testing
└── mylib
├── human.go
├── math.go
├── math_test.go
testされるファイル
package mylib
func Average(s []int) int {
total := 0
for _, i := range s {
total += i
}
return int(total / len(s))
}
testするファイル
3が期待される
package mylib
import "testing"
func TestAverage(t *testing.T) {
v := Average([]int{1, 2, 3, 4, 5})
if v != 3 {
t.Error("Expected 3, got", v)
}
}
run test
- vscodeから
- コマンドラインから
PS C:\Users\yuta\go\src\awesomeProject> go test ./...
? awesomeProject [no test files]
ok awesomeProject/mylib (cached)
? awesomeProject/mylib/under [no test files]
- 数字変えるとFAILになる
package mylib
import "testing"
func TestAverage(t *testing.T) {
v := Average([]int{1, 2, 3, 4, 5, 6,7})
if v != 3 {
t.Error("Expected 3, got", v)
}
}
--- FAIL: TestAverage (0.00s)
C:\Users\yuta\go\src\awesomeProject\mylib\math_test.go:8: Expected 3,
got 4
FAIL
FAIL awesomeProject/mylib 0.374s
FAIL
- Skip処理
package mylib
import "testing"
var Debug bool = true
func TestAverage(t *testing.T) {
// Debugがtrueならスキップ
if Debug {
t.Skip("Skip reason")
}
v := Average([]int{1, 2, 3, 4, 5, 6, 7})
if v != 3 {
t.Error("Expected 3, got", v)
}
}
PS C:\Users\yuta\go\src\awesomeProject> go test ./... -v
? awesomeProject [no test files]
=== RUN TestAverage
TestAverage: math_test.go:10: Skip reason
--- SKIP: TestAverage (0.00s)
PASS
ok awesomeProject/mylib 0.368s
? awesomeProject/mylib/under [no test files]