Add a test.

Author: winder

cmd/algocfg/getCommand_test.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPrint(t *testing.T) {
+	testcases := []struct {
+		input    interface{}
+		expected string
+	}{
+		{
+			input:    uint64(1234),
+			expected: "1234",
+		},
+		{
+			input:    int64(-1234),
+			expected: "-1234",
+		},
+		{
+			input:    true,
+			expected: "true",
+		},
+		{
+			input:    time.Second,
+			expected: "1s",
+		},
+	}
+	for i, tc := range testcases {
+		t.Run(fmt.Sprintf("test %d", i), func(t *testing.T) {
+			var buf bytes.Buffer
+			fmt.Fprintf(&buf, "%v", tc.input)
+			assert.Equal(t, tc.expected, buf.String())
+		})
+	}
+}