Function TestVectorJSON

model/value_float_test.go:195–258

(t *testing.T)

}

func TestVectorJSON(t *testing.T) {
	input := []struct {
		plain string
		value Vector
	}{
		{
			plain: `[]`,
			value: Vector{},
		},
		{
			plain: `[{"metric":{"__name__":"test_metric"},"value":[1234.567,"123.1"]}]`,
			value: Vector{&Sample{
				Metric: Metric{
					MetricNameLabel: "test_metric",
				},
				Value:     123.1,
				Timestamp: 1234567,
			}},
		},
		{
			plain: `[{"metric":{"__name__":"test_metric"},"value":[1234.567,"123.1"]},{"metric":{"foo":"bar"},"value":[1.234,"+Inf"]}]`,
			value: Vector{
				&Sample{
					Metric: Metric{
						MetricNameLabel: "test_metric",
					},
					Value:     123.1,
					Timestamp: 1234567,
				},
				&Sample{
					Metric: Metric{
						"foo": "bar",
					},
					Value:     SampleValue(math.Inf(1)),
					Timestamp: 1234,
				},
			},
		},
	}

	for _, test := range input {
		b, err := json.Marshal(test.value)
		if err != nil {
			t.Error(err)
			continue
		}

		if string(b) != test.plain {
			t.Errorf("encoding error: expected %q, got %q", test.plain, b)
			continue
		}

		var vec Vector
		err = json.Unmarshal(b, &vec)
		if err != nil {
			t.Error(err)
			continue
		}