116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
package app
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import (
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"fmt"
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"testing"
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"github.com/kortschak/ct"
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)
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type testcase struct {
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Data powerData
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Result resultType
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}
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type resultType uint8
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func (r resultType) String() string {
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return []string{``, `positive`, `negative`, ` neutral`}[r]
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}
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const (
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resultPositive = iota + 1
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resultNegative
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resultNeutral
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)
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func resultTypeFromScore(s float64) resultType {
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switch {
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case s < 1 && s > -1:
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return resultNeutral
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case s >= 1:
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return resultPositive
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case s <= -1:
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return resultNegative
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}
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panic(`Unreachable`)
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}
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var (
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passColor = ct.Fg(ct.BoldGreen).Paint
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infoColor = ct.Fg(ct.Yellow).Paint
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)
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func TestProductionScore(t *testing.T) {
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cases := []testcase{
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{powerData{Voltage: 240, MaxAmpere: 10, CosPhi: 0.8}, resultNegative},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 0.4}, resultNegative},
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{powerData{Voltage: 230, MaxAmpere: 200, CosPhi: 0.8}, resultNegative},
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{powerData{Voltage: 220, MaxAmpere: 10, CosPhi: 0.8}, resultPositive},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 1}, resultPositive},
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{powerData{Voltage: 230, MaxAmpere: 0, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 234, MaxAmpere: 10, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 226, MaxAmpere: 10, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 0.71}, resultNeutral},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 0.89}, resultNeutral},
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{powerData{Voltage: 230, MaxAmpere: 120, CosPhi: 0.8}, resultNeutral},
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}
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testScore(t, cases, productionScore)
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}
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func TestUsageScore(t *testing.T) {
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cases := []testcase{
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{powerData{Voltage: 240, MaxAmpere: 10, CosPhi: 0.8}, resultPositive},
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{powerData{Voltage: 230, MaxAmpere: 200, CosPhi: 0.8}, resultNegative},
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{powerData{Voltage: 220, MaxAmpere: 10, CosPhi: 0.8}, resultNegative},
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{powerData{Voltage: 230, MaxAmpere: 0, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 234, MaxAmpere: 10, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 226, MaxAmpere: 10, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 230, MaxAmpere: 120, CosPhi: 0.8}, resultNeutral},
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}
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testScore(t, cases, usageScore)
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}
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func TestStorageScore(t *testing.T) {
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cases := []testcase{
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{powerData{Voltage: 240, MaxAmpere: 10, CosPhi: 0.8}, resultPositive},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 0.4}, resultPositive},
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{powerData{Voltage: 220, MaxAmpere: 10, CosPhi: 0.8}, resultNegative},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 1}, resultNegative},
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{powerData{Voltage: 234, MaxAmpere: 10, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 226, MaxAmpere: 10, CosPhi: 0.8}, resultNeutral},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 0.71}, resultNeutral},
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{powerData{Voltage: 230, MaxAmpere: 10, CosPhi: 0.89}, resultNeutral},
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}
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testScore(t, cases, storageScore)
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}
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func testScore(t *testing.T, cases []testcase, f func(powerData) float64) {
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t.Helper()
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for _, v := range cases {
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s := f(v.Data)
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r := resultTypeFromScore(s)
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if r != v.Result {
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t.Error(`Expected a`, v.Result, `score, but got`, s)
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continue
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}
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score := fmt.Sprintf(`%6.2f`, s)
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t.Log(passColor(`PASS`), infoColor(v.Data), `->`, infoColor(r, `(`+score+`)`))
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}
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}
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