Files
redka/internal/command/hash/hmget_test.go
2025-07-13 13:05:18 +05:00

109 lines
2.5 KiB
Go

package hash
import (
"testing"
"github.com/nalgeon/be"
"github.com/nalgeon/redka/internal/core"
"github.com/nalgeon/redka/internal/redis"
)
func TestHMGetParse(t *testing.T) {
tests := []struct {
cmd string
key string
fields []string
err error
}{
{
cmd: "hmget",
key: "",
fields: nil,
err: redis.ErrInvalidArgNum,
},
{
cmd: "hmget person",
key: "",
fields: nil,
err: redis.ErrInvalidArgNum,
},
{
cmd: "hmget person name",
key: "person",
fields: []string{"name"},
err: nil,
},
{
cmd: "hmget person name age",
key: "person",
fields: []string{"name", "age"},
err: nil,
},
}
for _, test := range tests {
t.Run(test.cmd, func(t *testing.T) {
cmd, err := redis.Parse(ParseHMGet, test.cmd)
be.Equal(t, err, test.err)
if err == nil {
be.Equal(t, cmd.key, test.key)
be.Equal(t, cmd.fields, test.fields)
} else {
be.Equal(t, cmd, HMGet{})
}
})
}
}
func TestHMGetExec(t *testing.T) {
t.Run("one field", func(t *testing.T) {
red := getRedka(t)
_, _ = red.Hash().Set("person", "name", "alice")
_, _ = red.Hash().Set("person", "age", 25)
cmd := redis.MustParse(ParseHMGet, "hmget person name")
conn := redis.NewFakeConn()
res, err := cmd.Run(conn, red)
be.Err(t, err, nil)
be.Equal(t, conn.Out(), "1,alice")
items := res.([]core.Value)
be.Equal(t, len(items), 1)
be.Equal(t, items[0], core.Value("alice"))
})
t.Run("some fields", func(t *testing.T) {
red := getRedka(t)
_, _ = red.Hash().Set("person", "name", "alice")
_, _ = red.Hash().Set("person", "age", 25)
_, _ = red.Hash().Set("person", "happy", true)
cmd := redis.MustParse(ParseHMGet, "hmget person name happy city")
conn := redis.NewFakeConn()
res, err := cmd.Run(conn, red)
be.Err(t, err, nil)
be.Equal(t, conn.Out(), "3,alice,1,(nil)")
items := res.([]core.Value)
be.Equal(t, len(items), 3)
be.Equal(t, items[0], core.Value("alice"))
be.Equal(t, items[1], core.Value("1"))
be.Equal(t, items[2], core.Value(nil))
})
t.Run("all fields", func(t *testing.T) {
red := getRedka(t)
_, _ = red.Hash().Set("person", "name", "alice")
_, _ = red.Hash().Set("person", "age", 25)
cmd := redis.MustParse(ParseHMGet, "hmget person name age")
conn := redis.NewFakeConn()
res, err := cmd.Run(conn, red)
be.Err(t, err, nil)
be.Equal(t, conn.Out(), "2,alice,25")
items := res.([]core.Value)
be.Equal(t, len(items), 2)
be.Equal(t, items[0], core.Value("alice"))
be.Equal(t, items[1], core.Value("25"))
})
}