feat(redis_client): add MSET (#3017)

cspell.config.yaml

@@ -45,7 +45,7 @@ words:
   - gradlew
   - hotreload
   - idevicesyslog
-  - incrbyfloat # From redis_client
+  - incrbyfloat # From ./packages/redis_client
   - iokit
   - iphoneos
   - keyalg # From .github/workflows/e2e.yaml
@@ -66,6 +66,7 @@ words:
   - metadatas
   - mktemp
   - mocktail
+  - mset # From ./packages/redis_client
   - multioption
   - noaudio # From .github dir, doesn't show up in "**" check?
   - NOAUTH

packages/redis_client/lib/src/redis_client.dart

@@ -182,6 +182,17 @@ class RedisClient {
     ]);
   }
 
+  /// Sets the given keys to their respective values. MSET replaces existing
+  /// values with new values, just as regular SET.
+  /// Equivalent to the `MSET` command.
+  /// https://redis.io/commands/mset
+  Future<void> mset({required List<({String key, String value})> pairs}) async {
+    return execute([
+      'MSET',
+      for (final pair in pairs) ...[pair.key, pair.value],
+    ]);
+  }
+
   /// Gets the value of a key.
   /// Returns null if the key does not exist.
   /// Equivalent to the `GET` command.

packages/redis_client/test/src/redis_client_test.dart

@@ -252,19 +252,13 @@ void main() {
       });
     });
 
-    group('MGET', () {
+    group('MGET/MSET', () {
       final kvPairs = [
         for (var i = 0; i < 10; i++) (key: 'key_$i', value: 'value_$i'),
       ];
 
       setUp(() async {
         await client.connect();
-        for (final pair in kvPairs) {
-          await expectLater(
-            client.set(key: pair.key, value: pair.value),
-            completes,
-          );
-        }
       });
 
       tearDown(() async {
@@ -280,6 +274,7 @@ void main() {
       });
 
       test('completes', () async {
+        await expectLater(client.mset(pairs: kvPairs), completes);
         await expectLater(
           client.mget(keys: kvPairs.map((pair) => pair.key).toList()),
           completion(equals(kvPairs.map((pair) => pair.value).toList())),