library-go/utils/invited_code/convert_test.go

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package invited_code
import (
"github.com/stretchr/testify/assert"
"testing"
)
// 測試 ConvertUseCase 的功能
func TestConverter(t *testing.T) {
tests := []struct {
name string
id int64
base int
length int
wantCode string
wantError bool
}{
{
name: "Test Case 1: Valid ID 1000000",
id: 10000000,
base: 10,
length: 7,
wantCode: "DOOOOOOO",
wantError: false,
},
{
name: "Test Case 2: Valid ID 12345678",
id: 12345678,
base: 10,
length: 8,
wantCode: "DWXYGBCH",
wantError: false,
},
{
name: "Test Case 3: Valid ID 98765432",
id: 98765432,
base: 10,
length: 8,
wantCode: "EHCBGYXW",
wantError: false,
},
{
name: "Test Case 4: ID too large",
id: 10000000000000001, // ID 超過界限
base: 10,
length: 8,
wantCode: "",
wantError: true,
},
}
converter := MustConverter(10, 8, ConvertTable)
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
code, err := converter.EncodeFromNum(tt.id)
if tt.wantError {
assert.Error(t, err)
} else {
assert.NoError(t, err)
assert.Equal(t, tt.wantCode, code)
}
if !tt.wantError {
// 測試解碼
decodedID, err := converter.DecodeFromCode(code)
assert.NoError(t, err)
assert.Equal(t, tt.id, decodedID)
}
})
}
}
func TestDecodeFromCode(t *testing.T) {
converter := MustConverter(10, 8, ConvertTable)
tests := []struct {
name string
code string
wantID int64
wantError bool
}{
{
name: "Decode valid code 1",
code: "DOOOOOOO", // 對應於 id 10000000
wantID: 10000000,
wantError: false,
},
{
name: "Decode valid code 2",
code: "DWXYGBCH", // 對應於 id 12345678
wantID: 12345678,
wantError: false,
},
{
name: "Decode valid code 3",
code: "EHCBGYXW", // 對應於 id 98765432
wantID: 98765432,
wantError: false,
},
{
name: "Decode invalid code with character not in table",
code: "UWOXZZZ", // 包含 ZZZ不在轉換表中
wantID: 0,
wantError: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result, err := converter.DecodeFromCode(tt.code)
if tt.wantError {
assert.Error(t, err)
assert.Equal(t, int64(0), result)
} else {
assert.NoError(t, err)
assert.Equal(t, tt.wantID, result)
}
})
}
}