debian-mirror-gitlab/spec/lib/gitlab/database/bulk_update_spec.rb
2021-11-18 22:05:49 +05:30

128 lines
3.4 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::BulkUpdate do
describe 'error states' do
let(:columns) { %i[title] }
let_it_be(:mapping) do
create_default(:user)
create_default(:project)
i_a, i_b = create_list(:issue, 2)
{
i_a => { title: 'Issue a' },
i_b => { title: 'Issue b' }
}
end
it 'does not raise errors on valid inputs' do
expect { described_class.execute(columns, mapping) }.not_to raise_error
end
it 'expects a non-empty list of column names' do
expect { described_class.execute([], mapping) }.to raise_error(ArgumentError)
end
it 'expects all columns to be symbols' do
expect { described_class.execute([1], mapping) }.to raise_error(ArgumentError)
end
it 'expects all columns to be valid columns on the tables' do
expect { described_class.execute([:foo], mapping) }.to raise_error(ArgumentError)
end
it 'refuses to set ID' do
expect { described_class.execute([:id], mapping) }.to raise_error(ArgumentError)
end
it 'expects a non-empty mapping' do
expect { described_class.execute(columns, []) }.to raise_error(ArgumentError)
end
it 'expects all map values to be Hash instances' do
bad_map = mapping.merge(build(:issue) => 2)
expect { described_class.execute(columns, bad_map) }.to raise_error(ArgumentError)
end
end
it 'is possible to update all objects in a single query' do
users = create_list(:user, 3)
mapping = users.zip(%w[foo bar baz]).to_h do |u, name|
[u, { username: name, admin: true }]
end
expect do
described_class.execute(%i[username admin], mapping)
end.not_to exceed_query_limit(1)
# We have optimistically updated the values
expect(users).to all(be_admin)
expect(users.map(&:username)).to eq(%w[foo bar baz])
users.each(&:reset)
# The values are correct on reset
expect(users).to all(be_admin)
expect(users.map(&:username)).to eq(%w[foo bar baz])
end
it 'is possible to update heterogeneous sets' do
create_default(:user)
create_default(:project)
mr_a = create(:merge_request)
i_a, i_b = create_list(:issue, 2)
mapping = {
mr_a => { title: 'MR a' },
i_a => { title: 'Issue a' },
i_b => { title: 'Issue b' }
}
expect do
described_class.execute(%i[title], mapping)
end.not_to exceed_query_limit(2)
expect([mr_a, i_a, i_b].map { |x| x.reset.title })
.to eq(['MR a', 'Issue a', 'Issue b'])
end
context 'validates prepared_statements support', :reestablished_active_record_base do
using RSpec::Parameterized::TableSyntax
where(:prepared_statements) do
[false, true]
end
before do
configuration_hash = ActiveRecord::Base.connection_db_config.configuration_hash
ActiveRecord::Base.establish_connection(
configuration_hash.merge(prepared_statements: prepared_statements)
)
end
with_them do
it 'sets multiple values' do
create_default(:user)
create_default(:project)
i_a, i_b = create_list(:issue, 2)
mapping = {
i_a => { title: 'Issue a' },
i_b => { title: 'Issue b' }
}
described_class.execute(%i[title], mapping)
expect([i_a, i_b].map { |x| x.reset.title })
.to eq(['Issue a', 'Issue b'])
end
end
end
end