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-rw-r--r--activerecord/test/cases/connection_adapters/connection_handler_test.rb5
-rw-r--r--activerecord/test/cases/connection_adapters/connection_handlers_multi_db_test.rb108
-rw-r--r--activerecord/test/cases/connection_adapters/merge_and_resolve_default_url_config_test.rb18
-rw-r--r--activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb4
-rw-r--r--activerecord/test/cases/connection_adapters/schema_cache_test.rb85
5 files changed, 205 insertions, 15 deletions
diff --git a/activerecord/test/cases/connection_adapters/connection_handler_test.rb b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
index 51d0cc3d12..6282759a10 100644
--- a/activerecord/test/cases/connection_adapters/connection_handler_test.rb
+++ b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
@@ -382,6 +382,11 @@ module ActiveRecord
assert_not_nil ActiveRecord::Base.connection
assert_same klass2.connection, ActiveRecord::Base.connection
end
+
+ def test_default_handlers_are_writing_and_reading
+ assert_equal :writing, ActiveRecord::Base.writing_role
+ assert_equal :reading, ActiveRecord::Base.reading_role
+ end
end
end
end
diff --git a/activerecord/test/cases/connection_adapters/connection_handlers_multi_db_test.rb b/activerecord/test/cases/connection_adapters/connection_handlers_multi_db_test.rb
index 393b577c1d..d3184f39f5 100644
--- a/activerecord/test/cases/connection_adapters/connection_handlers_multi_db_test.rb
+++ b/activerecord/test/cases/connection_adapters/connection_handlers_multi_db_test.rb
@@ -108,11 +108,17 @@ module ActiveRecord
ActiveRecord::Base.connected_to(role: :reading) do
@ro_handler = ActiveRecord::Base.connection_handler
assert_equal ActiveRecord::Base.connection_handler, ActiveRecord::Base.connection_handlers[:reading]
+ assert_equal :reading, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :reading)
+ assert_not ActiveRecord::Base.connected_to?(role: :writing)
end
ActiveRecord::Base.connected_to(role: :writing) do
assert_equal ActiveRecord::Base.connection_handler, ActiveRecord::Base.connection_handlers[:writing]
assert_not_equal @ro_handler, ActiveRecord::Base.connection_handler
+ assert_equal :writing, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :writing)
+ assert_not ActiveRecord::Base.connected_to?(role: :reading)
end
ensure
ActiveRecord::Base.configurations = @prev_configs
@@ -120,11 +126,38 @@ module ActiveRecord
ENV["RAILS_ENV"] = previous_env
end
+ def test_establish_connection_using_3_levels_config_with_non_default_handlers
+ previous_env, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], "default_env"
+
+ config = {
+ "default_env" => {
+ "readonly" => { "adapter" => "sqlite3", "database" => "db/readonly.sqlite3" },
+ "primary" => { "adapter" => "sqlite3", "database" => "db/primary.sqlite3" }
+ }
+ }
+ @prev_configs, ActiveRecord::Base.configurations = ActiveRecord::Base.configurations, config
+
+ ActiveRecord::Base.connects_to(database: { default: :primary, readonly: :readonly })
+
+ assert_not_nil pool = ActiveRecord::Base.connection_handlers[:default].retrieve_connection_pool("primary")
+ assert_equal "db/primary.sqlite3", pool.spec.config[:database]
+
+ assert_not_nil pool = ActiveRecord::Base.connection_handlers[:readonly].retrieve_connection_pool("primary")
+ assert_equal "db/readonly.sqlite3", pool.spec.config[:database]
+ ensure
+ ActiveRecord::Base.configurations = @prev_configs
+ ActiveRecord::Base.establish_connection(:arunit)
+ ENV["RAILS_ENV"] = previous_env
+ end
+
def test_switching_connections_with_database_url
previous_env, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], "default_env"
previous_url, ENV["DATABASE_URL"] = ENV["DATABASE_URL"], "postgres://localhost/foo"
ActiveRecord::Base.connected_to(database: { writing: "postgres://localhost/bar" }) do
+ assert_equal :writing, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :writing)
+
handler = ActiveRecord::Base.connection_handler
assert_equal handler, ActiveRecord::Base.connection_handlers[:writing]
@@ -142,6 +175,9 @@ module ActiveRecord
