truckstop/config/duration_test.go

106 lines
2.1 KiB
Go

package config
import (
"encoding/json"
"testing"
"time"
)
func TestDurationMarshal(t *testing.T) {
cases := map[string]struct {
in string
want Duration
wantJS string
}{
"empty string": {
wantJS: `"0s..0s"`,
},
"random in": {
in: "abc",
want: Duration{},
wantJS: `"0s..0s"`,
},
"1 dur": {
in: "1m",
want: Duration{
least: time.Minute,
most: time.Minute,
},
wantJS: `"1m0s..1m0s"`,
},
"descending": {
in: "2m..1m",
want: Duration{
least: time.Minute,
most: 2 * time.Minute,
},
wantJS: `"1m0s..2m0s"`,
},
"happy span": {
in: "1m..2m",
want: Duration{
least: time.Minute,
most: 2 * time.Minute,
},
wantJS: `"1m0s..2m0s"`,
},
"multi unit descending": {
in: "1h1m..2m3ms",
want: Duration{
least: 2*time.Minute + 3*time.Millisecond,
most: time.Hour + time.Minute,
},
wantJS: `"2m0.003s..1h1m0s"`,
},
}
for name, d := range cases {
c := d
t.Run(name, func(t *testing.T) {
var got Duration
err := json.Unmarshal([]byte(`"`+c.in+`"`), &got)
if got != c.want {
t.Fatalf("err %v: want %+v, got %+v", err, c.want, got)
}
js, _ := json.Marshal(got)
if string(js) != c.wantJS {
t.Fatalf("want marshalled %s, got %s", c.wantJS, js)
}
var got2 Duration
json.Unmarshal(js, &got2)
if got != got2 {
t.Fatalf("want unmarshal-marshal-unmarshal %+v, got %+v", got, got2)
}
})
}
}
func TestDurationGet(t *testing.T) {
t.Run("same", func(t *testing.T) {
d := Duration{least: time.Second, most: time.Second}
for i := 0; i < 50; i++ {
if got := d.Get(); got != time.Second {
t.Error(got)
}
}
})
t.Run("1ms span", func(t *testing.T) {
d := Duration{least: time.Second, most: time.Second + time.Millisecond}
for i := 0; i < 50; i++ {
if got := d.Get(); got != time.Second {
t.Error(got)
}
}
})
t.Run("5s span", func(t *testing.T) {
d := Duration{least: time.Second, most: 6 * time.Second}
for i := 0; i < 50; i++ {
if got := d.Get(); got > time.Second*6 || got < time.Second {
t.Error(got)
}
}
})
}