grafana/pkg/tsdb/sql_engine_test.go
2018-11-30 14:30:02 +01:00

336 lines
10 KiB
Go

package tsdb
import (
"fmt"
"testing"
"time"
"github.com/grafana/grafana/pkg/components/null"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
. "github.com/smartystreets/goconvey/convey"
)
func TestSqlEngine(t *testing.T) {
Convey("SqlEngine", t, func() {
dt := time.Date(2018, 3, 14, 21, 20, 6, int(527345*time.Microsecond), time.UTC)
earlyDt := time.Date(1970, 3, 14, 21, 20, 6, int(527345*time.Microsecond), time.UTC)
Convey("Given a time range between 2018-04-12 00:00 and 2018-04-12 00:05", func() {
from := time.Date(2018, 4, 12, 18, 0, 0, 0, time.UTC)
to := from.Add(5 * time.Minute)
timeRange := NewFakeTimeRange("5m", "now", to)
query := &Query{DataSource: &models.DataSource{}, Model: simplejson.New()}
Convey("interpolate $__interval", func() {
sql, err := Interpolate(query, timeRange, "select $__interval ")
So(err, ShouldBeNil)
So(sql, ShouldEqual, "select 1m ")
})
Convey("interpolate $__interval in $__timeGroup", func() {
sql, err := Interpolate(query, timeRange, "select $__timeGroupAlias(time,$__interval)")
So(err, ShouldBeNil)
So(sql, ShouldEqual, "select $__timeGroupAlias(time,1m)")
})
Convey("interpolate $__interval_ms", func() {
sql, err := Interpolate(query, timeRange, "select $__interval_ms ")
So(err, ShouldBeNil)
So(sql, ShouldEqual, "select 60000 ")
})
Convey("interpolate __unixEpochFrom function", func() {
sql, err := Interpolate(query, timeRange, "select $__unixEpochFrom()")
So(err, ShouldBeNil)
So(sql, ShouldEqual, fmt.Sprintf("select %d", from.Unix()))
})
Convey("interpolate __unixEpochTo function", func() {
sql, err := Interpolate(query, timeRange, "select $__unixEpochTo()")
So(err, ShouldBeNil)
So(sql, ShouldEqual, fmt.Sprintf("select %d", to.Unix()))
})
})
Convey("Given row values with time.Time as time columns", func() {
var nilPointer *time.Time
fixtures := make([]interface{}, 5)
fixtures[0] = dt
fixtures[1] = &dt
fixtures[2] = earlyDt
fixtures[3] = &earlyDt
fixtures[4] = nilPointer
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
expected := float64(dt.UnixNano()) / float64(time.Millisecond)
expectedEarly := float64(earlyDt.UnixNano()) / float64(time.Millisecond)
So(fixtures[0].(float64), ShouldEqual, expected)
So(fixtures[1].(float64), ShouldEqual, expected)
So(fixtures[2].(float64), ShouldEqual, expectedEarly)
So(fixtures[3].(float64), ShouldEqual, expectedEarly)
So(fixtures[4], ShouldBeNil)
})
})
Convey("Given row values with int64 as time columns", func() {
tSeconds := dt.Unix()
tMilliseconds := dt.UnixNano() / 1e6
tNanoSeconds := dt.UnixNano()
var nilPointer *int64
fixtures := make([]interface{}, 7)
fixtures[0] = tSeconds
fixtures[1] = &tSeconds
fixtures[2] = tMilliseconds
fixtures[3] = &tMilliseconds
fixtures[4] = tNanoSeconds
fixtures[5] = &tNanoSeconds
fixtures[6] = nilPointer
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
So(fixtures[0].(int64), ShouldEqual, tSeconds*1e3)
So(fixtures[1].(int64), ShouldEqual, tSeconds*1e3)
So(fixtures[2].(int64), ShouldEqual, tMilliseconds)
So(fixtures[3].(int64), ShouldEqual, tMilliseconds)
So(fixtures[4].(int64), ShouldEqual, tMilliseconds)
So(fixtures[5].(int64), ShouldEqual, tMilliseconds)
So(fixtures[6], ShouldBeNil)
})
})
Convey("Given row values with uin64 as time columns", func() {
tSeconds := uint64(dt.Unix())
tMilliseconds := uint64(dt.UnixNano() / 1e6)
tNanoSeconds := uint64(dt.UnixNano())
var nilPointer *uint64
fixtures := make([]interface{}, 7)
fixtures[0] = tSeconds
fixtures[1] = &tSeconds
fixtures[2] = tMilliseconds
fixtures[3] = &tMilliseconds
fixtures[4] = tNanoSeconds
fixtures[5] = &tNanoSeconds
fixtures[6] = nilPointer
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
So(fixtures[0].(int64), ShouldEqual, tSeconds*1e3)
So(fixtures[1].(int64), ShouldEqual, tSeconds*1e3)
So(fixtures[2].(int64), ShouldEqual, tMilliseconds)
So(fixtures[3].(int64), ShouldEqual, tMilliseconds)
So(fixtures[4].(int64), ShouldEqual, tMilliseconds)
So(fixtures[5].(int64), ShouldEqual, tMilliseconds)
So(fixtures[6], ShouldBeNil)
})
})
Convey("Given row values with int32 as time columns", func() {
tSeconds := int32(dt.Unix())
var nilInt *int32
fixtures := make([]interface{}, 3)
fixtures[0] = tSeconds
fixtures[1] = &tSeconds
fixtures[2] = nilInt
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
So(fixtures[0].(int64), ShouldEqual, dt.Unix()*1e3)
So(fixtures[1].(int64), ShouldEqual, dt.Unix()*1e3)
So(fixtures[2], ShouldBeNil)
})
})