config = { adapter: "sqlite3", database: "db/readonly.sqlite3" }
ActiveRecord::Base.connected_to(database: { writing: config }) do
+ assert_equal :writing, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :writing)
+
handler = ActiveRecord::Base.connection_handler
assert_equal handler, ActiveRecord::Base.connection_handlers[:writing]
@@ -167,23 +203,53 @@ module ActiveRecord
assert_equal "must provide a `database` or a `role`.", error.message
end
- def test_switching_connections_with_database_symbol
+ def test_switching_connections_with_database_symbol_uses_default_role
+ previous_env, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], "default_env"
+
+ config = {
+ "default_env" => {
+ "animals" => { adapter: "sqlite3", database: "db/animals.sqlite3" },
+ "primary" => { adapter: "sqlite3", database: "db/primary.sqlite3" }
+ }
+ }
+ @prev_configs, ActiveRecord::Base.configurations = ActiveRecord::Base.configurations, config
+
+ ActiveRecord::Base.connected_to(database: :animals) do
+ assert_equal :writing, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :writing)
+
+ handler = ActiveRecord::Base.connection_handler
+ assert_equal handler, ActiveRecord::Base.connection_handlers[:writing]
+
+ assert_not_nil pool = handler.retrieve_connection_pool("primary")
+ assert_equal(config["default_env"]["animals"], pool.spec.config)
+ end
+ ensure
+ ActiveRecord::Base.configurations = @prev_configs
+ ActiveRecord::Base.establish_connection(:arunit)
+ ENV["RAILS_ENV"] = previous_env
+ end
+
+ def test_switching_connections_with_database_hash_uses_passed_role_and_database
previous_env, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], "default_env"
config = {
"default_env" => {
- "readonly" => { adapter: "sqlite3", database: "db/readonly.sqlite3" },
- "primary" => { adapter: "sqlite3", database: "db/primary.sqlite3" }
+ "animals" => { adapter: "sqlite3", database: "db/animals.sqlite3" },
+ "primary" => { adapter: "sqlite3", database: "db/primary.sqlite3" }
}
}
@prev_configs, ActiveRecord::Base.configurations = ActiveRecord::Base.configurations, config
- ActiveRecord::Base.connected_to(database: :readonly) do
+ ActiveRecord::Base.connected_to(database: { writing: :primary }) do
+ assert_equal :writing, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :writing)
+
handler = ActiveRecord::Base.connection_handler
- assert_equal handler, ActiveRecord::Base.connection_handlers[:readonly]
+ assert_equal handler, ActiveRecord::Base.connection_handlers[:writing]
assert_not_nil pool = handler.retrieve_connection_pool("primary")
- assert_equal(config["default_env"]["readonly"], pool.spec.config)
+ assert_equal(config["default_env"]["primary"], pool.spec.config)
end
ensure
ActiveRecord::Base.configurations = @prev_configs
@@ -201,6 +267,8 @@ module ActiveRecord
assert_equal 1, ActiveRecord::Base.connection_handlers.size
assert_equal ActiveRecord::Base.connection_handler, ActiveRecord::Base.connection_handlers[:writing]
+ assert_equal :writing, ActiveRecord::Base.current_role
+ assert ActiveRecord::Base.connected_to?(role: :writing)
ensure
ActiveRecord::Base.configurations = @prev_configs
ActiveRecord::Base.establish_connection(:arunit)
@@ -317,6 +385,34 @@ module ActiveRecord
ensure
ActiveRecord::Base.connection_handlers = original_handlers
end
+
+ def test_calling_connected_to_on_a_non_existent_handler_raises
+ error = assert_raises ActiveRecord::ConnectionNotEstablished do
+ ActiveRecord::Base.connected_to(role: :reading) do
+ Person.first
+ end
+ end
+
+ assert_equal "No connection pool with 'primary' found for the 'reading' role.", error.message
+ end
+
+ def test_default_handlers_are_writing_and_reading
+ assert_equal :writing, ActiveRecord::Base.writing_role
+ assert_equal :reading, ActiveRecord::Base.reading_role
+ end
+
+ def test_an_application_can_change_the_default_handlers
+ old_writing = ActiveRecord::Base.writing_role
+ old_reading = ActiveRecord::Base.reading_role
+ ActiveRecord::Base.writing_role = :default
+ ActiveRecord::Base.reading_role = :readonly
+
+ assert_equal :default, ActiveRecord::Base.writing_role
+ assert_equal :readonly, ActiveRecord::Base.reading_role
