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# frozen_string_literal: true
require "generators/generators_test_helper"
require "rails/generators/rails/db/system/change/change_generator"
module Rails
module Generators
module Db
module System
class ChangeGeneratorTest < Rails::Generators::TestCase
include GeneratorsTestHelper
setup do
copy_gemfile(
GemfileEntry.new("sqlite3", nil, "Use sqlite3 as the database for Active Record")
)
end
test "change to invalid database" do
output = capture(:stderr) do
run_generator ["--to", "invalid-db"]
end
assert_match <<~MSG.squish, output
Invalid value for --to option.
Supported preconfigurations are:
mysql, postgresql, sqlite3, oracle, frontbase,
ibm_db, sqlserver, jdbcmysql, jdbcsqlite3,
jdbcpostgresql, jdbc.
MSG
end
test "change to postgresql" do
run_generator ["--to", "postgresql"]
assert_file("config/database.yml") do |content|
assert_match "adapter: postgresql", content
assert_match "database: test_app", content
end
assert_file("Gemfile") do |content|
assert_match "# Use pg as the database for Active Record", content
assert_match "gem 'pg'", content
end
end
test "change to mysql" do
run_generator ["--to", "mysql"]
assert_file("config/database.yml") do |content|
assert_match "adapter: mysql2", content
assert_match "database: test_app", content
end
assert_file("Gemfile") do |content|
assert_match "# Use mysql2 as the database for Active Record", content
assert_match "gem 'mysql2'", content
end
end
test "change to sqlite3" do
run_generator ["--to", "sqlite3"]
assert_file("config/database.yml") do |content|
assert_match "adapter: sqlite3", content
assert_match "db/development.sqlite3", content
end
assert_file("Gemfile") do |content|
assert_match "# Use sqlite3 as the database for Active Record", content
assert_match "gem 'sqlite3'", content
end
end
end
end
end
end
end
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