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-rw-r--r--activerecord/test/cases/connection_adapters/merge_and_resolve_default_url_config_test.rb260
1 files changed, 260 insertions, 0 deletions
diff --git a/activerecord/test/cases/connection_adapters/merge_and_resolve_default_url_config_test.rb b/activerecord/test/cases/connection_adapters/merge_and_resolve_default_url_config_test.rb
new file mode 100644
index 0000000000..06c1c51724
--- /dev/null
+++ b/activerecord/test/cases/connection_adapters/merge_and_resolve_default_url_config_test.rb
@@ -0,0 +1,260 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+module ActiveRecord
+ module ConnectionAdapters
+ class MergeAndResolveDefaultUrlConfigTest < ActiveRecord::TestCase
+ def setup
+ @previous_database_url = ENV.delete("DATABASE_URL")
+ @previous_rack_env = ENV.delete("RACK_ENV")
+ @previous_rails_env = ENV.delete("RAILS_ENV")
+ end
+
+ teardown do
+ ENV["DATABASE_URL"] = @previous_database_url
+ ENV["RACK_ENV"] = @previous_rack_env
+ ENV["RAILS_ENV"] = @previous_rails_env
+ end
+
+ def resolve_config(config)
+ configs = ActiveRecord::DatabaseConfigurations.new(config)
+ configs.to_h
+ end
+
+ def resolve_spec(spec, config)
+ configs = ActiveRecord::DatabaseConfigurations.new(config)
+ resolver = ConnectionAdapters::ConnectionSpecification::Resolver.new(configs)
+ resolver.resolve(spec, spec)
+ end
+
+ def test_resolver_with_database_uri_and_current_env_symbol_key
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+ config = { "not_production" => { "adapter" => "not_postgres", "database" => "not_foo" } }
+ actual = resolve_spec(:default_env, config)
+ expected = { "adapter" => "postgresql", "database" => "foo", "host" => "localhost", "name" => "default_env" }
+ assert_equal expected, actual
+ end
+
+ def test_resolver_with_database_uri_and_current_env_symbol_key_and_rails_env
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+ ENV["RAILS_ENV"] = "foo"
+
+ config = { "not_production" => { "adapter" => "not_postgres", "database" => "not_foo" } }
+ actual = resolve_spec(:foo, config)
+ expected = { "adapter" => "postgresql", "database" => "foo", "host" => "localhost", "name" => "foo" }
+ assert_equal expected, actual
+ end
+
+ def test_resolver_with_database_uri_and_current_env_symbol_key_and_rack_env
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+ ENV["RACK_ENV"] = "foo"
+
+ config = { "not_production" => { "adapter" => "not_postgres", "database" => "not_foo" } }
+ actual = resolve_spec(:foo, config)
+ expected = { "adapter" => "postgresql", "database" => "foo", "host" => "localhost", "name" => "foo" }
+ assert_equal expected, actual
+ end
+
+ def test_resolver_with_database_uri_and_known_key
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+ config = { "production" => { "adapter" => "not_postgres", "database" => "not_foo", "host" => "localhost" } }
+ actual = resolve_spec(:production, config)
+ expected = { "adapter" => "not_postgres", "database" => "not_foo", "host" => "localhost", "name" => "production" }
+ assert_equal expected, actual
+ end
+
+ def test_resolver_with_database_uri_and_unknown_symbol_key
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+ config = { "not_production" => { "adapter" => "not_postgres", "database" => "not_foo" } }
+ assert_raises AdapterNotSpecified do
+ resolve_spec(:production, config)
+ end
+ end
+
+ def test_resolver_with_database_uri_and_supplied_url
+ ENV["DATABASE_URL"] = "not-postgres://not-localhost/not_foo"
+ config = { "production" => { "adapter" => "also_not_postgres", "database" => "also_not_foo" } }
+ actual = resolve_spec("postgres://localhost/foo", config)
+ expected = { "adapter" => "postgresql", "database" => "foo", "host" => "localhost" }
+ assert_equal expected, actual
+ end
+
+ def test_jdbc_url
+ config = { "production" => { "url" => "jdbc:postgres://localhost/foo" } }
+ actual = resolve_config(config)
+ assert_equal config, actual
+ end
+
+ def test_environment_does_not_exist_in_config_url_does_exist
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+ config = { "not_default_env" => { "adapter" => "not_postgres", "database" => "not_foo" } }
+ actual = resolve_config(config)
