Initial upload with CI/CD workflow

tests/unit/test_cli.py

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+"""Unit tests for CLI module."""
+
+import pytest
+import os
+import tempfile
+from click.testing import CliRunner
+from codesnap.cli import main
+
+
+class TestCLI:
+    """Tests for CLI commands."""
+    
+    def setup_method(self) -> None:
+        self.runner = CliRunner()
+    
+    def test_main_help(self) -> None:
+        result = self.runner.invoke(main, ["--help"])
+        assert result.exit_code == 0
+        assert "CodeSnap" in result.output
+    
+    def test_cli_version(self) -> None:
+        result = self.runner.invoke(main, ["--version"])
+        assert result.exit_code == 0
+        assert "0.1.0" in result.output
+    
+    def test_cli_analyze_nonexistent_path(self) -> None:
+        result = self.runner.invoke(main, ["analyze", "/nonexistent/path"])
+        assert result.exit_code != 0
+    
+    def test_cli_analyze_current_directory(self) -> None:
+        with tempfile.TemporaryDirectory() as tmpdir:
+            with open(os.path.join(tmpdir, "test.py"), "w") as f:
+                f.write("def test(): pass\n")
+            result = self.runner.invoke(main, ["analyze", tmpdir])
+            assert result.exit_code == 0
+    
+    def test_cli_analyze_with_output_format(self) -> None:
+        with tempfile.TemporaryDirectory() as tmpdir:
+            with open(os.path.join(tmpdir, "test.py"), "w") as f:
+                f.write("def test(): pass\n")
+            result = self.runner.invoke(main, ["analyze", tmpdir, "--format", "json"])
+            assert result.exit_code == 0
+    
+    def test_cli_analyze_with_max_files(self) -> None:
+        with tempfile.TemporaryDirectory() as tmpdir:
+            with open(os.path.join(tmpdir, "test.py"), "w") as f:
+                f.write("def test(): pass\n")
+            result = self.runner.invoke(main, ["analyze", tmpdir, "--max-files", "10"])
+            assert result.exit_code == 0
+    
+    def test_cli_languages(self) -> None:
+        result = self.runner.invoke(main, ["languages"])
+        assert result.exit_code == 0
+        assert "python" in result.output.lower()
+
+    def test_cli_info_languages(self) -> None:
+        result = self.runner.invoke(main, ["info", "--languages"])
+        assert result.exit_code == 0
+        assert "python" in result.output.lower()