Add wp config add and wp config update commands

composer.json

@@ -41,6 +41,7 @@
         "bundled": true,
         "commands": [
             "config",
+            "config add",
             "config edit",
             "config delete",
             "config create",
@@ -50,7 +51,8 @@
             "config list",
             "config path",
             "config set",
-            "config shuffle-salts"
+            "config shuffle-salts",
+            "config update"
         ]
     },
     "autoload": {

features/config-add.feature

@@ -0,0 +1,138 @@
+Feature: Add a constant or variable to wp-config.php file
+
+  Scenario: Add a new constant to wp-config.php
+    Given a WP install
+
+    When I run `wp config add NEW_CONSTANT constant_value`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'NEW_CONSTANT' to the 'wp-config.php' file with the value 'constant_value'.
+      """
+
+    When I run `wp config get NEW_CONSTANT`
+    Then STDOUT should be:
+      """
+      constant_value
+      """
+
+  Scenario: Add a new variable to wp-config.php
+    Given a WP install
+
+    When I run `wp config add new_variable variable_value --type=variable`
+    Then STDOUT should be:
+      """
+      Success: Added the variable 'new_variable' to the 'wp-config.php' file with the value 'variable_value'.
+      """
+
+    When I run `wp config get new_variable`
+    Then STDOUT should be:
+      """
+      variable_value
+      """
+
+  Scenario: Add a raw constant to wp-config.php
+    Given a WP install
+
+    When I run `wp config add WP_DEBUG true --raw`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'WP_DEBUG' to the 'wp-config.php' file with the raw value 'true'.
+      """
+
+    When I run `wp config list WP_DEBUG --strict --format=json`
+    Then STDOUT should contain:
+      """
+      {"name":"WP_DEBUG","value":true,"type":"constant"}
+      """
+
+  Scenario: Fail when trying to add an existing constant
+    Given a WP install
+
+    When I run `wp config add TEST_CONSTANT test_value`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'TEST_CONSTANT' to the 'wp-config.php' file with the value 'test_value'.
+      """
+
+    When I try `wp config add TEST_CONSTANT another_value`
+    Then STDERR should be:
+      """
+      Error: The constant 'TEST_CONSTANT' already exists in the 'wp-config.php' file.
+      """
+
+  Scenario: Fail when trying to add an existing variable
+    Given a WP install
+
+    When I run `wp config add test_variable test_value --type=variable`
+    Then STDOUT should be:
+      """
+      Success: Added the variable 'test_variable' to the 'wp-config.php' file with the value 'test_value'.
+      """
+
+    When I try `wp config add test_variable another_value --type=variable`
+    Then STDERR should be:
+      """
+      Error: The variable 'test_variable' already exists in the 'wp-config.php' file.
+      """
+
+  @custom-config-file
+  Scenario: Add a new constant to wp-custom-config.php
+    Given an empty directory
+    And WP files
+
+    When I run `wp config create {CORE_CONFIG_SETTINGS} --skip-check --config-file='wp-custom-config.php'`
+    Then STDOUT should contain:
+      """
+      Generated 'wp-custom-config.php' file.
+      """
+
+    When I run `wp config add NEW_CONSTANT constant_value --config-file='wp-custom-config.php'`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'NEW_CONSTANT' to the 'wp-custom-config.php' file with the value 'constant_value'.
+      """
+
+    When I run `wp config get NEW_CONSTANT --config-file='wp-custom-config.php'`
+    Then STDOUT should be:
+      """
+      constant_value
+      """
+
+  Scenario: Additions can be properly placed in wp-config.php
+    Given a WP install
+    And a wp-config.php file:
+      """
+      define( 'CONST_A', 'val-a' );
+      /** ANCHOR */
+      define( 'CONST_B', 'val-b' );
+      require_once( ABSPATH . 'wp-settings.php' );
+      """
+
+    When I run `wp config add SOME_NAME some_value --anchor="/** ANCHOR */" --placement=before --separator="\n"`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'SOME_NAME' to the 'wp-config.php' file with the value 'some_value'.
+      """
+    And the wp-config.php file should be:
+      """
+      define( 'CONST_A', 'val-a' );
+      define( 'SOME_NAME', 'some_value' );
+      /** ANCHOR */
+      define( 'CONST_B', 'val-b' );
+      require_once( ABSPATH . 'wp-settings.php' );
+      """
+
+    When I run `wp config add ANOTHER_NAME another_value --anchor="/** ANCHOR */" --placement=after --separator="\n"`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'ANOTHER_NAME' to the 'wp-config.php' file with the value 'another_value'.
+      """
+    And the wp-config.php file should be:
+      """
+      define( 'CONST_A', 'val-a' );
+      define( 'SOME_NAME', 'some_value' );
+      /** ANCHOR */
+      define( 'ANOTHER_NAME', 'another_value' );
+      define( 'CONST_B', 'val-b' );
+      require_once( ABSPATH . 'wp-settings.php' );
+      """

