Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/mock/mock_test.go

@@ -0,0 +1,110 @@
+package mock
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf/testutil"
+)
+
+func TestGather(t *testing.T) {
+	testConstantString := &constant{
+		Name:  "constant_string",
+		Value: "a string",
+	}
+	testConstantFloat := &constant{
+		Name:  "constant_float",
+		Value: 3.1415,
+	}
+	testConstantInt := &constant{
+		Name:  "constant_int",
+		Value: 42,
+	}
+	testConstantBool := &constant{
+		Name:  "constant_bool",
+		Value: true,
+	}
+	testRandom := &random{
+		Name: "random",
+		Min:  1.0,
+		Max:  6.0,
+	}
+	testSineWave := &sineWave{
+		Name:      "sine",
+		Amplitude: 1.0,
+		Period:    0.5,
+		BaseLine:  2.0,
+	}
+	testStep := &step{
+		Name:  "step",
+		Start: 0.0,
+		Step:  1.0,
+	}
+	testStock := &stock{
+		Name:       "abc",
+		Price:      50.00,
+		Volatility: 0.2,
+	}
+
+	tags := map[string]string{
+		"buildling": "tbd",
+		"site":      "nowhere",
+	}
+
+	m := &Mock{
+		MetricName: "test",
+		Tags:       tags,
+
+		Constant: []*constant{testConstantString, testConstantFloat, testConstantInt, testConstantBool},
+		Random:   []*random{testRandom},
+		SineWave: []*sineWave{testSineWave},
+		Step:     []*step{testStep},
+		Stock:    []*stock{testStock},
+	}
+
+	var acc testutil.Accumulator
+	require.NoError(t, m.Init())
+	require.NoError(t, m.Gather(&acc))
+
+	require.Len(t, acc.Metrics, 1)
+
+	metric := acc.Metrics[0]
+	require.Equal(t, "test", metric.Measurement)
+	require.Equal(t, tags, metric.Tags)
+	for k, v := range metric.Fields {
+		switch k {
+		case "abc":
+			require.InDelta(t, 50.0, v, testutil.DefaultDelta)
+		case "constant_string":
+			require.Equal(t, testConstantString.Value, v)
+		case "constant_float":
+			require.Equal(t, testConstantFloat.Value, v)
+		case "constant_int":
+			require.Equal(t, testConstantInt.Value, v)
+		case "constant_bool":
+			require.Equal(t, testConstantBool.Value, v)
+		case "random":
+			require.GreaterOrEqual(t, 6.0, v)
+			require.LessOrEqual(t, 1.0, v)
+		case "sine":
+			require.InDelta(t, 2.0, v, testutil.DefaultDelta)
+		case "step":
+			require.InDelta(t, 0.0, v, testutil.DefaultDelta)
+		default:
+			require.Failf(t, "Unexpected field", "Extra field: %q", k)
+		}
+	}
+}
+
+func TestGatherEmpty(t *testing.T) {
+	m := &Mock{
+		MetricName: "test_empty",
+	}
+
+	var acc testutil.Accumulator
+	require.NoError(t, m.Init())
+	require.NoError(t, m.Gather(&acc))
+
+	acc.AssertDoesNotContainMeasurement(t, "test_empty")
+}