debian-mirror-gitlab/spec/support/helpers/migrations_helpers.rb

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module MigrationsHelpers
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def active_record_base
ActiveRecord::Base
end
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def table(name)
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Class.new(active_record_base) do
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self.table_name = name
self.inheritance_column = :_type_disabled
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def self.name
table_name.singularize.camelcase
end
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end
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end
def migrations_paths
ActiveRecord::Migrator.migrations_paths
end
def migrations
ActiveRecord::Migrator.migrations(migrations_paths)
end
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def clear_schema_cache!
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active_record_base.connection_pool.connections.each do |conn|
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conn.schema_cache.clear!
end
end
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def foreign_key_exists?(source, target = nil, column: nil)
ActiveRecord::Base.connection.foreign_keys(source).any? do |key|
if column
key.options[:column].to_s == column.to_s
else
key.to_table.to_s == target.to_s
end
end
end
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def reset_column_in_all_models
clear_schema_cache!
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# Reset column information for the most offending classes **after** we
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# migrated the schema up, otherwise, column information could be
# outdated. We have a separate method for this so we can override it in EE.
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active_record_base.descendants.each(&method(:reset_column_information))
end
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def refresh_attribute_methods
# Without this, we get errors because of missing attributes, e.g.
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# super: no superclass method `elasticsearch_indexing' for #<ApplicationSetting:0x00007f85628508d8>
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# attr_encrypted also expects ActiveRecord attribute methods to be
# defined, or it will override the accessors:
# https://gitlab.com/gitlab-org/gitlab-ee/issues/8234#note_113976421
[ApplicationSetting, SystemHook].each do |model|
model.define_attribute_methods
end
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end
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def reset_column_information(klass)
klass.reset_column_information
end
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def previous_migration
migrations.each_cons(2) do |previous, migration|
break previous if migration.name == described_class.name
end
end
def migration_schema_version
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metadata_schema = self.class.metadata[:schema]
if metadata_schema == :latest
migrations.last.version
else
metadata_schema || previous_migration.version
end
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end
def schema_migrate_down!
disable_migrations_output do
ActiveRecord::Migrator.migrate(migrations_paths,
migration_schema_version)
end
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reset_column_in_all_models
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end
def schema_migrate_up!
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reset_column_in_all_models
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disable_migrations_output do
ActiveRecord::Migrator.migrate(migrations_paths)
end
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reset_column_in_all_models
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refresh_attribute_methods
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end
def disable_migrations_output
ActiveRecord::Migration.verbose = false
yield
ensure
ActiveRecord::Migration.verbose = true
end
def migrate!
ActiveRecord::Migrator.up(migrations_paths) do |migration|
migration.name == described_class.name
end
end
end