From bcc1209285f0294ac416b052ece6993acee80170 Mon Sep 17 00:00:00 2001
From: Omer Katz <omer.drow@gmail.com>
Date: Sun, 19 Aug 2018 18:01:14 +0300
Subject: [PATCH] Implemented hstrlen.

---
 README.rst        |  6 ------
 fakeredis.py      |  4 ++++
 test_fakeredis.py | 10 ++++++++++
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/README.rst b/README.rst
index 55cae93..a965c32 100644
--- a/README.rst
+++ b/README.rst
@@ -229,12 +229,6 @@ geo
  * georadiusbymember
 
 
-hash
-----
-
- * hstrlen
-
-
 sorted_set
 ----------
 
diff --git a/fakeredis.py b/fakeredis.py
index 138e23b..901e19f 100644
--- a/fakeredis.py
+++ b/fakeredis.py
@@ -1221,6 +1221,10 @@ def hget(self, name, key):
         "Return the value of ``key`` within the hash ``name``"
         return self._get_hash(name).get(key)
 
+    def hstrlen(self, name, key):
+        "Returns the string length of the value associated with field in the hash stored at key"
+        return len(self._get_hash(name).get(key, ""))
+
     def hgetall(self, name):
         "Return a Python dict of the hash's name/value pairs"
         all_items = dict()
diff --git a/test_fakeredis.py b/test_fakeredis.py
index 71fc30b..c99a876 100644
--- a/test_fakeredis.py
+++ b/test_fakeredis.py
@@ -1082,6 +1082,16 @@ def test_empty_list(self):
 
     # Tests for the hash type.
 
+    def test_hstrlen_missing(self):
+        self.assertEqual(self.redis.hstrlen('foo', 'doesnotexist'), 0)
+
+        self.redis.hset('foo', 'key', 'value')
+        self.assertEqual(self.redis.hstrlen('foo', 'doesnotexist'), 0)
+
+    def test_hstrlen(self):
+        self.redis.hset('foo', 'key', 'value')
+        self.assertEqual(self.redis.hstrlen('foo', 'key'), 5)
+
     def test_hset_then_hget(self):
         self.assertEqual(self.redis.hset('foo', 'key', 'value'), 1)
         self.assertEqual(self.redis.hget('foo', 'key'), b'value')