ledisdb/ledis/t_hash_test.go

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package ledis
import (
"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].([]byte); string(v1) != "hello world 1" {
t.Fatal(string(v1))
}
if v2, _ := ay[1].([]byte); string(v2) != "hello world 2" {
t.Fatal(string(v2))
}
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}
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func TestDBHScan(t *testing.T) {
db := getTestDB()
db.hFlush()
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key := []byte("a")
db.HSet(key, []byte("1"), []byte{})
db.HSet(key, []byte("2"), []byte{})
db.HSet(key, []byte("3"), []byte{})
if v, err := db.HScan(key, nil, 1, true); err != nil {
t.Fatal(err)
} else if len(v) != 1 {
t.Fatal(len(v))
}
if v, err := db.HScan(key, []byte("1"), 2, false); err != nil {
t.Fatal(err)
} else if len(v) != 2 {
t.Fatal(len(v))
}
if v, err := db.HScan(key, nil, 10, true); err != nil {
t.Fatal(err)
} else if len(v) != 3 {
t.Fatal(len(v))
}
}