homework-jianmu/alert/app/rule_test.go

82 lines
1.6 KiB
Go

package app
import (
"fmt"
"testing"
"github.com/taosdata/alert/utils/log"
)
func TestParseGroupBy(t *testing.T) {
cases := []struct {
sql string
cols []string
}{
{
sql: "select * from a",
cols: []string{},
},
{
sql: "select * from a group by abc",
cols: []string{"abc"},
},
{
sql: "select * from a group by abc, def",
cols: []string{"abc", "def"},
},
{
sql: "select * from a Group by abc, def order by abc",
cols: []string{"abc", "def"},
},
}
for _, c := range cases {
cols, e := parseGroupBy(c.sql)
if e != nil {
t.Errorf("failed to parse sql '%s': %s", c.sql, e.Error())
}
for i := range cols {
if i >= len(c.cols) {
t.Errorf("count of group by columns of '%s' is wrong", c.sql)
}
if c.cols[i] != cols[i] {
t.Errorf("wrong group by columns for '%s'", c.sql)
}
}
}
}
func TestManagement(t *testing.T) {
const format = `{"name":"rule%d", "sql":"select count(*) as count from meters", "expr":"count>2"}`
log.Init()
for i := 0; i < 5; i++ {
s := fmt.Sprintf(format, i)
rule, e := newRule(s)
if e != nil {
t.Errorf("failed to create rule: %s", e.Error())
}
e = doUpdateRule(rule, s)
if e != nil {
t.Errorf("failed to add or update rule: %s", e.Error())
}
}
for i := 0; i < 5; i++ {
name := fmt.Sprintf("rule%d", i)
if _, ok := rules.Load(name); !ok {
t.Errorf("rule '%s' does not exist", name)
}
}
name := "rule1"
if e := doDeleteRule(name); e != nil {
t.Errorf("failed to delete rule: %s", e.Error())
}
if _, ok := rules.Load(name); ok {
t.Errorf("rule '%s' should not exist any more", name)
}
}