grafana/pkg/tsdb/mssql/macros_test.go
Kyle Cunningham 356e2e1933
MSSQL Datasource: Revert functions within macros change (#63592)
* Revert functions within macros change
* Add tests for function and macro for mssql
* Remove macro support tests

---------

Co-authored-by: Oscar Kilhed <oscar.kilhed@grafana.com>
2023-02-22 22:02:05 +01:00

259 lines
9.2 KiB
Go

package mssql
import (
"fmt"
"sync"
"testing"
"time"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/stretchr/testify/require"
)
func TestMacroEngine(t *testing.T) {
engine := &msSQLMacroEngine{}
query := &backend.DataQuery{
JSON: []byte("{}"),
}
dfltTimeRange := backend.TimeRange{}
t.Run("Given a time range between 2018-04-12 00:00 and 2018-04-12 00:05", func(t *testing.T) {
from := time.Date(2018, 4, 12, 18, 0, 0, 0, time.UTC)
to := from.Add(5 * time.Minute)
timeRange := backend.TimeRange{From: from, To: to}
t.Run("interpolate __time function", func(t *testing.T) {
sql, err := engine.Interpolate(query, dfltTimeRange, "select $__time(time_column)")
require.Nil(t, err)
require.Equal(t, "select time_column AS time", sql)
})
t.Run("interpolate __timeEpoch function", func(t *testing.T) {
sql, err := engine.Interpolate(query, dfltTimeRange, "select $__timeEpoch(time_column)")
require.Nil(t, err)
require.Equal(t, "select DATEDIFF(second, '1970-01-01', time_column) AS time", sql)
})
t.Run("interpolate __timeEpoch function wrapped in aggregation", func(t *testing.T) {
sql, err := engine.Interpolate(query, dfltTimeRange, "select min($__timeEpoch(time_column))")
require.Nil(t, err)
require.Equal(t, "select min(DATEDIFF(second, '1970-01-01', time_column) AS time)", sql)
})
t.Run("interpolate __timeFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "WHERE $__timeFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN '%s' AND '%s'", from.Format(time.RFC3339), to.Format(time.RFC3339)), sql)
})
t.Run("interpolate __timeFrom function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__timeFrom()")
require.Nil(t, err)
require.Equal(t, "select '2018-04-12T18:00:00Z'", sql)
})
t.Run("interpolate __timeTo function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__timeTo()")
require.Nil(t, err)
require.Equal(t, "select '2018-04-12T18:05:00Z'", sql)
})
t.Run("interpolate __timeGroup function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroup(time_column,'5m')")
require.Nil(t, err)
sql2, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroupAlias(time_column,'5m')")
require.Nil(t, err)
require.Equal(t, "GROUP BY FLOOR(DATEDIFF(second, '1970-01-01', time_column)/300)*300", sql)
require.Equal(t, sql+" AS [time]", sql2)
})
t.Run("interpolate __timeGroup function with spaces around arguments", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroup(time_column , '5m')")
require.Nil(t, err)
sql2, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroupAlias(time_column , '5m')")
require.Nil(t, err)
require.Equal(t, "GROUP BY FLOOR(DATEDIFF(second, '1970-01-01', time_column)/300)*300", sql)
require.Equal(t, sql+" AS [time]", sql2)
})
t.Run("interpolate __timeGroup function with fill (value = NULL)", func(t *testing.T) {
_, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroup(time_column,'5m', NULL)")
require.Nil(t, err)
queryJson, err := query.JSON.MarshalJSON()
require.Nil(t, err)
require.Equal(t, `{"fill":true,"fillInterval":300,"fillMode":"null"}`, string(queryJson))
})
t.Run("interpolate __timeGroup function with fill (value = previous)", func(t *testing.T) {
_, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroup(time_column,'5m', previous)")
require.Nil(t, err)
queryJson, err := query.JSON.MarshalJSON()
require.Nil(t, err)
require.Equal(t, `{"fill":true,"fillInterval":300,"fillMode":"previous"}`, string(queryJson))
})
t.Run("interpolate __timeGroup function with fill (value = float)", func(t *testing.T) {
_, err := engine.Interpolate(query, timeRange, "GROUP BY $__timeGroup(time_column,'5m', 1.5)")
require.Nil(t, err)
queryJson, err := query.JSON.MarshalJSON()
require.Nil(t, err)
require.Equal(t, `{"fill":true,"fillInterval":300,"fillMode":"value","fillValue":1.5}`, string(queryJson))
