Delete list of keys in batch (#90)

* Kredis::Migration#delete_all array of keys

* Kredis::Migration#delete_all array of keys

* Kredis::Migration#delete_all array of keys

Author: tleish

lib/kredis/migration.rb

@@ -30,9 +30,15 @@ def migrate(from:, to:, pipeline: nil)
     end
   end
 
-  def delete_all(key_pattern)
-    each_key_batch_matching(key_pattern) do |keys, pipeline|
-      pipeline.del *keys
+  def delete_all(*key_patterns)
+    log_migration "DELETE ALL #{key_patterns.inspect}" do
+      if key_patterns.length > 1
+        @redis.del *key_patterns
+      else
+        each_key_batch_matching(key_patterns.first) do |keys, pipeline|
+          pipeline.del *keys
+        end
+      end
     end
   end
 

test/migration_test.rb

@@ -51,11 +51,19 @@ class MigrationTest < ActiveSupport::TestCase
     end
   end
 
-  test "delete_all" do
+  test "delete_all with pattern" do
     3.times { |index| Kredis.proxy("mykey:#{index}").set "hello there #{index}" }
 
     Kredis::Migration.delete_all "mykey:*"
 
     3.times { |index| assert_nil Kredis.proxy("mykey:#{index}").get }
   end
+
+  test "delete_all with keys" do
+    3.times { |index| Kredis.proxy("mykey:#{index}").set "hello there #{index}" }
+
+    Kredis::Migration.delete_all *3.times.map { |index| "mykey:#{index}" }
+
+    3.times { |index| assert_nil Kredis.proxy("mykey:#{index}").get }
+  end
 end