+ ensure
+ ActiveRecord::Base.writing_role = old_writing
+ ActiveRecord::Base.reading_role = old_reading
+ end
end
end
end
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
index 06c1c51724..515bf5df06 100644
--- 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
@@ -46,6 +46,14 @@ module ActiveRecord
assert_equal expected, actual
end
+ def test_resolver_with_nil_database_url_and_current_env
+ ENV["RAILS_ENV"] = "foo"
+ config = { "foo" => { "adapter" => "postgres", "url" => ENV["DATABASE_URL"] } }
+ actual = resolve_spec(:foo, config)
+ expected = { "adapter" => "postgres", "url" => nil, "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"
@@ -64,6 +72,16 @@ module ActiveRecord
assert_equal expected, actual
end
+ def test_resolver_with_database_uri_and_multiple_envs
+ ENV["DATABASE_URL"] = "postgres://localhost"
+ ENV["RAILS_ENV"] = "test"
+
+ config = { "production" => { "adapter" => "postgresql", "database" => "foo_prod" }, "test" => { "adapter" => "postgresql", "database" => "foo_test" } }
+ actual = resolve_spec(:test, config)
+ expected = { "adapter" => "postgresql", "database" => "foo_test", "host" => "localhost", "name" => "test" }
+ 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" } }
diff --git a/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb b/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb
index 02e76ce146..38331aa641 100644
--- a/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb
+++ b/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb
@@ -27,8 +27,12 @@ if current_adapter?(:Mysql2Adapter)
def test_string_types
assert_lookup_type :string, "enum('one', 'two', 'three')"
assert_lookup_type :string, "ENUM('one', 'two', 'three')"
+ assert_lookup_type :string, "enum ('one', 'two', 'three')"
+ assert_lookup_type :string, "ENUM ('one', 'two', 'three')"
assert_lookup_type :string, "set('one', 'two', 'three')"
assert_lookup_type :string, "SET('one', 'two', 'three')"
+ assert_lookup_type :string, "set ('one', 'two', 'three')"
+ assert_lookup_type :string, "SET ('one', 'two', 'three')"
end
def test_set_type_with_value_matching_other_type
diff --git a/activerecord/test/cases/connection_adapters/schema_cache_test.rb b/activerecord/test/cases/connection_adapters/schema_cache_test.rb
index 67496381d1..28e232b88f 100644
--- a/activerecord/test/cases/connection_adapters/schema_cache_test.rb
+++ b/activerecord/test/cases/connection_adapters/schema_cache_test.rb
@@ -6,8 +6,9 @@ module ActiveRecord
module ConnectionAdapters
class SchemaCacheTest < ActiveRecord::TestCase
def setup
- connection = ActiveRecord::Base.connection
- @cache = SchemaCache.new connection
+ @connection = ActiveRecord::Base.connection
+ @cache = SchemaCache.new @connection
+ @database_version = @connection.get_database_version
end
def test_primary_key
@@ -19,6 +20,7 @@ module ActiveRecord
@cache.columns_hash("posts")
@cache.data_sources("posts")
@cache.primary_keys("posts")
+ @cache.indexes("posts")
new_cache = YAML.load(YAML.dump(@cache))
assert_no_queries do
@@ -26,19 +28,47 @@ module ActiveRecord
assert_equal 12, new_cache.columns_hash("posts").size
assert new_cache.data_sources("posts")
assert_equal "id", new_cache.primary_keys("posts")
+ assert_equal 1, new_cache.indexes("posts").size
+ assert_equal @database_version.to_s, new_cache.database_version.to_s
end
end
def test_yaml_loads_5_1_dump
- body = File.open(schema_dump_path).read
- cache = YAML.load(body)
+ @cache = YAML.load(File.read(schema_dump_path))
assert_no_queries do
- assert_equal 11, cache.columns("posts").size
- assert_equal 11, cache.columns_hash("posts").size
- assert cache.data_sources("posts")
- assert_equal "id", cache.primary_keys("posts")
+ assert_equal 11, @cache.columns("posts").size
+ assert_equal 11, @cache.columns_hash("posts").size
+ assert @cache.data_sources("posts")
+ assert_equal "id", @cache.primary_keys("posts")
+ end
+ end
+
+ def test_yaml_loads_5_1_dump_without_indexes_still_queries_for_indexes
+ @cache = YAML.load(File.read(schema_dump_path))
+
+ # Simulate assignment in railtie after loading the cache.
