From 098e4d25f19f2b932841401fdc5e7340876d8ff2 Mon Sep 17 00:00:00 2001
From: Roberto Miranda <rjmaltamar@gmail.com>
Date: Tue, 2 Apr 2019 15:11:09 +0100
Subject: Add test cases for rake db:prepare

---
 railties/test/application/rake/dbs_test.rb       |  9 +++++++++
 railties/test/application/rake/multi_dbs_test.rb | 21 +++++++++++++++++++++
 2 files changed, 30 insertions(+)

(limited to 'railties/test/application')

diff --git a/railties/test/application/rake/dbs_test.rb b/railties/test/application/rake/dbs_test.rb
index a1e237fa7b..ba8de8adc9 100644
--- a/railties/test/application/rake/dbs_test.rb
+++ b/railties/test/application/rake/dbs_test.rb
@@ -553,6 +553,15 @@ module ApplicationTests
           end
         end
       end
+
+      test "db:prepare setup the database" do
+        Dir.chdir(app_path) do
+          rails "generate", "model", "book", "title:string"
+          output = rails("db:prepare")
+
+          assert_match /CreateBooks: migrated/, output
+        end
+      end
     end
   end
 end
diff --git a/railties/test/application/rake/multi_dbs_test.rb b/railties/test/application/rake/multi_dbs_test.rb
index d676e7486e..2c7cfbc0c6 100644
--- a/railties/test/application/rake/multi_dbs_test.rb
+++ b/railties/test/application/rake/multi_dbs_test.rb
@@ -137,6 +137,21 @@ module ApplicationTests
         end
       end
 
+      def db_prepare
+        Dir.chdir(app_path) do
+          generate_models_for_animals
+          output = rails("db:prepare")
+
+          ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+            if db_config.spec_name == "primary"
+              assert_match(/CreateBooks: migrated/, output)
+            else
+              assert_match(/CreateDogs: migrated/, output)
+            end
+          end
+        end
+      end
+
       def write_models_for_animals
         # make a directory for the animals migration
         FileUtils.mkdir_p("#{app_path}/db/animals_migrate")
@@ -175,6 +190,7 @@ module ApplicationTests
 
       test "db:create and db:drop works on all databases for env" do
         require "#{app_path}/config/environment"
+
         ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
           db_create_and_drop db_config.spec_name, db_config.config["database"]
         end
@@ -226,6 +242,11 @@ module ApplicationTests
         require "#{app_path}/config/environment"
         db_migrate_and_schema_cache_dump_and_schema_cache_clear
       end
+
+      test "db:prepare works on all databases" do
+        require "#{app_path}/config/environment"
+        db_prepare
+      end
     end
   end
 end
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