diff options
Diffstat (limited to 'spec/rubocop')
3 files changed, 229 insertions, 44 deletions
diff --git a/spec/rubocop/cop/line_break_after_guard_clauses_spec.rb b/spec/rubocop/cop/line_break_after_guard_clauses_spec.rb new file mode 100644 index 00000000000..8899dc85384 --- /dev/null +++ b/spec/rubocop/cop/line_break_after_guard_clauses_spec.rb @@ -0,0 +1,160 @@ +require 'spec_helper' +require 'rubocop' +require 'rubocop/rspec/support' +require_relative '../../../rubocop/cop/line_break_after_guard_clauses' + +describe RuboCop::Cop::LineBreakAfterGuardClauses do + include CopHelper + + subject(:cop) { described_class.new } + + shared_examples 'examples with guard clause' do |title| + %w[if unless].each do |conditional| + it "flags violation for #{title} #{conditional} without line breaks" do + source = <<~RUBY + #{title} #{conditional} condition + do_stuff + RUBY + inspect_source(cop, source) + + expect(cop.offenses.size).to eq(1) + offense = cop.offenses.first + + expect(offense.line).to eq(1) + expect(cop.highlights).to eq(["#{title} #{conditional} condition"]) + expect(offense.message).to eq('Add a line break after guard clauses') + end + + it "doesn't flag violation for #{title} #{conditional} with line break" do + source = <<~RUBY + #{title} #{conditional} condition + + do_stuff + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} on multiple lines without line break" do + source = <<~RUBY + #{conditional} condition + #{title} + end + do_stuff + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by end keyword" do + source = <<~RUBY + def test + #{title} #{conditional} condition + end + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by elsif keyword" do + source = <<~RUBY + if model + #{title} #{conditional} condition + elsif + do_something + end + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by else keyword" do + source = <<~RUBY + if model + #{title} #{conditional} condition + else + do_something + end + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by when keyword" do + source = <<~RUBY + case model + when condition_a + #{title} #{conditional} condition + when condition_b + do_something + end + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by rescue keyword" do + source = <<~RUBY + begin + #{title} #{conditional} condition + rescue StandardError + do_something + end + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by ensure keyword" do + source = <<~RUBY + def foo + #{title} #{conditional} condition + ensure + do_something + end + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "doesn't flag violation for #{title} #{conditional} without line breaks when followed by another guard clause" do + source = <<~RUBY + #{title} #{conditional} condition + #{title} #{conditional} condition + + do_stuff + RUBY + inspect_source(cop, source) + + expect(cop.offenses).to be_empty + end + + it "autocorrects #{title} #{conditional} guard clauses without line break" do + source = <<~RUBY + #{title} #{conditional} condition + do_stuff + RUBY + autocorrected = autocorrect_source(cop, source) + + expected_source = <<~RUBY + #{title} #{conditional} condition + + do_stuff + RUBY + expect(autocorrected).to eql(expected_source) + end + end + end + + %w[return fail raise next break throw].each do |example| + it_behaves_like 'examples with guard clause', example + end +end diff --git a/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb b/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb deleted file mode 100644 index 07cb3fc4a2e..00000000000 --- a/spec/rubocop/cop/migration/add_column_with_default_to_large_table_spec.rb +++ /dev/null @@ -1,44 +0,0 @@ -require 'spec_helper' - -require 'rubocop' -require 'rubocop/rspec/support' - -require_relative '../../../../rubocop/cop/migration/add_column_with_default_to_large_table' - -describe RuboCop::Cop::Migration::AddColumnWithDefaultToLargeTable do - include CopHelper - - subject(:cop) { described_class.new } - - context 'in migration' do - before do - allow(cop).to receive(:in_migration?).and_return(true) - end - - described_class::LARGE_TABLES.each do |table| - it "registers an offense for the #{table} table" do - inspect_source(cop, "add_column_with_default :#{table}, :column, default: true") - - aggregate_failures do - expect(cop.offenses.size).to eq(1) - expect(cop.offenses.map(&:line)).to eq([1]) - end - end - end - - it 'registers no offense for non-blacklisted tables' do - inspect_source(cop, "add_column_with_default :table, :column, default: true") - - expect(cop.offenses).to be_empty - end - end - - context 'outside of migration' do - it 'registers no offense' do - table = described_class::LARGE_TABLES.sample - inspect_source(cop, "add_column_with_default :#{table}, :column, default: true") - - expect(cop.offenses).to be_empty - end - end -end diff --git a/spec/rubocop/cop/migration/update_large_table_spec.rb b/spec/rubocop/cop/migration/update_large_table_spec.rb new file mode 100644 index 00000000000..17b19e139e4 --- /dev/null +++ b/spec/rubocop/cop/migration/update_large_table_spec.rb @@ -0,0 +1,69 @@ +require 'spec_helper' + +require 'rubocop' +require 'rubocop/rspec/support' + +require_relative '../../../../rubocop/cop/migration/update_large_table' + +describe RuboCop::Cop::Migration::UpdateLargeTable do + include CopHelper + + subject(:cop) { described_class.new } + + context 'in migration' do + before do + allow(cop).to receive(:in_migration?).and_return(true) + end + + shared_examples 'large tables' do |update_method| + described_class::LARGE_TABLES.each do |table| + it "registers an offense for the #{table} table" do + inspect_source(cop, "#{update_method} :#{table}, :column, default: true") + + aggregate_failures do + expect(cop.offenses.size).to eq(1) + expect(cop.offenses.map(&:line)).to eq([1]) + end + end + end + end + + context 'for the add_column_with_default method' do + include_examples 'large tables', 'add_column_with_default' + end + + context 'for the update_column_in_batches method' do + include_examples 'large tables', 'update_column_in_batches' + end + + it 'registers no offense for non-blacklisted tables' do + inspect_source(cop, "add_column_with_default :table, :column, default: true") + + expect(cop.offenses).to be_empty + end + + it 'registers no offense for non-blacklisted methods' do + table = described_class::LARGE_TABLES.sample + + inspect_source(cop, "some_other_method :#{table}, :column, default: true") + + expect(cop.offenses).to be_empty + end + end + + context 'outside of migration' do + let(:table) { described_class::LARGE_TABLES.sample } + + it 'registers no offense for add_column_with_default' do + inspect_source(cop, "add_column_with_default :#{table}, :column, default: true") + + expect(cop.offenses).to be_empty + end + + it 'registers no offense for update_column_in_batches' do + inspect_source(cop, "add_column_with_default :#{table}, :column, default: true") + + expect(cop.offenses).to be_empty + end + end +end |