})
t.Run("interpolate __unixEpochFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select time_column >= %d AND time_column <= %d", from.Unix(), to.Unix()), sql)
})
t.Run("interpolate __unixEpochNanoFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochNanoFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select time_column >= %d AND time_column <= %d", from.UnixNano(), to.UnixNano()), sql)
})
t.Run("interpolate __unixEpochNanoFrom function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochNanoFrom()")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select %d", from.UnixNano()), sql)
})
t.Run("interpolate __unixEpochNanoTo function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochNanoTo()")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select %d", to.UnixNano()), sql)
})
t.Run("interpolate __unixEpochGroup function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "SELECT $__unixEpochGroup(time_column,'5m')")
require.Nil(t, err)
sql2, err := engine.Interpolate(query, timeRange, "SELECT $__unixEpochGroupAlias(time_column,'5m')")
require.Nil(t, err)
require.Equal(t, "SELECT FLOOR(time_column/300)*300", sql)
require.Equal(t, sql+" AS [time]", sql2)
})
})
t.Run("Given a time range between 1960-02-01 07:00 and 1965-02-03 08:00", func(t *testing.T) {
from := time.Date(1960, 2, 1, 7, 0, 0, 0, time.UTC)
to := time.Date(1965, 2, 3, 8, 0, 0, 0, time.UTC)
timeRange := backend.TimeRange{
From: from,
To: to,
}
t.Run("interpolate __timeFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "WHERE $__timeFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN '%s' AND '%s'", from.Format(time.RFC3339), to.Format(time.RFC3339)), sql)
})
t.Run("interpolate __unixEpochFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select time_column >= %d AND time_column <= %d", from.Unix(), to.Unix()), sql)
})
t.Run("interpolate __unixEpochNanoFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochNanoFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select time_column >= %d AND time_column <= %d", from.UnixNano(), to.UnixNano()), sql)
})
})
t.Run("Given a time range between 1960-02-01 07:00 and 1980-02-03 08:00", func(t *testing.T) {
from := time.Date(1960, 2, 1, 7, 0, 0, 0, time.UTC)
to := time.Date(1980, 2, 3, 8, 0, 0, 0, time.UTC)
timeRange := backend.TimeRange{
From: from,
To: to,
}
t.Run("interpolate __timeFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "WHERE $__timeFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN '%s' AND '%s'", from.Format(time.RFC3339), to.Format(time.RFC3339)), sql)
})
t.Run("interpolate __unixEpochFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select time_column >= %d AND time_column <= %d", from.Unix(), to.Unix()), sql)
})
t.Run("interpolate __unixEpochNanoFilter function", func(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "select $__unixEpochNanoFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("select time_column >= %d AND time_column <= %d", from.UnixNano(), to.UnixNano()), sql)
})
t.Run("should return unmodified sql if there are no macros present", func(t *testing.T) {
sqls := []string{
"select * from table",
"select count(val) from table",
"select col1, col2,col3, col4 from table where col1 = 'val1' and col2 = 'val2' order by col1 asc",
}
for _, sql := range sqls {
actual, err := engine.Interpolate(query, timeRange, sql)
require.Nil(t, err)
require.Equal(t, sql, actual)
}
})
})
}
func TestMacroEngineConcurrency(t *testing.T) {
engine := newMssqlMacroEngine()
query1 := backend.DataQuery{
JSON: []byte{},
}
query2 := backend.DataQuery{
JSON: []byte{},
}
from := time.Date(2018, 4, 12, 18, 0, 0, 0, time.UTC)
to := from.Add(5 * time.Minute)
timeRange := backend.TimeRange{
From: from,
To: to,
}
var wg sync.WaitGroup
wg.Add(2)
go func(query backend.DataQuery) {
defer wg.Done()
_, err := engine.Interpolate(&query, timeRange, "SELECT $__timeGroup(time_column,'5m')")
require.NoError(t, err)
}(query1)
go func(query backend.DataQuery) {
_, err := engine.Interpolate(&query, timeRange, "SELECT $__timeGroup(time_column,'5m')")
require.NoError(t, err)
defer wg.Done()
}(query2)
wg.Wait()
}