Install active_storage migrations

spec/support/unit/rails_application.rb

@@ -2,12 +2,15 @@
 require_relative '../tests/command_runner'
 require_relative '../tests/database'
 require_relative '../tests/filesystem'
+require_relative 'helpers/active_record_versions'
 require_relative 'helpers/rails_versions'
 
 require 'yaml'
 
 module UnitTests
   class RailsApplication
+    include UnitTests::ActiveRecordVersions
+
     def initialize
       @fs = Tests::Filesystem.new
       @bundle = Tests::Bundle.new
@@ -26,6 +29,10 @@ def create
     def load
       load_environment
 
+      if active_record_supports_active_storage?
+        add_active_storage_migration
+      end
+
       if rails_version > 5 && bundle.includes?('actiontext')
         add_action_text_migration
       end
@@ -170,6 +177,12 @@ class DevelopmentRecord < ActiveRecord::Base
       TEXT
     end
 
+    def add_active_storage_migration
+      fs.within_project do
+        run_command! 'bundle exec rake active_storage:install:migrations'
+      end
+    end
+
     def add_action_text_migration
       fs.within_project do
         run_command! 'bundle exec rake action_text:install:migrations'

spec/unit/shoulda/matchers/active_record/have_attached_matcher_spec.rb

@@ -2,35 +2,6 @@
 
 describe Shoulda::Matchers::ActiveRecord::HaveAttachedMatcher, type: :model do
   if active_record_supports_active_storage?
-    before do
-      create_table :active_storage_blobs do |t|
-        t.string :key, null: false
-        t.string :filename, null: false
-        t.string :content_type
-        t.text :metadata
-        t.bigint :byte_size, null: false
-        t.string :checksum, null: false
-        t.datetime :created_at, null: false
-
-        t.index [:key], unique: true
-      end
-
-      create_table :active_storage_attachments do |t|
-        t.string :name, null: false
-        t.references :record, null: false, polymorphic: true, index: false
-        t.references :blob, null: false
-
-        t.datetime :created_at, null: false
-
-        t.index [:record_type, :record_id, :name, :blob_id],
-          name: 'index_active_storage_attachments_uniqueness', unique: true
-
-        # The original rails migration has a foreign key.
-        # Since this messes up the clearing of the database, it's removed here.
-        # t.foreign_key :active_storage_blobs, column: :blob_id
-      end
-    end
-
     describe 'have_one_attached' do
       describe '#description' do
         it 'returns the message with the name of the association' do