add config load test

pkg/config/config_test.go

@@ -0,0 +1,38 @@
+package config
+
+import (
+	"os"
+	"path"
+	"testing"
+)
+
+func TestLoad(t *testing.T) {
+	type args struct {
+		p []string
+	}
+
+	wd, err := os.Getwd()
+	if err != nil {
+		t.Errorf("Get WD error = %v", err)
+	}
+	fp := path.Join(wd, "..", "..", "config", "config.yml")
+
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name:    "test load config",
+			args:    args{p: []string{fp}},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := Load(tt.args.p...); (err != nil) != tt.wantErr {
+				t.Errorf("Load() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}