30 lines
850 B
Go
30 lines
850 B
Go
package meter
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestShellyCurrentPowerForUsage(t *testing.T) {
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tests := []struct {
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name string
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usage string
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signed bool
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power float64
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want float64
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}{
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{name: "grid keeps sign", usage: "grid", power: -350, want: -350},
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{name: "unsigned pv uses absolute value", usage: "pv", power: -350, want: 350},
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{name: "unsigned pv keeps positive values", usage: "pv", power: 350, want: 350},
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{name: "signed pv inverts positive values", usage: "pv", signed: true, power: 350, want: -350},
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{name: "signed pv inverts negative values", usage: "pv", signed: true, power: -350, want: 350},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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m := &Shelly{usage: tc.usage}
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assert.Equal(t, tc.want, m.currentPowerForUsage(tc.power, tc.signed))
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})
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}
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}
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