feat: add hstrlen command for hash

Signed-off-by: rfyiamcool <rfyiamcool@163.com>

Author: rfyiamcool

commands_test.go

@@ -2421,9 +2421,10 @@ var _ = Describe("Commands", func() {
 
 			hStrLen := client.HStrLen(ctx, "hash", "key")
 			Expect(hStrLen.Err()).NotTo(HaveOccurred())
-			Expect(hStrLen.Val()).NotTo(Equal(int64(len("hello"))))
+			Expect(hStrLen.Val()).To(Equal(int64(len("hello"))))
 
-			nonHStrLen := client.HGet(ctx, "hash", "key1")
+			nonHStrLen := client.HStrLen(ctx, "hash", "keyNon")
+			Expect(hStrLen.Err()).NotTo(HaveOccurred())
 			Expect(nonHStrLen.Val()).To(Equal(int64(0)))
 
 			hDel := client.HDel(ctx, "hash", "key")

hash_commands.go

@@ -6,7 +6,6 @@ type HashCmdable interface {
 	HDel(ctx context.Context, key string, fields ...string) *IntCmd
 	HExists(ctx context.Context, key, field string) *BoolCmd
 	HGet(ctx context.Context, key, field string) *StringCmd
-	HStrLen(ctx context.Context, key, field string) *IntCmd
 	HGetAll(ctx context.Context, key string) *MapStringStringCmd
 	HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd
 	HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd
@@ -20,6 +19,7 @@ type HashCmdable interface {
 	HVals(ctx context.Context, key string) *StringSliceCmd
 	HRandField(ctx context.Context, key string, count int) *StringSliceCmd
 	HRandFieldWithValues(ctx context.Context, key string, count int) *KeyValueSliceCmd
+	HStrLen(ctx context.Context, key, field string) *IntCmd
 }
 
 func (c cmdable) HDel(ctx context.Context, key string, fields ...string) *IntCmd {
@@ -46,12 +46,6 @@ func (c cmdable) HGet(ctx context.Context, key, field string) *StringCmd {
 	return cmd
 }
 
-func (c cmdable) HStrLen(ctx context.Context, key, field string) *IntCmd {
-	cmd := NewIntCmd(ctx, "hstrlen", key, field)
-	_ = c(ctx, cmd)
-	return cmd
-}
-
 func (c cmdable) HGetAll(ctx context.Context, key string) *MapStringStringCmd {
 	cmd := NewMapStringStringCmd(ctx, "hgetall", key)
 	_ = c(ctx, cmd)
@@ -179,3 +173,9 @@ func (c cmdable) HScan(ctx context.Context, key string, cursor uint64, match str
 	_ = c(ctx, cmd)
 	return cmd
 }
+
+func (c cmdable) HStrLen(ctx context.Context, key, field string) *IntCmd {
+	cmd := NewIntCmd(ctx, "hstrlen", key, field)
+	_ = c(ctx, cmd)
+	return cmd
+}