Files
gocqlx/qb/select_test.go
Michał Matczuk 546e11d58f qb: select
2017-07-28 12:10:50 +02:00

107 lines
2.6 KiB
Go

package qb
import (
"testing"
"github.com/google/go-cmp/cmp"
)
func TestSelectBuilder(t *testing.T) {
m := mockExpr{
cql: "expr",
names: []string{"expr"},
}
table := []struct {
B *SelectBuilder
N []string
S string
}{
// Basic test for select *
{
B: Select("cycling.cyclist_name"),
S: "SELECT * FROM cycling.cyclist_name ",
},
// Basic test for select columns
{
B: Select("cycling.cyclist_name").Columns("id", "user_uuid", "firstname"),
S: "SELECT id,user_uuid,firstname FROM cycling.cyclist_name ",
},
// Basic test for select distinct
{
B: Select("cycling.cyclist_name").Distinct("id"),
S: "SELECT DISTINCT id FROM cycling.cyclist_name ",
},
// Change table name
{
B: Select("cycling.cyclist_name").From("Foobar"),
S: "SELECT * FROM Foobar ",
},
// Add WHERE
{
B: Select("cycling.cyclist_name").Where(m).Where(mockExpr{
cql: "expr_1",
names: []string{"expr_1"},
}, mockExpr{
cql: "expr_2",
names: []string{"expr_2"},
}),
S: "SELECT * FROM cycling.cyclist_name WHERE expr AND expr_1 AND expr_2 ",
N: []string{"expr", "expr_1", "expr_2"},
},
// Add GROUP BY
{
B: Select("cycling.cyclist_name").Columns("MAX(stars) as max_stars").GroupBy("id"),
S: "SELECT id,MAX(stars) as max_stars FROM cycling.cyclist_name GROUP BY id ",
},
// Add ORDER BY
{
B: Select("cycling.cyclist_name").Where(m).OrderBy("firstname", ASC),
S: "SELECT * FROM cycling.cyclist_name WHERE expr ORDER BY firstname ASC ",
N: []string{"expr"},
},
// Add LIMIT
{
B: Select("cycling.cyclist_name").Where(m).Limit(10),
S: "SELECT * FROM cycling.cyclist_name WHERE expr LIMIT 10 ",
N: []string{"expr"},
},
// Add PER PARTITION LIMIT
{
B: Select("cycling.cyclist_name").Where(m).LimitPerPartition(10),
S: "SELECT * FROM cycling.cyclist_name WHERE expr PER PARTITION LIMIT 10 ",
N: []string{"expr"},
},
// Add ALLOW FILTERING
{
B: Select("cycling.cyclist_name").Where(m).AllowFiltering(),
S: "SELECT * FROM cycling.cyclist_name WHERE expr ALLOW FILTERING ",
N: []string{"expr"},
},
}
for _, test := range table {
stmt, names, err := test.B.ToCql()
if err != nil {
t.Error("unexpected error", err)
}
if diff := cmp.Diff(test.S, stmt); diff != "" {
t.Error(diff)
}
if diff := cmp.Diff(test.N, names); diff != "" {
t.Error(diff)
}
}
}
func BenchmarkSelectBuilder(b *testing.B) {
m := mockExpr{
cql: "expr",
names: []string{"expr"},
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
Select("cycling.cyclist_name").Columns("id", "user_uuid", "firstname", "stars").Where(m)
}
}