mirror of
https://github.com/nalgeon/redka.git
synced 2025-09-27 04:16:00 +08:00
139 lines
3.3 KiB
Go
139 lines
3.3 KiB
Go
package list
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import (
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"testing"
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"github.com/nalgeon/be"
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"github.com/nalgeon/redka/internal/redis"
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)
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func TestLTrimParse(t *testing.T) {
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tests := []struct {
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cmd string
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want LTrim
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err error
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}{
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{
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cmd: "ltrim",
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want: LTrim{},
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err: redis.ErrInvalidArgNum,
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},
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{
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cmd: "ltrim key 1",
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want: LTrim{},
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err: redis.ErrInvalidArgNum,
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},
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{
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cmd: "ltrim key 1 -2",
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want: LTrim{key: "key", start: 1, stop: -2},
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err: nil,
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},
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}
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for _, test := range tests {
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t.Run(test.cmd, func(t *testing.T) {
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cmd, err := redis.Parse(ParseLTrim, test.cmd)
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be.Equal(t, err, test.err)
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if err == nil {
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be.Equal(t, cmd.key, test.want.key)
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be.Equal(t, cmd.start, test.want.start)
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be.Equal(t, cmd.stop, test.want.stop)
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} else {
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be.Equal(t, cmd, test.want)
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}
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})
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}
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}
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func TestLTrimExec(t *testing.T) {
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t.Run("empty list", func(t *testing.T) {
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red := getRedka(t)
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cmd := redis.MustParse(ParseLTrim, "ltrim key 0 0")
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conn := redis.NewFakeConn()
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res, err := cmd.Run(conn, red)
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be.Err(t, err, nil)
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be.Equal(t, res, 0)
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be.Equal(t, conn.Out(), "OK")
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})
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t.Run("keep single elem", func(t *testing.T) {
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red := getRedka(t)
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_, _ = red.List().PushBack("key", "elem")
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cmd := redis.MustParse(ParseLTrim, "ltrim key 0 0")
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conn := redis.NewFakeConn()
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res, err := cmd.Run(conn, red)
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be.Err(t, err, nil)
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be.Equal(t, res, 0)
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be.Equal(t, conn.Out(), "OK")
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count, _ := red.List().Len("key")
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be.Equal(t, count, 1)
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})
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t.Run("keep multiple elems", func(t *testing.T) {
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red := getRedka(t)
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_, _ = red.List().PushBack("key", "one")
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_, _ = red.List().PushBack("key", "two")
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_, _ = red.List().PushBack("key", "thr")
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_, _ = red.List().PushBack("key", "fou")
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cmd := redis.MustParse(ParseLTrim, "ltrim key 1 2")
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conn := redis.NewFakeConn()
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res, err := cmd.Run(conn, red)
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be.Err(t, err, nil)
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be.Equal(t, res, 2)
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be.Equal(t, conn.Out(), "OK")
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count, _ := red.List().Len("key")
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be.Equal(t, count, 2)
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el0, _ := red.List().Get("key", 0)
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be.Equal(t, el0.String(), "two")
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el1, _ := red.List().Get("key", 1)
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be.Equal(t, el1.String(), "thr")
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})
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t.Run("negative index", func(t *testing.T) {
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red := getRedka(t)
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_, _ = red.List().PushBack("key", "one")
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_, _ = red.List().PushBack("key", "two")
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_, _ = red.List().PushBack("key", "thr")
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_, _ = red.List().PushBack("key", "fou")
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cmd := redis.MustParse(ParseLTrim, "ltrim key 0 -1")
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conn := redis.NewFakeConn()
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res, err := cmd.Run(conn, red)
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be.Err(t, err, nil)
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be.Equal(t, res, 0)
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be.Equal(t, conn.Out(), "OK")
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count, _ := red.List().Len("key")
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be.Equal(t, count, 4)
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})
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t.Run("start > stop", func(t *testing.T) {
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red := getRedka(t)
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_, _ = red.List().PushBack("key", "one")
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_, _ = red.List().PushBack("key", "two")
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_, _ = red.List().PushBack("key", "thr")
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cmd := redis.MustParse(ParseLTrim, "ltrim key 2 1")
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conn := redis.NewFakeConn()
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res, err := cmd.Run(conn, red)
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be.Err(t, err, nil)
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be.Equal(t, res, 3)
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be.Equal(t, conn.Out(), "OK")
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count, _ := red.List().Len("key")
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be.Equal(t, count, 0)
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})
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t.Run("key type mismatch", func(t *testing.T) {
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red := getRedka(t)
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_ = red.Str().Set("key", "str")
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cmd := redis.MustParse(ParseLTrim, "ltrim key 0 0")
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conn := redis.NewFakeConn()
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res, err := cmd.Run(conn, red)
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be.Err(t, err, nil)
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be.Equal(t, res, 0)
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be.Equal(t, conn.Out(), "OK")
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})
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}
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