+ expect_prod = { "adapter" => "postgresql", "database" => "foo", "host" => "localhost" }
+ assert_equal expect_prod, actual["default_env"]
+ end
+
+ def test_url_with_hyphenated_scheme
+ ENV["DATABASE_URL"] = "ibm-db://localhost/foo"
+ config = { "default_env" => { "adapter" => "not_postgres", "database" => "not_foo", "host" => "localhost" } }
+ actual = resolve_spec(:default_env, config)
+ expected = { "adapter" => "ibm_db", "database" => "foo", "host" => "localhost", "name" => "default_env" }
+ assert_equal expected, actual
+ end
+
+ def test_string_connection
+ config = { "default_env" => "postgres://localhost/foo" }
+ actual = resolve_config(config)
+ expected = { "default_env" =>
+ { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "localhost"
+ }
+ }
+ assert_equal expected, actual
+ end
+
+ def test_url_sub_key
+ config = { "default_env" => { "url" => "postgres://localhost/foo" } }
+ actual = resolve_config(config)
+ expected = { "default_env" =>
+ { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "localhost"
+ }
+ }
+ assert_equal expected, actual
+ end
+
+ def test_hash
+ config = { "production" => { "adapter" => "postgres", "database" => "foo" } }
+ actual = resolve_config(config)
+ assert_equal config, actual
+ end
+
+ def test_blank
+ config = {}
+ actual = resolve_config(config)
+ assert_equal config, actual
+ end
+
+ def test_blank_with_database_url
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+
+ config = {}
+ actual = resolve_config(config)
+ expected = { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "localhost" }
+ assert_equal expected, actual["default_env"]
+ assert_nil actual["production"]
+ assert_nil actual["development"]
+ assert_nil actual["test"]
+ assert_nil actual[:default_env]
+ assert_nil actual[:production]
+ assert_nil actual[:development]
+ assert_nil actual[:test]
+ end
+
+ def test_blank_with_database_url_with_rails_env
+ ENV["RAILS_ENV"] = "not_production"
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+
+ config = {}
+ actual = resolve_config(config)
+ expected = { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "localhost" }
+
+ assert_equal expected, actual["not_production"]
+ assert_nil actual["production"]
+ assert_nil actual["default_env"]
+ assert_nil actual["development"]
+ assert_nil actual["test"]
+ assert_nil actual[:default_env]
+ assert_nil actual[:not_production]
+ assert_nil actual[:production]
+ assert_nil actual[:development]
+ assert_nil actual[:test]
+ end
+
+ def test_blank_with_database_url_with_rack_env
+ ENV["RACK_ENV"] = "not_production"
+ ENV["DATABASE_URL"] = "postgres://localhost/foo"
+
+ config = {}
+ actual = resolve_config(config)
+ expected = { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "localhost" }
+
+ assert_equal expected, actual["not_production"]
+ assert_nil actual["production"]
+ assert_nil actual["default_env"]
+ assert_nil actual["development"]
+ assert_nil actual["test"]
+ assert_nil actual[:default_env]
+ assert_nil actual[:not_production]
+ assert_nil actual[:production]
+ assert_nil actual[:development]
+ assert_nil actual[:test]
+ end
+
+ def test_database_url_with_ipv6_host_and_port
+ ENV["DATABASE_URL"] = "postgres://[::1]:5454/foo"
+
+ config = {}
+ actual = resolve_config(config)
+ expected = { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "::1",
+ "port" => 5454 }
+ assert_equal expected, actual["default_env"]
+ end
+
+ def test_url_sub_key_with_database_url
+ ENV["DATABASE_URL"] = "NOT-POSTGRES://localhost/NOT_FOO"
+
+ config = { "default_env" => { "url" => "postgres://localhost/foo" } }
+ actual = resolve_config(config)
+ expected = { "default_env" =>
+ { "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 = { "default_env" => { "pool" => "5" } }
+ actual = resolve_config(config)
+ expected = { "default_env" =>
+ { "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 = { "default_env" => { "adapter" => "NOT-POSTGRES", "database" => "NOT-FOO", "pool" => "5" } }
+ actual = resolve_config(config)
+ expected = { "default_env" =>
+ { "adapter" => "postgresql",
+ "database" => "foo",
+ "host" => "localhost",
+ "pool" => "5"
+ }
+ }
+ assert_equal expected, actual
+ end
+ end
+ end
+end
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