ledisdb/ledis/t_hash_test.go

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package ledis
import (
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"fmt"
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"testing"
)
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func TestHashCodec(t *testing.T) {
db := getTestDB()
key := []byte("key")
field := []byte("field")
ek := db.hEncodeSizeKey(key)
if k, err := db.hDecodeSizeKey(ek); err != nil {
t.Fatal(err)
} else if string(k) != "key" {
t.Fatal(string(k))
}
ek = db.hEncodeHashKey(key, field)
if k, f, err := db.hDecodeHashKey(ek); err != nil {
t.Fatal(err)
} else if string(k) != "key" {
t.Fatal(string(k))
} else if string(f) != "field" {
t.Fatal(string(f))
}
}
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func TestDBHash(t *testing.T) {
db := getTestDB()
key := []byte("testdb_hash_a")
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if n, err := db.HSet(key, []byte("a"), []byte("hello world 1")); err != nil {
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t.Fatal(err)
} else if n != 1 {
t.Fatal(n)
}
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if n, err := db.HSet(key, []byte("b"), []byte("hello world 2")); err != nil {
t.Fatal(err)
} else if n != 1 {
t.Fatal(n)
}
ay, _ := db.HMget(key, []byte("a"), []byte("b"))
if v1 := ay[0]; string(v1) != "hello world 1" {
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t.Fatal(string(v1))
}
if v2 := ay[1]; string(v2) != "hello world 2" {
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t.Fatal(string(v2))
}
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}
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func TestHashPersist(t *testing.T) {
db := getTestDB()
key := []byte("persist")
db.HSet(key, []byte("field"), []byte{})
if n, err := db.HPersist(key); err != nil {
t.Fatal(err)
} else if n != 0 {
t.Fatal(n)
}
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if _, err := db.HExpire(key, 10); err != nil {
t.Fatal(err)
}
if n, err := db.HPersist(key); err != nil {
t.Fatal(err)
} else if n != 1 {
t.Fatal(n)
}
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}
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func TestXHashExists(t *testing.T) {
db := getTestDB()
key := []byte("xhexists_test")
v, err := db.XHExists(key)
if err != nil {
t.Fatal(err.Error())
}
if v != 0 {
t.Fatal("invalid value ", v)
}
if _, err := db.HSet(key, []byte("hello"), []byte("world")); err != nil {
t.Fatal(err.Error())
}
v, err = db.XHExists(key)
if err != nil {
t.Fatal(err.Error())
}
if v != 1 {
t.Fatal("invalid value ", v)
}
}
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func TestHFlush(t *testing.T) {
db := getTestDB()
db.FlushAll()
for i := 0; i < 2000; i++ {
key := fmt.Sprintf("%d", i)
if _, err := db.HSet([]byte(key), []byte("f"), []byte("v")); err != nil {
t.Fatal(err.Error())
}
}
if v, err := db.HScan(nil, 3000, true, ""); err != nil {
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t.Fatal(err.Error())
} else if len(v) != 2000 {
t.Fatal("invalid value ", len(v))
}
for i := 0; i < 2000; i++ {
key := fmt.Sprintf("%d", i)
if v, err := db.HGet([]byte(key), []byte("f")); err != nil {
t.Fatal(err.Error())
} else if string(v) != "v" {
t.Fatal("invalid value ", v)
}
}
if n, err := db.hFlush(); err != nil {
t.Fatal(err.Error())
} else if n != 2000 {
t.Fatal("invalid value ", n)
}
if v, err := db.HScan(nil, 3000, true, ""); err != nil {
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t.Fatal(err.Error())
} else if len(v) != 0 {
t.Fatal("invalid value length ", len(v))
}
for i := 0; i < 2000; i++ {
key := []byte(fmt.Sprintf("%d", i))
if v, err := db.HGet(key, []byte("f")); err != nil {
t.Fatal(err.Error())
} else if v != nil {
t.Fatal("invalid value ", v)
}
}
}