fix: resolve CI issues - push complete implementation with tests

tests/test_code_analyzer.py

@@ -1,5 +1,3 @@
-"""Tests for the CodeAnalyzer module."""
-
 import sys
 from pathlib import Path
 
@@ -9,16 +7,12 @@ from gdiffer.code_analyzer import analyze_code, summarize_change
 
 
 class TestCodeAnalyzer:
-    """Tests for CodeAnalyzer class."""
-
     def test_analyze_empty_code(self, code_analyzer):
-        """Test analyzing empty code."""
         result = code_analyzer.analyze_code("")
         assert result['language'] == "text"
         assert result['change_summary'] == ""
 
     def test_analyze_python_code(self, code_analyzer):
-        """Test analyzing Python code."""
         code = """def hello():
     return "Hello"
 
@@ -32,7 +26,6 @@ class Greeter:
         assert 'functions' in result or 'ast_info' in result
 
     def test_analyze_javascript_code(self, code_analyzer):
-        """Test analyzing JavaScript code."""
         code = """function add(a, b) {
     return a + b;
 }
@@ -44,7 +37,6 @@ const multiply = (x, y) => x * y;
         assert result['language'] == "javascript"
 
     def test_analyze_rust_code(self, code_analyzer):
-        """Test analyzing Rust code."""
         code = """fn main() {
     println!("Hello");
 }
@@ -59,9 +51,8 @@ struct Point {
         assert result['language'] == "rust"
 
     def test_summarize_change_simple(self, code_analyzer):
-        """Test summarizing simple code changes."""
+        old_code = "def hello():\n    return 'Hello'"
-        old_code = "def hello():\\n    return 'Hello'"
+        new_code = "def hello():\n    return 'Hello, World!'"
-        new_code = "def hello():\\n    return 'Hello, World!'"
 
         summary = code_analyzer.summarize_change(old_code, new_code, "python")
 
@@ -69,9 +60,8 @@ struct Point {
         assert len(summary) > 0
 
     def test_summarize_change_added_function(self, code_analyzer):
-        """Test summarizing when a function is added."""
         old_code = ""
-        new_code = "def new_func():\\n    pass"
+        new_code = "def new_func():\n    pass"
 
         summary = code_analyzer.summarize_change(old_code, new_code, "python")
 
@@ -79,8 +69,7 @@ struct Point {
         assert len(summary) > 0
 
     def test_summarize_change_removed_function(self, code_analyzer):
-        """Test summarizing when a function is removed."""
+        old_code = "def old_func():\n    pass"
-        old_code = "def old_func():\\n    pass"
         new_code = ""
 
         summary = code_analyzer.summarize_change(old_code, new_code, "python")
@@ -88,14 +77,12 @@ struct Point {
         assert isinstance(summary, str)
 
     def test_analyze_code_without_parser(self, code_analyzer):
-        """Test analyzing code when tree-sitter parser is unavailable."""
         code = "def test(): pass"
         result = code_analyzer.analyze_code(code, "unknown_language")
 
         assert 'change_summary' in result
 
     def test_fallback_analysis_detects_functions(self, code_analyzer):
-        """Test that fallback analysis can detect functions."""
         code = """def calculate_sum(a, b):
     return a + b
 
@@ -108,7 +95,6 @@ def multiply(x, y):
         assert "calculate_sum" in result or "multiply" in result or "function" in result.lower()
 
     def test_fallback_analysis_detects_classes(self, code_analyzer):
-        """Test that fallback analysis can detect classes."""
         code = """class Calculator:
     def add(self, a, b):
         return a + b
@@ -118,8 +104,7 @@ def multiply(x, y):
         assert "Calculator" in result or "class" in result.lower()
 
     def test_fallback_analysis_line_count(self, code_analyzer):
-        """Test that fallback analysis includes line count."""
+        new_code = "line1\nline2\nline3"
-        new_code = "line1\\nline2\\nline3"
 
         result = code_analyzer._analyze_without_parser(new_code)
 
@@ -127,24 +112,17 @@ def multiply(x, y):
 
 
 class TestAnalyzeCodeFunction:
-    """Tests for the analyze_code convenience function."""
-
     def test_analyze_code_function(self):
-        """Test analyze_code convenience function."""
         result = analyze_code("def test(): pass", "python")
         assert 'language' in result
         assert 'change_summary' in result
 
     def test_analyze_code_empty(self):
-        """Test analyze_code with empty code."""
         result = analyze_code("", "text")
         assert result['language'] == "text"
 
 
 class TestSummarizeChangeFunction:
-    """Tests for the summarize_change convenience function."""
-
     def test_summarize_change_function(self):
-        """Test summarize_change convenience function."""
         result = summarize_change("old", "new", "text")
         assert isinstance(result, str)