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require "cases/helper"
module ActiveRecord
module ConnectionAdapters
class MergeAndResolveDefaultUrlConfigTest < ActiveRecord::TestCase
def klass
ActiveRecord::ConnectionHandling::MergeAndResolveDefaultUrlConfig
end
def setup
@previous_database_url = ENV.delete("DATABASE_URL")
end
def teardown
ENV["DATABASE_URL"] = @previous_database_url
end
def test_string_connection
config = { "production" => "postgres://localhost/foo" }
actual = klass.new(config).resolve
expected = { "production" =>
{ "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost"
}
}
assert_equal expected, actual
end
def test_url_sub_key
config = { "production" => { "url" => "postgres://localhost/foo" } }
actual = klass.new(config).resolve
expected = { "production" =>
{ "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost"
}
}
assert_equal expected, actual
end
def test_hash
config = { "production" => { "adapter" => "postgres", "database" => "foo" } }
actual = klass.new(config).resolve
assert_equal config, actual
end
def test_blank
config = {}
actual = klass.new(config).resolve
assert_equal config, actual
end
def test_blank_with_database_url
ENV['DATABASE_URL'] = "postgres://localhost/foo"
config = {}
actual = klass.new(config).resolve
expected = { "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost" }
assert_equal expected, actual["production"]
assert_equal expected, actual["development"]
assert_equal expected, actual["test"]
assert_equal nil, actual[:production]
assert_equal nil, actual[:development]
assert_equal nil, actual[:test]
end
def test_sting_with_database_url
ENV['DATABASE_URL'] = "NOT-POSTGRES://localhost/NOT_FOO"
config = { "production" => "postgres://localhost/foo" }
actual = klass.new(config).resolve
expected = { "production" =>
{ "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost"
}
}
assert_equal expected, actual
end
def test_url_sub_key_with_database_url
ENV['DATABASE_URL'] = "NOT-POSTGRES://localhost/NOT_FOO"
config = { "production" => { "url" => "postgres://localhost/foo" } }
actual = klass.new(config).resolve
expected = { "production" =>
{ "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost"
}
}
assert_equal expected, actual
end
def test_merge_no_conflicts_with_database_url
ENV['DATABASE_URL'] = "postgres://localhost/foo"
config = {"production" => { "pool" => "5" } }
actual = klass.new(config).resolve
expected = { "production" =>
{ "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost",
"pool" => "5"
}
}
assert_equal expected, actual
end
def test_merge_conflicts_with_database_url
ENV['DATABASE_URL'] = "postgres://localhost/foo"
config = {"production" => { "adapter" => "NOT-POSTGRES", "database" => "NOT-FOO", "pool" => "5" } }
actual = klass.new(config).resolve
expected = { "production" =>
{ "adapter" => "postgresql",
"database" => "foo",
"host" => "localhost",
"pool" => "5"
}
}
assert_equal expected, actual
end
end
class ConnectionHandlerTest < ActiveRecord::TestCase
def setup
@klass = Class.new(Base) { def self.name; 'klass'; end }
@subklass = Class.new(@klass) { def self.name; 'subklass'; end }
@handler = ConnectionHandler.new
@pool = @handler.establish_connection(@klass, Base.connection_pool.spec)
end
def test_retrieve_connection
assert @handler.retrieve_connection(@klass)
end
def test_active_connections?
assert !@handler.active_connections?
assert @handler.retrieve_connection(@klass)
assert @handler.active_connections?
@handler.clear_active_connections!
assert !@handler.active_connections?
end
def test_retrieve_connection_pool_with_ar_base
assert_nil @handler.retrieve_connection_pool(ActiveRecord::Base)
end
def test_retrieve_connection_pool
assert_not_nil @handler.retrieve_connection_pool(@klass)
end
def test_retrieve_connection_pool_uses_superclass_when_no_subclass_connection
assert_not_nil @handler.retrieve_connection_pool(@subklass)
end
def test_retrieve_connection_pool_uses_superclass_pool_after_subclass_establish_and_remove
sub_pool = @handler.establish_connection(@subklass, Base.connection_pool.spec)
assert_same sub_pool, @handler.retrieve_connection_pool(@subklass)
@handler.remove_connection @subklass
assert_same @pool, @handler.retrieve_connection_pool(@subklass)
end
def test_connection_pools
assert_deprecated do
assert_equal({ Base.connection_pool.spec => @pool }, @handler.connection_pools)
end
end
end
end
end
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