(t *testing.T)
| 88 | } |
| 89 | |
| 90 | func TestPrepareExpression(t *testing.T) { |
| 91 | input := "mean(clockaccuracy, 5) + abs(mean(offset, 5)) + 1.0 * stddev(offset, 4) + 1.0 * stddev(delay, 4) + 1.0 * stddev(freq, 5)" |
| 92 | expr, err := prepareExpression(input) |
| 93 | require.Nil(t, err) |
| 94 | |
| 95 | parameters := map[string]interface{}{ |
| 96 | "offset": []float64{1, 2, 3, 4, 5}, |
| 97 | "delay": []float64{2, 2, 2, 2, 2}, |
| 98 | "freq": []float64{123, 424, 444, 222, 424}, |
| 99 | "clockaccuracy": []float64{100, 150, 50, 100, 100}, |
| 100 | } |
| 101 | |
| 102 | want := 250.1909601786838 |
| 103 | got, err := expr.Evaluate(parameters) |
| 104 | require.Nil(t, err) |
| 105 | require.Equal(t, want, got) |
| 106 | } |
| 107 | |
| 108 | func TestPrepareExpressionWrongVari(t *testing.T) { |
| 109 | input := "abs(mean(offset, 5)) + 1.0 * stddev(missing, 4)" |
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