Convey("Given row values with uint32 as time columns", func() {
tSeconds := uint32(dt.Unix())
var nilInt *uint32
fixtures := make([]interface{}, 3)
fixtures[0] = tSeconds
fixtures[1] = &tSeconds
fixtures[2] = nilInt
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
So(fixtures[0].(int64), ShouldEqual, dt.Unix()*1e3)
So(fixtures[1].(int64), ShouldEqual, dt.Unix()*1e3)
So(fixtures[2], ShouldBeNil)
})
})
Convey("Given row values with float64 as time columns", func() {
tSeconds := float64(dt.UnixNano()) / float64(time.Second)
tMilliseconds := float64(dt.UnixNano()) / float64(time.Millisecond)
tNanoSeconds := float64(dt.UnixNano())
var nilPointer *float64
fixtures := make([]interface{}, 7)
fixtures[0] = tSeconds
fixtures[1] = &tSeconds
fixtures[2] = tMilliseconds
fixtures[3] = &tMilliseconds
fixtures[4] = tNanoSeconds
fixtures[5] = &tNanoSeconds
fixtures[6] = nilPointer
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
So(fixtures[0].(float64), ShouldEqual, tMilliseconds)
So(fixtures[1].(float64), ShouldEqual, tMilliseconds)
So(fixtures[2].(float64), ShouldEqual, tMilliseconds)
So(fixtures[3].(float64), ShouldEqual, tMilliseconds)
So(fixtures[4].(float64), ShouldEqual, tMilliseconds)
So(fixtures[5].(float64), ShouldEqual, tMilliseconds)
So(fixtures[6], ShouldBeNil)
})
})
Convey("Given row values with float32 as time columns", func() {
tSeconds := float32(dt.Unix())
var nilInt *float32
fixtures := make([]interface{}, 3)
fixtures[0] = tSeconds
fixtures[1] = &tSeconds
fixtures[2] = nilInt
for i := range fixtures {
ConvertSqlTimeColumnToEpochMs(fixtures, i)
}
Convey("When converting them should return epoch time with millisecond precision ", func() {
So(fixtures[0].(float64), ShouldEqual, float32(dt.Unix()*1e3))
So(fixtures[1].(float64), ShouldEqual, float32(dt.Unix()*1e3))
So(fixtures[2], ShouldBeNil)
})
})
Convey("Given row with value columns", func() {
intValue := 1
int64Value := int64(1)
int32Value := int32(1)
int16Value := int16(1)
int8Value := int8(1)
float64Value := float64(1)
float32Value := float32(1)
uintValue := uint(1)
uint64Value := uint64(1)
uint32Value := uint32(1)
uint16Value := uint16(1)
uint8Value := uint8(1)
fixtures := make([]interface{}, 24)
fixtures[0] = intValue
fixtures[1] = &intValue
fixtures[2] = int64Value
fixtures[3] = &int64Value
fixtures[4] = int32Value
fixtures[5] = &int32Value
fixtures[6] = int16Value
fixtures[7] = &int16Value
fixtures[8] = int8Value
fixtures[9] = &int8Value
fixtures[10] = float64Value
fixtures[11] = &float64Value
fixtures[12] = float32Value
fixtures[13] = &float32Value
fixtures[14] = uintValue
fixtures[15] = &uintValue
fixtures[16] = uint64Value
fixtures[17] = &uint64Value
fixtures[18] = uint32Value
fixtures[19] = &uint32Value
fixtures[20] = uint16Value
fixtures[21] = &uint16Value
fixtures[22] = uint8Value
fixtures[23] = &uint8Value
var intNilPointer *int
var int64NilPointer *int64
var int32NilPointer *int32
var int16NilPointer *int16
var int8NilPointer *int8
var float64NilPointer *float64
var float32NilPointer *float32
var uintNilPointer *uint
var uint64NilPointer *uint64
var uint32NilPointer *uint32
var uint16NilPointer *uint16
var uint8NilPointer *uint8
nilPointerFixtures := make([]interface{}, 12)
nilPointerFixtures[0] = intNilPointer
nilPointerFixtures[1] = int64NilPointer
nilPointerFixtures[2] = int32NilPointer
nilPointerFixtures[3] = int16NilPointer
nilPointerFixtures[4] = int8NilPointer
nilPointerFixtures[5] = float64NilPointer
nilPointerFixtures[6] = float32NilPointer
nilPointerFixtures[7] = uintNilPointer
nilPointerFixtures[8] = uint64NilPointer
nilPointerFixtures[9] = uint32NilPointer
nilPointerFixtures[10] = uint16NilPointer
nilPointerFixtures[11] = uint8NilPointer
Convey("When converting values to float should return expected value", func() {
for _, f := range fixtures {
value, _ := ConvertSqlValueColumnToFloat("col", f)
if !value.Valid {
t.Fatalf("Failed to convert %T value, expected a valid float value", f)
}
if value.Float64 != null.FloatFrom(1).Float64 {
t.Fatalf("Failed to convert %T value, expected a float value of 1.000, but got %v", f, value)
}
}
})
Convey("When converting nil pointer values to float should return expected value", func() {
for _, f := range nilPointerFixtures {
value, err := ConvertSqlValueColumnToFloat("col", f)
if err != nil {
t.Fatalf("Failed to convert %T value, expected a non nil error, but got %v", f, err)
}
if value.Valid {
t.Fatalf("Failed to convert %T value, expected an invalid float value", f)
}
}
})
})
})
}