features/config-update.feature

@@ -0,0 +1,188 @@
+Feature: Update or add a constant or variable in wp-config.php file
+
+  Scenario: Update an existing constant in wp-config.php
+    Given a WP install
+
+    When I run `wp config update DB_HOST db.example.com`
+    Then STDOUT should be:
+      """
+      Success: Updated the constant 'DB_HOST' in the 'wp-config.php' file with the value 'db.example.com'.
+      """
+
+    When I run `wp config get DB_HOST`
+    Then STDOUT should be:
+      """
+      db.example.com
+      """
+
+  Scenario: Add a new constant when it doesn't exist
+    Given a WP install
+
+    When I run `wp config update NEW_CONSTANT constant_value`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'NEW_CONSTANT' to the 'wp-config.php' file with the value 'constant_value'.
+      """
+
+    When I run `wp config get NEW_CONSTANT`
+    Then STDOUT should be:
+      """
+      constant_value
+      """
+
+  Scenario: Update an existing constant then add it again
+    Given a WP install
+
+    When I run `wp config update TEST_CONSTANT first_value`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'TEST_CONSTANT' to the 'wp-config.php' file with the value 'first_value'.
+      """
+
+    When I run `wp config update TEST_CONSTANT second_value`
+    Then STDOUT should be:
+      """
+      Success: Updated the constant 'TEST_CONSTANT' in the 'wp-config.php' file with the value 'second_value'.
+      """
+
+    When I run `wp config get TEST_CONSTANT`
+    Then STDOUT should be:
+      """
+      second_value
+      """
+
+  Scenario: Update a variable with --type=variable
+    Given a WP install
+
+    When I run `wp config update new_variable variable_value --type=variable`
+    Then STDOUT should be:
+      """
+      Success: Added the variable 'new_variable' to the 'wp-config.php' file with the value 'variable_value'.
+      """
+
+    When I run `wp config update new_variable updated_value --type=variable`
+    Then STDOUT should be:
+      """
+      Success: Updated the variable 'new_variable' in the 'wp-config.php' file with the value 'updated_value'.
+      """
+
+    When I run `wp config get new_variable`
+    Then STDOUT should be:
+      """
+      updated_value
+      """
+
+  Scenario: Update raw values in wp-config.php
+    Given a WP install
+
+    When I run `wp config update WP_DEBUG true --raw`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'WP_DEBUG' to the 'wp-config.php' file with the raw value 'true'.
+      """
+
+    When I run `wp config list WP_DEBUG --strict --format=json`
+    Then STDOUT should contain:
+      """
+      {"name":"WP_DEBUG","value":true,"type":"constant"}
+      """
+
+    When I run `wp config update WP_DEBUG false --raw`
+    Then STDOUT should be:
+      """
+      Success: Updated the constant 'WP_DEBUG' in the 'wp-config.php' file with the raw value 'false'.
+      """
+
+    When I run `wp config list WP_DEBUG --strict --format=json`
+    Then STDOUT should contain:
+      """
+      {"name":"WP_DEBUG","value":false,"type":"constant"}
+      """
+
+  @custom-config-file
+  Scenario: Update a constant in wp-custom-config.php
+    Given an empty directory
+    And WP files
+
+    When I run `wp config create {CORE_CONFIG_SETTINGS} --skip-check --config-file='wp-custom-config.php'`
+    Then STDOUT should contain:
+      """
+      Generated 'wp-custom-config.php' file.
+      """
+
+    When I run `wp config update DB_HOST db.example.com --config-file='wp-custom-config.php'`
+    Then STDOUT should be:
+      """
+      Success: Updated the constant 'DB_HOST' in the 'wp-custom-config.php' file with the value 'db.example.com'.
+      """
+
+    When I run `wp config get DB_HOST --config-file='wp-custom-config.php'`
+    Then STDOUT should be:
+      """
+      db.example.com
+      """
+
+  Scenario: Ambiguous update requests throw errors
+    Given a WP install
+
+    When I run `wp config update SOME_NAME some_value --type=constant`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'SOME_NAME' to the 'wp-config.php' file with the value 'some_value'.
+      """
+
+    When I run `wp config update SOME_NAME some_value --type=variable`
+    Then STDOUT should be:
+      """
+      Success: Added the variable 'SOME_NAME' to the 'wp-config.php' file with the value 'some_value'.
+      """
+
+    When I run `wp config list --fields=name,type SOME_NAME --strict`
+    Then STDOUT should be a table containing rows:
+      | name      | type     |
+      | SOME_NAME | constant |
+      | SOME_NAME | variable |
+
+    When I try `wp config update SOME_NAME some_value`
+    Then STDERR should be:
+      """
+      Error: Found both a constant and a variable 'SOME_NAME' in the 'wp-config.php' file. Use --type=<type> to disambiguate.
+      """
+
+  Scenario: Update with placement options for new constants
+    Given a WP install
+    And a wp-config.php file:
+      """
+      define( 'CONST_A', 'val-a' );
+      /** ANCHOR */
+      define( 'CONST_B', 'val-b' );
+      require_once( ABSPATH . 'wp-settings.php' );
+      """
+
+    When I run `wp config update SOME_NAME some_value --anchor="/** ANCHOR */" --placement=before --separator="\n"`
+    Then STDOUT should be:
+      """
+      Success: Added the constant 'SOME_NAME' to the 'wp-config.php' file with the value 'some_value'.
+      """
+    And the wp-config.php file should be:
+      """
+      define( 'CONST_A', 'val-a' );
+      define( 'SOME_NAME', 'some_value' );
+      /** ANCHOR */
+      define( 'CONST_B', 'val-b' );
+      require_once( ABSPATH . 'wp-settings.php' );
+      """
+
+    When I run `wp config update SOME_NAME updated_value --anchor="/** ANCHOR */" --placement=before --separator="\n"`
+    Then STDOUT should be:
+      """
+      Success: Updated the constant 'SOME_NAME' in the 'wp-config.php' file with the value 'updated_value'.
+      """
+    And the wp-config.php file should be:
+      """
+      define( 'CONST_A', 'val-a' );
+      define( 'SOME_NAME', 'updated_value' );
+      /** ANCHOR */
+      define( 'CONST_B', 'val-b' );
+      require_once( ABSPATH . 'wp-settings.php' );
+      """