test: add -> None return type annotations to all test methods

shellhist/tests/test_export.py

@@ -16,7 +16,7 @@ from shellhist.core.patterns import CommandPattern
 class TestGenerateAlias:
     """Test alias generation functionality."""
 
-    def test_generate_alias_single_command(self):
+    def test_generate_alias_single_command(self) -> None:
         """Test generating alias for single command."""
         pattern = CommandPattern(
             commands=("git status",),
@@ -29,7 +29,7 @@ class TestGenerateAlias:
         assert alias.startswith("alias ")
         assert "git status" in alias
 
-    def test_generate_alias_multiple_commands(self):
+    def test_generate_alias_multiple_commands(self) -> None:
         """Test generating alias for multiple commands."""
         pattern = CommandPattern(
             commands=("git add .", "git commit", "git push"),
@@ -43,7 +43,7 @@ class TestGenerateAlias:
         assert "git commit" in alias
         assert "git push" in alias
 
-    def test_generate_alias_custom_name(self):
+    def test_generate_alias_custom_name(self) -> None:
         """Test generating alias with custom name."""
         pattern = CommandPattern(
             commands=("echo test",),
@@ -59,7 +59,7 @@ class TestGenerateAlias:
 class TestGenerateAliasName:
     """Test alias name generation."""
 
-    def test_alias_name_from_command(self):
+    def test_alias_name_from_command(self) -> None:
         """Test generating alias name from command."""
         pattern = CommandPattern(
             commands=("git status",),
@@ -71,7 +71,7 @@ class TestGenerateAliasName:
         
         assert "git" in name.lower() or "status" in name.lower()
 
-    def test_alias_name_from_multiple_commands(self):
+    def test_alias_name_from_multiple_commands(self) -> None:
         """Test generating alias name from multiple commands."""
         pattern = CommandPattern(
             commands=("git add .", "git commit", "git push"),
@@ -87,7 +87,7 @@ class TestGenerateAliasName:
 class TestGenerateScript:
     """Test script generation functionality."""
 
-    def test_generate_script_dry_run(self):
+    def test_generate_script_dry_run(self) -> None:
         """Test script generation in dry-run mode."""
         pattern = CommandPattern(
             commands=("echo hello", "echo world"),
@@ -101,7 +101,7 @@ class TestGenerateScript:
         assert "echo world" in content
         assert "shellhist_" in path
 
-    def test_generate_script_with_custom_name(self):
+    def test_generate_script_with_custom_name(self) -> None:
         """Test script generation with custom name."""
         pattern = CommandPattern(
             commands=("ls -la",),
@@ -117,7 +117,7 @@ class TestGenerateScript:
         
         assert "my_custom_script" in path
 
-    def test_generate_script_actual_write(self):
+    def test_generate_script_actual_write(self) -> None:
         """Test actual script file creation."""
         pattern = CommandPattern(
             commands=("echo test",),
@@ -139,7 +139,7 @@ class TestGenerateScript:
             
             assert "echo test" in saved_content
 
-    def test_script_permissions(self):
+    def test_script_permissions(self) -> None:
         """Test that generated scripts are executable."""
         pattern = CommandPattern(
             commands=("echo test",),
@@ -161,7 +161,7 @@ class TestGenerateScript:
 class TestGenerateScriptName:
     """Test script name generation."""
 
-    def test_script_name_from_commands(self):
+    def test_script_name_from_commands(self) -> None:
         """Test generating script name from commands."""
         pattern = CommandPattern(
             commands=("git status", "git log"),
@@ -174,7 +174,7 @@ class TestGenerateScriptName:
         assert len(name) > 0
         assert name.startswith("shellhist_")
 
-    def test_script_name_sanitization(self):
+    def test_script_name_sanitization(self) -> None:
         """Test that script names are sanitized."""
         pattern = CommandPattern(
             commands=("ls -la /tmp",),