40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package settings
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import (
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"fmt"
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"os"
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"testing"
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)
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func TestStringValueMonitor(t *testing.T) {
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key, value := "my key to monitor", "first value"
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monitor, err := NewValueMonitor(TheSettings, key, func(s string) (string, error) { return value, nil })
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if err != nil {
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t.Fatalf("error opening new value monitor: %v\n", err)
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}
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if want, got := value, monitor.GetValue(); want != got {
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t.Fatalf("error: wanted %q; got %q\n", want, got)
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}
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value = "second value"
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TheSettings.SetKeyValue(key, value)
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if want, got := value, monitor.GetValue(); want != got {
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t.Fatalf("error: wanted %q; got %q\n", want, got)
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}
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value = "third value"
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f, err := os.OpenFile(TheSettings.GetFilename(), os.O_APPEND|os.O_WRONLY, 0664)
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if err != nil {
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t.Fatalf("error opening file writer to append settings: %v\n", err)
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}
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_, err = f.WriteString(fmt.Sprintf("\n%s=%s\n", key, value))
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if err != nil {
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t.Fatalf("error appending to file: %v\n", err)
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}
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err = TheSettings.Update()
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if err != nil {
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t.Fatalf("error updating the settings: %v\n", err)
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}
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if want, got := value, monitor.GetValue(); want != got {
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t.Fatalf("error: wanted %q; got %q\n", want, got)
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}
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}
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