Adding test cases

tests/run_tests.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+# Run codetyper.nvim tests using plenary.nvim
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${YELLOW}Running codetyper.nvim tests...${NC}"
+echo "Project root: $PROJECT_ROOT"
+echo ""
+
+# Check if plenary is installed
+PLENARY_PATH=""
+POSSIBLE_PATHS=(
+    "$HOME/.local/share/nvim/lazy/plenary.nvim"
+    "$HOME/.local/share/nvim/site/pack/packer/start/plenary.nvim"
+    "$HOME/.config/nvim/plugged/plenary.nvim"
+    "/opt/homebrew/share/nvim/site/pack/packer/start/plenary.nvim"
+)
+
+for path in "${POSSIBLE_PATHS[@]}"; do
+    if [ -d "$path" ]; then
+        PLENARY_PATH="$path"
+        break
+    fi
+done
+
+if [ -z "$PLENARY_PATH" ]; then
+    echo -e "${RED}Error: plenary.nvim not found!${NC}"
+    echo "Please install plenary.nvim first:"
+    echo "  - With lazy.nvim: { 'nvim-lua/plenary.nvim' }"
+    echo "  - With packer: use 'nvim-lua/plenary.nvim'"
+    exit 1
+fi
+
+echo "Found plenary at: $PLENARY_PATH"
+echo ""
+
+# Run tests
+if [ "$1" == "--file" ] && [ -n "$2" ]; then
+    # Run specific test file
+    echo -e "${YELLOW}Running: $2${NC}"
+    nvim --headless \
+        -u "$SCRIPT_DIR/minimal_init.lua" \
+        -c "PlenaryBustedFile $SCRIPT_DIR/spec/$2"
+else
+    # Run all tests
+    echo -e "${YELLOW}Running all tests in spec/ directory${NC}"
+    nvim --headless \
+        -u "$SCRIPT_DIR/minimal_init.lua" \
+        -c "PlenaryBustedDirectory $SCRIPT_DIR/spec/ {minimal_init = '$SCRIPT_DIR/minimal_init.lua'}"
+fi
+
+echo ""
+echo -e "${GREEN}Tests completed!${NC}"