add del command

add tests for all commands

wrap entry point with fang

add --version flag
target to Taskfile

cmd/list_test.go

@@ -0,0 +1,46 @@
+package cmd
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestRunListCommand(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{
+			name:     "Empty file",
+			input:    defaultExcludeFileContent,
+			expected: "No patterns found in the exclude file.\n",
+		},
+		{
+			name:     "Exclude file with patterns",
+			input:    defaultExcludeFileContent + "node_modules/\nbuild/\n# This is a comment\n",
+			expected: "node_modules/\nbuild/\n",
+		},
+		{
+			name:     "Exclude file with only comments and empty lines",
+			input:    defaultExcludeFileContent + "# Comment 1\n# Comment 2\n\n",
+			expected: "No patterns found in the exclude file.\n",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			reader := bytes.NewBufferString(tt.input)
+			var output bytes.Buffer
+
+			err := runListCommand(&output, reader)
+			if err != nil {
+				t.Fatalf("runListCommand returned an error: %v", err)
+			}
+
+			if output.String() != tt.expected {
+				t.Errorf("Expected output:\n%q\nGot:\n%q", tt.expected, output.String())
+			}
+		})
+	}
+}