55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package commands_test
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import (
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"errors"
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"testing"
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"time"
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"github.com/hamburghammer/gstat/args"
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"github.com/hamburghammer/gstat/commands"
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)
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func TestExec(t *testing.T) {
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t.Run("should not run if no args are given", func(t *testing.T) {
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args := args.Arguments{CPU: false}
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got, err := commands.CPU{}.Exec(args)
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assertNoError(err, t)
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if len(got) != 0 {
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t.Error("Got something even though it was not expected")
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}
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})
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t.Run("should return one float", func(t *testing.T) {
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args := args.Arguments{CPU: true}
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readCPUStat := func(interval time.Duration, percpu bool) ([]float64, error) {
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return []float64{float64(0)}, nil
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}
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got, err := commands.CPU{ReadCPUStat: readCPUStat}.Exec(args)
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want := "{\"CPU\":0}"
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assertNoError(err, t)
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if string(got) != want {
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t.Errorf("Want '%s' but got '%s'", want, string(got))
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}
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})
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t.Run("should return wrapped error", func(t *testing.T) {
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args := args.Arguments{CPU: true}
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readCPUStat := func(interval time.Duration, percpu bool) ([]float64, error) {
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return []float64{}, errors.New("Testing error")
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}
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_, got := commands.CPU{ReadCPUStat: readCPUStat}.Exec(args)
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want := "CPUReading failed because of: Testing error"
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assertEqualString(got.Error(), want, t)
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})
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}
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