+ old_cache, @connection.schema_cache = @connection.schema_cache, @cache
+
+ assert_queries :any, ignore_none: true do
+ assert_equal 1, @cache.indexes("posts").size
end
+ ensure
+ @connection.schema_cache = old_cache
+ end
+
+ def test_yaml_loads_5_1_dump_without_database_version_still_queries_for_database_version
+ @cache = YAML.load(File.read(schema_dump_path))
+
+ # Simulate assignment in railtie after loading the cache.
+ old_cache, @connection.schema_cache = @connection.schema_cache, @cache
+
+ # We can't verify queries get executed because the database version gets
+ # cached in both MySQL and PostgreSQL outside of the schema cache.
+ assert_nil @cache.instance_variable_get(:@database_version)
+ assert_equal @database_version.to_s, @cache.database_version.to_s
+ ensure
+ @connection.schema_cache = old_cache
end
def test_primary_key_for_non_existent_table
@@ -55,15 +85,34 @@ module ActiveRecord
assert_equal columns_hash, @cache.columns_hash("posts")
end
+ def test_caches_indexes
+ indexes = @cache.indexes("posts")
+ assert_equal indexes, @cache.indexes("posts")
+ end
+
+ def test_caches_database_version
+ @cache.database_version # cache database_version
+
+ assert_no_queries do
+ assert_equal @database_version.to_s, @cache.database_version.to_s
+
+ if current_adapter?(:Mysql2Adapter)
+ assert_not_nil @cache.database_version.full_version_string
+ end
+ end
+ end
+
def test_clearing
@cache.columns("posts")
@cache.columns_hash("posts")
@cache.data_sources("posts")
@cache.primary_keys("posts")
+ @cache.indexes("posts")
@cache.clear!
assert_equal 0, @cache.size
+ assert_nil @cache.instance_variable_get(:@database_version)
end
def test_dump_and_load
@@ -71,6 +120,7 @@ module ActiveRecord
@cache.columns_hash("posts")
@cache.data_sources("posts")
@cache.primary_keys("posts")
+ @cache.indexes("posts")
@cache = Marshal.load(Marshal.dump(@cache))
@@ -79,6 +129,8 @@ module ActiveRecord
assert_equal 12, @cache.columns_hash("posts").size
assert @cache.data_sources("posts")
assert_equal "id", @cache.primary_keys("posts")
+ assert_equal 1, @cache.indexes("posts").size
+ assert_equal @database_version.to_s, @cache.database_version.to_s
end
end
@@ -91,8 +143,23 @@ module ActiveRecord
@cache.clear_data_source_cache!("posts")
end
- private
+ test "#columns_hash? is populated by #columns_hash" do
+ assert_not @cache.columns_hash?("posts")
+
+ @cache.columns_hash("posts")
+ assert @cache.columns_hash?("posts")
+ end
+
+ test "#columns_hash? is not populated by #data_source_exists?" do
+ assert_not @cache.columns_hash?("posts")
+
+ @cache.data_source_exists?("posts")
+
+ assert_not @cache.columns_hash?("posts")
+ end
+
+ private
def schema_dump_path
"test/assets/schema_dump_5_1.yml"
end