Function TestPopulateWithTombSeriesIterators

tsdb/querier_test.go:843–1846

(t *testing.T)

func (*mockSampleIterator) Err() error { return nil }

func TestPopulateWithTombSeriesIterators(t *testing.T) {
	type minMaxTimes struct {
		minTime, maxTime int64
	}
	cases := []struct {
		name    string
		samples [][]chunks.Sample

		expected            []chunks.Sample
		expectedChks        []chunks.Meta
		expectedMinMaxTimes []minMaxTimes

		intervals tombstones.Intervals

		// Seek being zero means do not test seek.
		seek        int64
		seekSuccess bool

		// Set this to true if a sample slice will form multiple chunks.
		skipChunkTest bool

		skipIterableTest bool
	}{
		{
			name:    "no chunk",
			samples: [][]chunks.Sample{},
		},
		{
			name:    "one empty chunk", // This should never happen.
			samples: [][]chunks.Sample{{}},

			expectedChks: []chunks.Meta{
				assureChunkFromSamples(t, []chunks.Sample{}),
			},
			expectedMinMaxTimes: []minMaxTimes{{0, 0}},
			// iterables with no samples will return no chunks instead of empty chunks
			skipIterableTest: true,
		},
		{
			name:    "one empty iterable",
			samples: [][]chunks.Sample{{}},

			// iterables with no samples will return no chunks
			expectedChks:  nil,
			skipChunkTest: true,
		},
		{
			name:    "three empty chunks", // This should never happen.
			samples: [][]chunks.Sample{{}, {}, {}},

			expectedChks: []chunks.Meta{
				assureChunkFromSamples(t, []chunks.Sample{}),
				assureChunkFromSamples(t, []chunks.Sample{}),
				assureChunkFromSamples(t, []chunks.Sample{}),
			},
			expectedMinMaxTimes: []minMaxTimes{{0, 0}, {0, 0}, {0, 0}},
			// iterables with no samples will return no chunks instead of empty chunks
			skipIterableTest: true,