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https://github.com/grafana/grafana.git
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332 lines
11 KiB
Go
332 lines
11 KiB
Go
package models
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import (
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"strings"
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"testing"
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"time"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/stretchr/testify/require"
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)
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func TestInfluxdbQueryBuilder(t *testing.T) {
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t.Run("Influxdb query builder", func(t *testing.T) {
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qp1, _ := NewQueryPart("field", []string{"value"})
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qp2, _ := NewQueryPart("mean", []string{})
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mathPartDivideBy100, _ := NewQueryPart("math", []string{"/ 100"})
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mathPartDivideByIntervalMs, _ := NewQueryPart("math", []string{"/ $__interval_ms"})
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groupBy1, _ := NewQueryPart("time", []string{"$__interval"})
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groupBy2, _ := NewQueryPart("tag", []string{"datacenter"})
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groupBy3, _ := NewQueryPart("fill", []string{"null"})
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groupByOldInterval, _ := NewQueryPart("time", []string{"$interval"})
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tag1 := &Tag{Key: "hostname", Value: "server1", Operator: "="}
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tag2 := &Tag{Key: "hostname", Value: "server2", Operator: "=", Condition: "OR"}
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timeRange := backend.TimeRange{
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From: time.Date(2020, 8, 1, 0, 0, 0, 0, time.UTC),
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To: time.Date(2020, 8, 1, 0, 5, 0, 0, time.UTC),
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}
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queryContext := &backend.QueryDataRequest{
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Queries: []backend.DataQuery{
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{
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TimeRange: timeRange,
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},
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},
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}
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t.Run("can build simple query", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2}},
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Measurement: "cpu",
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Policy: "policy",
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GroupBy: []*QueryPart{groupBy1, groupBy3},
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Interval: time.Second * 10,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery, `SELECT mean("value") FROM "policy"."cpu" WHERE time >= 1596240000000ms and time <= 1596240300000ms GROUP BY time(10s) fill(null)`)
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})
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t.Run("can build query with tz", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2}},
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Measurement: "cpu",
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GroupBy: []*QueryPart{groupBy1},
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Tz: "Europe/Paris",
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Interval: time.Second * 5,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery,
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`SELECT mean("value") FROM "cpu" WHERE time >= 1596240000000ms and time <= 1596240300000ms GROUP BY time(5s) tz('Europe/Paris')`)
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})
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t.Run("can build query with tz, limit, slimit, orderByTime and puts them in the correct order", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2}},
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Measurement: "cpu",
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GroupBy: []*QueryPart{groupBy1},
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Tz: "Europe/Paris",
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Limit: "1",
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Slimit: "1",
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OrderByTime: "ASC",
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Interval: time.Second * 5,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery,
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`SELECT mean("value") FROM "cpu" WHERE time >= 1596240000000ms and time <= 1596240300000ms GROUP BY time(5s) ORDER BY time ASC limit 1 slimit 1 tz('Europe/Paris')`)
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})
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t.Run("can build query with group bys", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2}},
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Measurement: "cpu",
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GroupBy: []*QueryPart{groupBy1, groupBy2, groupBy3},
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Tags: []*Tag{tag1, tag2},
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Interval: time.Second * 5,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery, `SELECT mean("value") FROM "cpu" WHERE ("hostname" = 'server1' OR "hostname" = 'server2') AND time >= 1596240000000ms and time <= 1596240300000ms GROUP BY time(5s), "datacenter" fill(null)`)
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})
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t.Run("can build query with math part", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2, *mathPartDivideBy100}},
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Measurement: "cpu",
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Interval: time.Second * 5,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery,
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`SELECT mean("value") / 100 FROM "cpu" WHERE time >= 1596240000000ms and time <= 1596240300000ms`)
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})
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t.Run("can build query with math part using $__interval_ms variable", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2, *mathPartDivideByIntervalMs}},
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Measurement: "cpu",
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Interval: time.Second * 5,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery,
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`SELECT mean("value") / 5000 FROM "cpu" WHERE time >= 1596240000000ms and time <= 1596240300000ms`)
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})
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t.Run("can build query with old $interval variable", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2}},
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Measurement: "cpu",
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Policy: "",
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GroupBy: []*QueryPart{groupByOldInterval},
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Interval: time.Millisecond * 200,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery,
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`SELECT mean("value") FROM "cpu" WHERE time >= 1596240000000ms and time <= 1596240300000ms GROUP BY time(200ms)`)
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})
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t.Run("can render time range", func(t *testing.T) {
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query := Query{}
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t.Run("render from: 2h to now-1h", func(t *testing.T) {
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query := Query{}
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timeRange = backend.TimeRange{
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From: time.Date(2020, 8, 1, 0, 0, 0, 0, time.UTC),
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To: time.Date(2020, 8, 1, 1, 0, 0, 0, time.UTC),
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}
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queryContext = &backend.QueryDataRequest{
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Queries: []backend.DataQuery{
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{
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TimeRange: timeRange,
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},
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},
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}
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require.Equal(t, query.renderTimeFilter(queryContext),
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"time >= 1596240000000ms and time <= 1596243600000ms")
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})
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t.Run("render from: 10m", func(t *testing.T) {
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timeRange = backend.TimeRange{
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From: time.Date(2020, 8, 1, 0, 0, 0, 0, time.UTC),
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To: time.Date(2020, 8, 1, 0, 10, 0, 0, time.UTC),
