chronograf/influx/templates_test.go

134 lines
2.5 KiB
Go

package influx
import (
"testing"
"github.com/influxdata/chronograf"
)
func TestTemplateReplace(t *testing.T) {
tests := []struct {
name string
query string
vars []chronograf.TemplateVar
want string
}{
{
name: "select with parameters",
query: "$METHOD field1, $field FROM $measurement WHERE temperature > $temperature",
vars: []chronograf.TemplateVar{
{
Var: "$temperature",
Values: []chronograf.TemplateValue{
{
Type: "csv",
Value: "10",
},
},
},
{
Var: "$field",
Values: []chronograf.TemplateValue{
{
Type: "fieldKey",
Value: "field2",
},
},
},
{
Var: "$METHOD",
Values: []chronograf.TemplateValue{
{
Type: "csv",
Value: "SELECT",
},
},
},
{
Var: "$measurement",
Values: []chronograf.TemplateValue{
{
Type: "csv",
Value: `"cpu"`,
},
},
},
},
want: `SELECT field1, "field2" FROM "cpu" WHERE temperature > 10`,
},
{
name: "select with parameters and aggregates",
query: `SELECT mean($field) FROM "cpu" WHERE $tag = $value GROUP BY $tag`,
vars: []chronograf.TemplateVar{
{
Var: "$value",
Values: []chronograf.TemplateValue{
{
Type: "tagValue",
Value: "howdy.com",
},
},
},
{
Var: "$tag",
Values: []chronograf.TemplateValue{
{
Type: "tagKey",
Value: "host",
},
},
},
{
Var: "$field",
Values: []chronograf.TemplateValue{
{
Type: "fieldKey",
Value: "field",
},
},
},
},
want: `SELECT mean("field") FROM "cpu" WHERE "host" = 'howdy.com' GROUP BY "host"`,
},
{
name: "Non-existant parameters",
query: `SELECT $field FROM "cpu"`,
want: `SELECT $field FROM "cpu"`,
},
{
name: "var without a value",
query: `SELECT $field FROM "cpu"`,
vars: []chronograf.TemplateVar{
{
Var: "$field",
},
},
want: `SELECT $field FROM "cpu"`,
},
{
name: "var with unknown type",
query: `SELECT $field FROM "cpu"`,
vars: []chronograf.TemplateVar{
{
Var: "$field",
Values: []chronograf.TemplateValue{
{
Type: "who knows?",
Value: "field",
},
},
},
},
want: `SELECT $field FROM "cpu"`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := TemplateReplace(tt.query, tt.vars)
if got != tt.want {
t.Errorf("TestParse %s =\n%s\nwant\n%s", tt.name, got, tt.want)
}
})
}
}