forked from rubocop/rubocop
/
multiline_assignment_layout_spec.rb
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/
multiline_assignment_layout_spec.rb
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# frozen_string_literal: true
RSpec.describe RuboCop::Cop::Layout::MultilineAssignmentLayout, :config do
subject(:cop) { described_class.new(config) }
let(:supported_types) { %w[if] }
let(:cop_config) do
{
'EnforcedStyle' => enforced_style,
'SupportedTypes' => supported_types
}
end
context 'new_line style' do
let(:enforced_style) { 'new_line' }
it 'registers an offense when the rhs is on the same line' do
expect_offense(<<~RUBY)
blarg = if true
^^^^^^^^^^^^^^^ Right hand side of multi-line assignment is on the same line as the assignment operator `=`.
end
RUBY
expect_correction(<<~RUBY)
blarg =
if true
end
RUBY
end
it 'registers an offense when the rhs is on the same line in []=' do
expect_offense(<<~RUBY)
hash[:foo] = if true
^^^^^^^^^^^^^^^^^^^^ Right hand side of multi-line assignment is on the same line as the assignment operator `=`.
end
RUBY
expect_correction(<<~RUBY)
hash[:foo] =
if true
end
RUBY
end
it 'registers an offense when the rhs is on the same line in setters' do
expect_offense(<<~RUBY)
foo.bar = if true
^^^^^^^^^^^^^^^^^ Right hand side of multi-line assignment is on the same line as the assignment operator `=`.
end
RUBY
expect_correction(<<~RUBY)
foo.bar =
if true
end
RUBY
end
it 'ignores arrays' do
expect_no_offenses(<<~RUBY)
a, b = 4,
5
RUBY
end
context 'configured supported types' do
let(:supported_types) { %w[array] }
it 'allows supported types to be configured' do
expect_offense(<<~RUBY)
a, b = 4,
^^^^^^^^^ Right hand side of multi-line assignment is on the same line as the assignment operator `=`.
5
RUBY
end
end
it 'allows multi-line assignments on separate lines' do
expect_no_offenses(<<~RUBY)
blarg=
if true
end
RUBY
end
it 'registers an offense for masgn with multi-line lhs' do
expect_offense(<<~RUBY)
a,
^^ Right hand side of multi-line assignment is on the same line as the assignment operator `=`.
b = if foo
end
RUBY
end
context 'when supported types is block' do
let(:supported_types) { %w[block] }
it 'registers an offense when multi-line assignments ' \
'using block definition is on the same line' do
expect_offense(<<~RUBY)
lambda = -> {
^^^^^^^^^^^^^ Right hand side of multi-line assignment is on the same line as the assignment operator `=`.
puts 'hello'
}
RUBY
end
it 'allows multi-line assignments when using block definition ' \
'on separate lines' do
expect_no_offenses(<<~RUBY)
lambda =
-> {
puts 'hello'
}
RUBY
end
it 'allows multi-line block defines on separate lines' do
expect_no_offenses(<<~RUBY)
default_scope -> {
where(foo: "bar")
}
RUBY
end
it 'allows multi-line assignments when using shovel operator' do
expect_no_offenses(<<~'RUBY')
foo << items.map do |item|
"#{item}!"
end
RUBY
end
end
end
context 'same_line style' do
let(:enforced_style) { 'same_line' }
it 'registers an offense when the rhs is a different line' do
expect_offense(<<~RUBY)
blarg =
^^^^^^^ Right hand side of multi-line assignment is not on the same line as the assignment operator `=`.
if true
end
RUBY
expect_correction(<<~RUBY)
blarg = if true
end
RUBY
end
it 'registers an offense when the rhs is a different line in []=' do
expect_offense(<<~RUBY)
hash[:foo] =
^^^^^^^^^^^^ Right hand side of multi-line assignment is not on the same line as the assignment operator `=`.
if true
end
RUBY
expect_correction(<<~RUBY)
hash[:foo] = if true
end
RUBY
end
it 'registers an offense when the rhs is a different line in setters' do
expect_offense(<<~RUBY)
foo.bar =
^^^^^^^^^ Right hand side of multi-line assignment is not on the same line as the assignment operator `=`.
if true
end
RUBY
expect_correction(<<~RUBY)
foo.bar = if true
end
RUBY
end
it 'ignores arrays' do
expect_no_offenses(<<~RUBY)
a, b =
4,
5
RUBY
end
context 'configured supported types' do
let(:supported_types) { %w[array] }
it 'allows supported types to be configured' do
expect_offense(<<~RUBY)
a, b =
^^^^^^ Right hand side of multi-line assignment is not on the same line as the assignment operator `=`.
4,
5
RUBY
end
end
it 'allows multi-line assignments on the same line' do
expect_no_offenses(<<~RUBY)
blarg= if true
end
RUBY
end
it 'registers an offense for masgn with multi-line lhs' do
expect_offense(<<~RUBY)
a,
^^ Right hand side of multi-line assignment is not on the same line as the assignment operator `=`.
b =
if foo
end
RUBY
end
context 'when supported types is block' do
let(:supported_types) { %w[block] }
it 'allows when multi-line assignments using block definition ' \
'is on the same line' do
expect_no_offenses(<<~RUBY)
lambda = -> {
puts 'hello'
}
RUBY
end
it 'registers an offense when multi-line assignments ' \
'using block definition on separate lines' do
expect_offense(<<~RUBY)
lambda =
^^^^^^^^ Right hand side of multi-line assignment is not on the same line as the assignment operator `=`.
-> {
puts 'hello'
}
RUBY
end
it 'allows multi-line block defines on separate lines' do
expect_no_offenses(<<~RUBY)
default_scope -> {
where(foo: "bar")
}
RUBY
end
it 'allows multi-line assignments when using shovel operator' do
expect_no_offenses(<<~'RUBY')
foo << items.map do |item|
"#{item}!"
end
RUBY
end
end
end
end