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-rw-r--r--activerecord/test/cases/connection_adapters/connection_handler_test.rb127
1 files changed, 127 insertions, 0 deletions
diff --git a/activerecord/test/cases/connection_adapters/connection_handler_test.rb b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
index 3e33b30144..3365ad1294 100644
--- a/activerecord/test/cases/connection_adapters/connection_handler_test.rb
+++ b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
@@ -2,6 +2,133 @@ 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 if @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 }