brew/Library/Homebrew/test/rubocops/unless_multiple_conditions_spec.rb

# typed: false
# frozen_string_literal: true

require "rubocops/unless_multiple_conditions"

describe RuboCop::Cop::Style::UnlessMultipleConditions do
  subject(:cop) { described_class.new }

  it "reports an offense when using `unless` with multiple `and` conditions" do
    expect_offense <<~RUBY
      unless foo && bar
      ^^^^^^^^^^^^^^^^^ Avoid using `unless` with multiple conditions.
        something
      end
    RUBY

    expect_offense <<~RUBY
      something unless foo && bar
                ^^^^^^^^^^^^^^^^^ Avoid using `unless` with multiple conditions.
    RUBY
  end

  it "reports an offense when using `unless` with multiple `or` conditions" do
    expect_offense <<~RUBY
      unless foo || bar
      ^^^^^^^^^^^^^^^^^ Avoid using `unless` with multiple conditions.
        something
      end
    RUBY

    expect_offense <<~RUBY
      something unless foo || bar
                ^^^^^^^^^^^^^^^^^ Avoid using `unless` with multiple conditions.
    RUBY
  end

  it "reports no offenses when using `if` with multiple `and` conditions" do
    expect_no_offenses <<~RUBY
      if !foo && !bar
        something
      end
    RUBY

    expect_no_offenses <<~RUBY
      something if !foo && !bar
    RUBY
  end

  it "reports no offenses when using `if` with multiple `or` conditions" do
    expect_no_offenses <<~RUBY
      if !foo || !bar
        something
      end
    RUBY

    expect_no_offenses <<~RUBY
      something if !foo || !bar
    RUBY
  end

  it "reports no offenses when using `unless` with single condition" do
    expect_no_offenses <<~RUBY
      unless foo
        something
      end
    RUBY

    expect_no_offenses <<~RUBY
      something unless foo
    RUBY
  end

  it "auto-corrects `unless` with multiple `and` conditions" do
    source = <<~RUBY
      unless foo && (bar || baz)
        something
      end
    RUBY

    corrected_source = <<~RUBY
      if !(foo) || !(bar || baz)
        something
      end
    RUBY

    new_source = autocorrect_source(source)
    expect(new_source).to eq(corrected_source)

    source = <<~RUBY
      something unless foo && bar
    RUBY

    corrected_source = <<~RUBY
      something if !(foo) || !(bar)
    RUBY

    new_source = autocorrect_source(source)
    expect(new_source).to eq(corrected_source)
  end

  it "auto-corrects `unless` with multiple `or` conditions" do
    source = <<~RUBY
      unless foo || (bar && baz)
        something
      end
    RUBY

    corrected_source = <<~RUBY
      if !(foo) && !(bar && baz)
        something
      end
    RUBY

    new_source = autocorrect_source(source)
    expect(new_source).to eq(corrected_source)

    source = <<~RUBY
      something unless foo || bar
    RUBY

    corrected_source = <<~RUBY
      something if !(foo) && !(bar)
    RUBY

    new_source = autocorrect_source(source)
    expect(new_source).to eq(corrected_source)
  end
end