -228,7 +228,7 @@ follow_imports_for_stubs = true
 ignore_missing_imports = true
 
 [tool.poetry.scripts]
-rejx = "rejx.cli:app"
+rejx = "rejx.__main__:app"
 
 [build-system]
 requires = ["poetry-core >= 1.0.0"]

src/rejx/__init__.py

@@ -0,0 +1,26 @@
+from .cli import (
+    app,
+    apply_changes,
+    build_file_tree,
+    clean,
+    diff,
+    find_rej_files,
+    fix,
+    fix_all,
+    ls,
+    parse_rej_file,
+    process_rej_file,
+)
+
+__all__ = [
+    "apply_changes",
+    "build_file_tree",
+    "clean",
+    "diff",
+    "find_rej_files",
+    "fix_all",
+    "fix",
+    "ls",
+    "parse_rej_file",
+    "process_rej_file",
+]

src/rejx/__main__.py

@@ -0,0 +1,5 @@
+"""rejx."""
+from .cli import app
+
+if __name__ == "__main__":
+    app()

tests/data/sample.txt

@@ -0,0 +1,3 @@
+Line 1
+Line 2 - Modified
+Line 3

tests/data/sample.txt.rej

@@ -0,0 +1,6 @@
+--- sample.txt
++++ sample.txt
+@@ -2,3 +2,3 @@
+-Line 2
++Line 2 - Modified
+Line 3

tests/test_rejx.py

@@ -0,0 +1,120 @@
+"""Unittest for rejx."""
+import os
+from pathlib import Path
+
+import pytest
+from typer.testing import CliRunner
+
+import rejx
+from rejx import app
+
+# Constants
+TEST_DATA_DIR = Path(__file__).parent / "data"
+SAMPLE_REJ_FILE = TEST_DATA_DIR / "sample.txt.rej"
+SAMPLE_CONTENT = """--- sample.txt
++++ sample.txt
+@@ -2,3 +2,3 @@
+-Line 2
++Line 2 - Modified
+Line 3
+"""
+
+runner = CliRunner()
+
+
+@pytest.fixture()
+def sample_rej_file():
+    return str(TEST_DATA_DIR / "sample.txt.rej")
+
+
+@pytest.fixture()
+def sample_target_file():
+    return str(TEST_DATA_DIR / "sample.txt")
+
+
+@pytest.fixture(autouse=True)
+def _setup_sample_rej_file() -> None:
+    """Fixture to ensure the sample.txt.rej file is present and properly formatted for each test."""
+    # Ensure the test data directory exists
+    TEST_DATA_DIR.mkdir(exist_ok=True)
+
+    # Write the content to sample.txt.rej
+    with open(SAMPLE_REJ_FILE, "w", encoding="utf-8") as file:
+        file.write(SAMPLE_CONTENT)
+
+    # Cleanup (optional, depending on whether you want to keep the file after the test)
+
+
+def test_find_rej_files():
+    os.chdir(TEST_DATA_DIR)  # Change current directory to test data directory
+    rej_files = rejx.find_rej_files()
+    assert len(rej_files) > 0
+    assert all(file.endswith(".rej") for file in rej_files)
+
+
+def test_parse_rej_file(sample_rej_file: str):
+    rej_lines = rejx.parse_rej_file(sample_rej_file)
+    assert rej_lines is not None
+    assert isinstance(rej_lines, list)
+
+
+def test_apply_changes(sample_rej_file: str, sample_target_file: str):
+    with open(sample_target_file, encoding="utf-8") as f:
+        target_lines = f.readlines()
+    rej_lines = rejx.parse_rej_file(sample_rej_file)
+    modified_lines = rejx.apply_changes(target_lines, rej_lines)
+
+    expected_lines = ["Line 1\n", "Line 2 - Modified\n", "Line 3\n"]
+
+    assert modified_lines == expected_lines
+    assert isinstance(modified_lines, list)
+
+
+def test_process_rej_file(sample_rej_file: str):
+    result = rejx.process_rej_file(sample_rej_file)
+    assert result
+
+
+#####################################
+#                                   #
+#           REJX COMMANDS           #
+#                                   #
+#####################################
+def test_fix(sample_rej_file: str):
+    result = runner.invoke(app, ["fix", sample_rej_file])
+    assert result.exit_code == 0
+
+
+def test_fix_all():
+    result = runner.invoke(app, ["fix-all"])
+    assert result.exit_code == 0
+
+
+def test_ls():
+    result = runner.invoke(app, ["ls"])
+    assert result.exit_code == 0
+
+
+def test_ls_list():
+    result = runner.invoke(app, ["ls", "--view", "list"])
+    assert result.exit_code == 0
+
+
+def test_ls_tree():
+    result = runner.invoke(app, ["ls", "--view", "tree"])
+    assert result.exit_code == 0
+
+
+def test_clean():
+    result = runner.invoke(app, ["clean"])
+    assert result.exit_code == 0
+
+
+def test_clean_with_preview():
+    result = runner.invoke(app, ["clean", "--preview"], input="y\n")
+    assert result.exit_code == 0
+
+
+def test_diff():
+    result = runner.invoke(app, ["diff"])
+    assert result.exit_code == 0