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}
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queryContext = &backend.QueryDataRequest{
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Queries: []backend.DataQuery{
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{
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TimeRange: timeRange,
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},
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},
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}
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require.Equal(t, query.renderTimeFilter(queryContext),
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"time >= 1596240000000ms and time <= 1596240600000ms")
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})
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})
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t.Run("can build query from raw query", func(t *testing.T) {
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query := &Query{
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Selects: []*Select{{*qp1, *qp2}},
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Measurement: "cpu",
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Policy: "policy",
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GroupBy: []*QueryPart{groupBy1, groupBy3},
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Interval: time.Second * 10,
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RawQuery: "Raw query",
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UseRawQuery: true,
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}
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rawQuery, err := query.Build(queryContext)
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require.NoError(t, err)
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require.Equal(t, rawQuery, `Raw query`)
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})
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t.Run("can render normal tags without operator", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "", Value: `value`, Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = 'value'`)
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})
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t.Run("can render regex tags without operator", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "", Value: `/value/`, Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" =~ /value/`)
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})
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t.Run("can render regex tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "=~", Value: `/value/`, Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" =~ /value/`)
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})
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t.Run("can render number tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "=", Value: "10001", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = '10001'`)
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})
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t.Run("can render numbers less then condition tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "<", Value: "10001", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" < 10001`)
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})
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t.Run("can render number greater then condition tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: ">", Value: "10001", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" > 10001`)
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})
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t.Run("can render number greater than or equal to condition tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: ">=", Value: "10001", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" >= 10001`)
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})
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t.Run("can render number less than or equal to condition tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "<=", Value: "10001", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" <= 10001`)
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})
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t.Run("can render boolean equality tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "false", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = false`)
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})
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t.Run("can render boolean inequality tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is Not", Value: "true", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" != true`)
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})
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t.Run("can correct case of boolean tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "False", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = false`)
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})
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t.Run("can use strings with Is", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "A string", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = 'A string'`)
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})
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t.Run("can use integers with Is", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "123", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = 123`)
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})
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t.Run("can use negative integers with Is", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "-123", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = -123`)
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})
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t.Run("can use floats with Is", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "1.23", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = 1.23`)
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})
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t.Run("can use negative floats with Is", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "Is", Value: "-1.23", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = -1.23`)
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})
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t.Run("can render string tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "=", Value: "value", Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = 'value'`)
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})
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t.Run("can escape backslashes when rendering string tags", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: "=", Value: `C:\test\`, Key: "key"}}}
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require.Equal(t, strings.Join(query.renderTags(), ""), `"key" = 'C:\\test\\'`)
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})
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t.Run("can render regular measurement", func(t *testing.T) {
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query := &Query{Measurement: `apa`, Policy: "policy"}
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require.Equal(t, query.renderMeasurement(), ` FROM "policy"."apa"`)
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})
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t.Run("can render regexp measurement", func(t *testing.T) {
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query := &Query{Measurement: `/apa/`, Policy: "policy"}
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require.Equal(t, query.renderMeasurement(), ` FROM "policy"./apa/`)
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})
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t.Run("can render single quoted tag value when regexed value has been sent", func(t *testing.T) {
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query := &Query{Tags: []*Tag{{Operator: ">", Value: `/^12.2$/`, Key: "key"}}}
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require.Equal(t, `"key" > '12.2'`, strings.Join(query.renderTags(), ""))
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})
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})
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}
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func TestRemoveRegexWrappers(t *testing.T) {
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t.Run("remove regex wrappers", func(t *testing.T) {
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wrappedText := `/^someValue$/`
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expected := `'someValue'`
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result := removeRegexWrappers(wrappedText, `'`)
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require.Equal(t, expected, result)
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})
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t.Run("return same value if the value is not wrapped by regex wrappers", func(t *testing.T) {
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wrappedText := `someValue`
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expected := `someValue`
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result := removeRegexWrappers(wrappedText, "")
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require.Equal(t, expected, result)
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})
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}
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