Fix: Handle missing config file gracefully (#2)

task.py

@@ -10,10 +10,32 @@
 from commands.done import mark_done
 
 
+DEFAULT_CONFIG = """# Task storage settings
+storage:
+  format: json
+  max_tasks: 1000
+
+# Display settings
+display:
+  color: true
+  unicode: true
+"""
+
+
 def load_config():
-    """Load configuration from file."""
-    config_path = Path.home() / ".config" / "task-cli" / "config.yaml"
-    # NOTE: This will crash if config doesn't exist - known bug for bounty testing
+    """Load configuration from file.
+
+    Creates a default config if the file doesn't exist.
+    Returns the config content as a string.
+    """
+    config_dir = Path.home() / ".config" / "task-cli"
+    config_path = config_dir / "config.yaml"
+
+    if not config_path.exists():
+        config_dir.mkdir(parents=True, exist_ok=True)
+        config_path.write_text(DEFAULT_CONFIG)
+        print(f"Created default config at {config_path}")
+
     with open(config_path) as f:
         return f.read()
 
@@ -35,6 +57,9 @@ def main():
 
     args = parser.parse_args()
 
+    # Load config (creates default if missing)
+    load_config()
+
     if args.command == "add":
         add_task(args.description)
     elif args.command == "list":

test_task.py

@@ -1,10 +1,15 @@
 """Basic tests for task CLI."""
 
 import json
+import os
+import shutil
+import tempfile
+
 import pytest
 from pathlib import Path
 from commands.add import add_task, validate_description
 from commands.done import validate_task_id
+from task import load_config, DEFAULT_CONFIG
 
 
 def test_validate_description():
@@ -28,3 +33,34 @@ def test_validate_task_id():
 
     with pytest.raises(ValueError):
         validate_task_id(tasks, 99)
+
+
+def test_load_config_creates_default_when_missing(tmp_path, monkeypatch):
+    """Test that load_config creates default config when file is missing."""
+    monkeypatch.setattr(Path, "home", lambda: tmp_path)
+
+    config = load_config()
+
+    config_path = tmp_path / ".config" / "task-cli" / "config.yaml"
+    assert config_path.exists()
+    assert "storage:" in config
+    assert "display:" in config
+
+
+def test_load_config_reads_existing(tmp_path, monkeypatch):
+    """Test that load_config reads existing config file."""
+    monkeypatch.setattr(Path, "home", lambda: tmp_path)
+
+    config_dir = tmp_path / ".config" / "task-cli"
+    config_dir.mkdir(parents=True)
+    (config_dir / "config.yaml").write_text("custom: true\n")
+
+    config = load_config()
+    assert "custom: true" in config
+
+
+def test_default_config_is_valid_yaml():
+    """Test that DEFAULT_CONFIG is valid YAML-like content."""
+    assert "storage:" in DEFAULT_CONFIG
+    assert "display:" in DEFAULT_CONFIG
+    assert "format: json" in DEFAULT_CONFIG