MONGOID-5193 rails 7 support

.evergreen/config.yml

@@ -515,6 +515,10 @@ axes:
         display_name: "Rails 6.1"
         variables:
           RAILS: "6.1"
+      - id: "7.0"
+        display_name: "Rails 7.0"
+        variables:
+          RAILS: "7.0"
   - id: "i18n"
     display_name: I18n version
     values:
@@ -648,6 +652,19 @@ buildvariants:
   tasks:
      - name: "test"
 
+- matrix_name: "rails-7"
+  matrix_spec:
+    ruby: ["ruby-3.0"]
+    driver: ["current"]
+    mongodb-version: "5.0"
+    topology: "standalone"
+    rails: ['7.0']
+  display_name: "${rails}, ${driver}, ${mongodb-version}"
+  run_on:
+    - rhel70-small
+  tasks:
+     - name: "test"
+
 - matrix_name: "rails-6"
   matrix_spec:
     ruby: ["ruby-3.0"]

.github/workflows/test.yml

@@ -178,6 +178,46 @@ jobs:
           i18n:
           gemfile: gemfiles/driver_min.gemfile
           experimental: false
+        - mongodb: '5.0'
+          ruby: ruby-3.1
+          topology: server
+          os: ubuntu-20.04
+          task: test
+          driver: current
+          rails: '7.0'
+          i18n:
+          gemfile: gemfiles/rails-7.0.gemfile
+          experimental: false
+        - mongodb: '5.0'
+          ruby: ruby-3.1
+          topology: server
+          os: ubuntu-20.04
+          task: test
+          driver: current
+          rails: '6.1'
+          i18n:
+          gemfile: gemfiles/rails-6.1.gemfile
+          experimental: false
+        - mongodb: '5.0'
+          ruby: ruby-3.0
+          topology: server
+          os: ubuntu-20.04
+          task: test
+          driver: current
+          rails: '7.0'
+          i18n:
+          gemfile: gemfiles/rails-7.0.gemfile
+          experimental: false
+        - mongodb: '5.0'
+          ruby: ruby-3.0
+          topology: server
+          os: ubuntu-20.04
+          task: test
+          driver: current
+          rails: '6.1'
+          i18n:
+          gemfile: gemfiles/rails-6.1.gemfile
+          experimental: false
         - mongodb: '5.0'
           ruby: ruby-3.0
           topology: server

docs/reference/compatibility.txt

@@ -265,6 +265,7 @@ are supported by Mongoid.
    :class: compatibility-large no-padding
 
    * - Mongoid
+     - Rails 7.0
      - Rails 6.1
      - Rails 6.0
      - Rails 5.2
@@ -273,6 +274,7 @@ are supported by Mongoid.
      - Rails 4.2
 
    * - 7.4
+     - |checkmark|
      - |checkmark|
      - |checkmark|
      - |checkmark| [#rails-5-ruby-3.0]_
@@ -281,6 +283,7 @@ are supported by Mongoid.
      -
 
    * - 7.3
+     -
      - |checkmark|
      - |checkmark|
      - |checkmark| [#rails-5-ruby-3.0]_
@@ -289,6 +292,7 @@ are supported by Mongoid.
      -
 
    * - 7.2
+     -
      - |checkmark| [#rails-6.1]_
      - |checkmark|
      - |checkmark| [#rails-5-ruby-3.0]_
@@ -297,6 +301,7 @@ are supported by Mongoid.
      -
 
    * - 7.1
+     -
      - |checkmark| [#rails-6.1]_
      - |checkmark|
      - |checkmark|
@@ -305,6 +310,7 @@ are supported by Mongoid.
      -
 
    * - 7.0
+     -
      - |checkmark| [#rails-6.1]_
      - |checkmark| [#rails-6]_
      - |checkmark|
@@ -313,6 +319,7 @@ are supported by Mongoid.
      -
 
    * - 6.4
+     -
      -
      -
      - |checkmark|
@@ -321,6 +328,7 @@ are supported by Mongoid.
      -
 
    * - 6.3
+     -
      -
      -
      - |checkmark|
@@ -329,6 +337,7 @@ are supported by Mongoid.
      -
 
    * - 6.2
+     -
      -
      -
      - |checkmark|
@@ -341,6 +350,7 @@ are supported by Mongoid.
      -
      -
      -
+     -
      - |checkmark|
      -
 
@@ -349,6 +359,7 @@ are supported by Mongoid.
      -
      -
      -
+     -
      - |checkmark|
      -
 
@@ -358,6 +369,7 @@ are supported by Mongoid.
      -
      -
      -
+     -
      - |checkmark|
 
    * - 5.2
@@ -366,6 +378,7 @@ are supported by Mongoid.
      -
      -
      -
+     -
      - |checkmark|
 
 .. [#rails-5-ruby-3.0] Using Rails 5.x with Ruby 3 is not supported.

gemfiles/rails-7.0.gemfile

@@ -0,0 +1,10 @@
+source 'https://rubygems.org'
+
+gem 'actionpack', '~> 7.0'
+gem 'activemodel', '~> 7.0'
+
+gemspec path: '..'
+
+require_relative './standard'
+
+standard_dependencies

mongoid.gemspec

@@ -33,17 +33,17 @@ Gem::Specification.new do |s|
   s.required_ruby_version     = ">= 2.5"
   s.required_rubygems_version = ">= 1.3.6"
 
-  if RUBY_VERSION.start_with?('2.')
-    s.add_dependency("activemodel", [">=5.1", "<6.2"])
-  elsif RUBY_VERSION.start_with?('3.')
-    s.add_dependency("activemodel", [">=6.0", "<6.2"])
-  end
+  # Ruby 3.0 requires ActiveModel 6.0 or higher.
+  # activemodel 7.0.0 cannot be used due to Class#descendants issue
+  # See: https://github.com/rails/rails/pull/43951
+  s.add_dependency("activemodel", ['>=5.1', '<7.1', '!= 7.0.0'])
   s.add_dependency("mongo", ['>=2.10.5', '<3.0.0'])
-  # Using this gem is recommended for handling argument delegation issues,
+
+  # The ruby2_keywords gem is recommended for handling argument delegation issues,
   # especially if support for 2.6 or prior is required.
   # See https://www.ruby-lang.org/en/news/2019/12/12/separation-of-positional-and-keyword-arguments-in-ruby-3-0/#delegation
   #
-  # We have a bunch of complex delegation logic, including various method_missngs.
+  # We have a bunch of complex delegation logic, including various method_missings.
   # If we try to fix them "right", it will add too much logic. We will have to
   # handle different Ruby versions (including minor ones, Ruby 2.6 and 2.7
   # behave differently), hash key types (strings vs symbols), ways of passing