38 lines
870 B
Go
38 lines
870 B
Go
package api
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import (
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"testing"
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"time"
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"github.com/benbjohnson/clock"
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"github.com/stretchr/testify/assert"
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)
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func TestRates(t *testing.T) {
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clock := clock.NewMock()
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rate := func(start int, val float64) Rate {
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return Rate{
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Start: clock.Now().Add(time.Duration(start) * time.Hour),
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End: clock.Now().Add(time.Duration(start+1) * time.Hour),
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Price: val,
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}
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}
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rr := Rates{rate(1, 1), rate(2, 2), rate(3, 3), rate(4, 4)}
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_, err := rr.At(clock.Now())
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assert.Error(t, err)
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for i := 1; i <= 4; i++ {
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r, err := rr.At(clock.Now().Add(time.Duration(i) * time.Hour))
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assert.NoError(t, err)
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assert.Equal(t, float64(i), r.Price)
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r, err = rr.At(clock.Now().Add(time.Duration(i)*time.Hour + 30*time.Minute))
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assert.NoError(t, err)
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assert.Equal(t, float64(i), r.Price)
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}
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_, err = rr.At(clock.Now().Add(5 * time.Hour))
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assert.Error(t, err)
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}
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