diff --git a/local_code_assistant/commands/test.py b/local_code_assistant/commands/test.py
new file mode 100644
index 0000000..2620f3f
--- /dev/null
+++ b/local_code_assistant/commands/test.py
@@ -0,0 +1,210 @@
+"""Test command for Local Code Assistant."""
+
+from pathlib import Path
+from typing import Optional
+
+import click
+from rich.console import Console
+from rich.panel import Panel
+from rich.syntax import Syntax
+
+from local_code_assistant.commands.base import BaseCommand
+from local_code_assistant.prompts.templates import LanguageConfig, PromptTemplates
+from local_code_assistant.services.ollama import OllamaService
+
+console = Console()
+
+
+class TestCommand(BaseCommand):
+    """Command for generating tests."""
+
+    def __init__(self, ollama: OllamaService, config):
+        """Initialize test command.
+
+        Args:
+            ollama: Ollama service instance.
+            config: Configuration service instance.
+        """
+        super().__init__(ollama, config)
+        self.supported_languages = LanguageConfig.get_supported_languages()
+
+    def run(
+        self,
+        code: str,
+        language: str,
+        framework: Optional[str] = None,
+        output: Optional[Path] = None,
+        clipboard: bool = False
+    ) -> str:
+        """Execute test generation.
+
+        Args:
+            code: Code to generate tests for.
+            language: Programming language.
+            framework: Testing framework (auto-detected if not provided).
+            output: Output file path.
+            clipboard: Copy to clipboard.
+
+        Returns:
+            Generated test code.
+        """
+        if not self.ollama.check_connection():
+            raise click.ClickException(
+                "Cannot connect to Ollama. Make sure it's running."
+            )
+
+        if language not in self.supported_languages:
+            raise click.ClickException(f"Unsupported language: {language}")
+
+        console.print("[dim]Generating tests...[/dim]")
+
+        full_prompt = PromptTemplates.test_generation(
+            language=language,
+            code=code
+        )
+
+        system_prompt = PromptTemplates.build_system_prompt(
+            "You are writing tests. Be thorough and cover edge cases."
+        )
+
+        try:
+            test_code = self.ollama.generate(
+                prompt=full_prompt,
+                model=self._get_model(),
+                system=system_prompt,
+                temperature=self._get_temperature(0.3)
+            )
+
+            self._display_output(test_code, language)
+
+            if output:
+                output.write_text(test_code)
+                console.print(f"[green]Tests written to {output}[/green]")
+
+            if clipboard:
+                import pyperclip
+                pyperclip.copy(test_code)
+                console.print("[green]Tests copied to clipboard[/green]")
+
+            return test_code
+
+        except Exception as e:
+            raise click.ClickException(f"Test generation failed: {str(e)}") from e
+
+    def run_file(
+        self,
+        file: Path,
+        framework: Optional[str] = None,
+        output: Optional[Path] = None,
+        clipboard: bool = False
+    ) -> str:
+        """Generate tests for a file.
+
+        Args:
+            file: Path to file.
+            framework: Testing framework.
+            output: Output file path.
+            clipboard: Copy to clipboard.
+
+        Returns:
+            Generated test code.
+        """
+        if not file.exists():
+            raise click.ClickException(f"File not found: {file}")
+
+        code = file.read_text()
+        language = self._detect_language_from_file(file)
+
+        return self.run(
+            code=code,
+            language=language,
+            framework=framework,
+            output=output,
+            clipboard=clipboard
+        )
+
+    def _detect_language_from_file(self, file: Path) -> str:
+        """Detect language from file extension.
+
+        Args:
+            file: File path.
+
+        Returns:
+            Language name.
+        """
+        suffix = file.suffix.lower()
+
+        language_map = {
+            ".py": "python",
+            ".js": "javascript",
+            ".ts": "typescript",
+            ".tsx": "typescript",
+            ".go": "go",
+            ".rs": "rust"
+        }
+
+        return language_map.get(suffix, "python")
+
+    def _display_output(self, code: str, language: str):
+        """Display generated test code.
+
+        Args:
+            code: Test code.
+            language: Programming language.
+        """
+        if self.config.syntax_highlighting:
+            syntax = Syntax(code, language, line_numbers=True)
+            console.print(Panel(syntax, title="Generated Tests"))
+        else:
+            console.print(Panel(code, title="Generated Tests"))
+
+
+@click.command()
+@click.argument("file", type=click.Path(exists=True, path_type=Path))
+@click.option(
+    "--framework", "-f",
+    help="Testing framework (auto-detected if not specified)"
+)
+@click.option(
+    "--output", "-o",
+    type=click.Path(path_type=Path),
+    help="Write tests to file"
+)
+@click.option(
+    "--clipboard/--no-clipboard",
+    default=False,
+    help="Copy tests to clipboard"
+)
+@click.pass_context
+def test_cmd(
+    ctx: click.Context,
+    file: Path,
+    framework: Optional[str],
+    output: Optional[Path],
+    clipboard: bool
+):
+    """Generate tests for a code file.
+
+    Example:
+        local-code-assistant test my_module.py
+        local-code-assistant test app.py -o test_app.py
+
+    \f
+    Args:
+        ctx: Click context.
+        file: Path to file to generate tests for.
+        framework: Testing framework.
+        output: Output file path.
+        clipboard: Copy to clipboard.
+    """
+    config = ctx.obj["config"]
+    ollama_service = OllamaService(config)
+    ctx.obj["ollama_service"] = ollama_service
+
+    command = TestCommand(ollama_service, config)
+    command.run_file(
+        file=file,
+        framework=framework,
+        output=output,
+        clipboard=clipboard
+    )
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