Add pluck/patch commands for caches and transients

composer.json

@@ -41,16 +41,20 @@
             "cache flush-group",
             "cache get",
             "cache incr",
+            "cache patch",
+            "cache pluck",
             "cache replace",
             "cache set",
             "cache supports",
             "cache type",
             "transient",
             "transient delete",
             "transient get",
+            "transient list",
+            "transient patch",
+            "transient pluck",
             "transient set",
-            "transient type",
-            "transient list"
+            "transient type"
         ]
     },
     "autoload": {

features/cache-patch.feature

@@ -0,0 +1,89 @@
+Feature: Patch command available for the object cache
+
+  Scenario: Nested values from cache can be updated at any depth.
+    Given a WP install
+    And a wp-content/mu-plugins/test-harness.php file:
+      """php
+      <?php
+      $set_foo = function(){
+        wp_cache_set( 'my_key', ['foo' => 'bar'] );
+        wp_cache_set( 'other_key', ['fuz' => 'biz'] );
+
+        $complex_key = (object) [
+            'foo' => (object) [
+                'bar' => (object) [
+                    'baz' => 2,
+                ],
+            ],
+        ];
+        wp_cache_set( 'complex_key', $complex_key );
+      };
+
+      WP_CLI::add_hook( 'before_invoke:cache patch', $set_foo );
+      """
+
+    When I run `wp cache patch insert my_key fuz baz`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'my_key'.
+      """
+
+    When I run `wp cache patch insert complex_key foo bar fuz 34`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'complex_key'.
+      """
+
+    When I try `wp cache patch insert unknown_key foo bar`
+    Then STDERR should be:
+      """
+      Error: Cannot create key "foo" on data type boolean
+      """
+
+    When I run `wp cache patch update my_key foo test`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'my_key'.
+      """
+
+    When I run `wp cache patch update other_key fuz biz`
+    Then STDOUT should be:
+      """
+      Success: Value passed for cache key 'other_key' is unchanged.
+      """
+
+    When I run `wp cache patch update complex_key foo bar baz 34`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'complex_key'.
+      """
+
+    When I try `wp cache patch update unknown_key foo test`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+    When I try `wp cache patch update my_key bar test`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "bar"
+      """
+
+    When I run `wp cache patch delete my_key foo`
+    Then STDOUT should be:
+      """
+      Success: Updated cache key 'my_key'.
+      """
+
+    When I try `wp cache patch delete unknown_key foo`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "foo"
+      """
+
+    When I try `wp cache patch delete my_key bar`
+    Then STDERR should be:
+      """
+      Error: No data exists for key "bar"
+      """

features/cache-pluck.feature

@@ -0,0 +1,40 @@
+Feature: Pluck command available for the object cache
+
+  Scenario: Nested values from cache can be retrieved at any depth.
+    Given a WP install
+    And a wp-content/mu-plugins/test-harness.php file:
+      """php
+      <?php
+      $set_foo = function(){
+        wp_cache_set( 'my_key', ['foo' => 'bar'] );
+        wp_cache_set( 'my_key_2', ['foo' => ['bar' => 'baz']] );
+        wp_cache_set( 'my_key_3', ['foo' => 'bar_custom'], 'my_custom_group' );
+      };
+
+      WP_CLI::add_hook( 'before_invoke:cache pluck', $set_foo );
+      """
+
+    When I run `wp cache pluck my_key foo`
+    Then STDOUT should be:
+      """
+      bar
+      """
+
+    When I run `wp cache pluck my_key_2 foo bar`
+    Then STDOUT should be:
+      """
+      baz
+      """
+
+    When I run `wp cache pluck my_key_3 foo --group=my_custom_group`
+    Then STDOUT should be:
+      """
+      bar_custom
+      """
+
+    When I try `wp cache pluck unknown_key test`
+    Then STDERR should be:
+      """
+      Warning: No object found for the key 'unknown_key' in group 'default'
+      """
+