test_rails_view_render_literal.rb

# frozen_string_literal: true

require_relative "cop_test"
require "minitest/autorun"
require "rubocop/cop/github/rails_view_render_literal"

class TestRailsViewRenderLiteral < CopTest
  def cop_class
    RuboCop::Cop::GitHub::RailsViewRenderLiteral
  end

  def test_render_string_literal_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render "products/listing" %>
      <%= render partial: "products/listing" %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_layout_string_literal_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render layout: "products/listing" do %>
        Hello
      <% end %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_layout_string_literal_with_block_pass_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render layout: "layouts/head", &head %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_variable_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render magic_string %>
      <%= render partial: magic_string %>
    ERB

    assert_equal 2, offenses.count
    assert_equal "#{cop.name}: render must be used with a literal template and use literals for locals keys", offenses[0].message
  end

  def test_render_component_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render Module::MyClass.new(title: "foo", bar: "baz") %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_instance_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render MyClass.new(title: "foo", bar: "baz") %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_instance_with_content_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render MyClass.new(title: "foo", bar: "baz").with_content("foo") %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_instance_block_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render Module::MyClass.new(title: "foo", bar: "baz") do %>Content<% end %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_instance_inline_block_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render Module::MyClass.new(title: "foo", bar: "baz") { "Content" } %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_instance_data_object_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render Module::MyClass.new(title: "foo", bar: "baz", data: { foo: "bar" }) %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_instance_data_object_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render Module::MyClass.new(title: "foo", bar: "baz", data: { foo: "bar" }) %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_collection_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render MyClass.with_collection(title: "foo", bar: "baz") %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_component_module_collection_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/foo/index.html.erb"
      <%= render Foo::MyClass.with_collection(title: "foo", bar: "baz") %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_layout_variable_literal_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render layout: magic_string do %>
        Hello
      <% end %>
    ERB

    assert_equal 1, offenses.count
    assert_equal "#{cop.name}: render must be used with a literal template and use literals for locals keys", offenses[0].message
  end

  def test_render_inline_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render inline: magic_string %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_template_literal_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render template: "products/listing" %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_literal_static_locals_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render "products/product", product: product %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_literal_dynamic_locals_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render "products/product", locals %>
    ERB

    assert_equal 1, offenses.count
  end

  def test_render_literal_dynamic_local_key_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render "products/product", { product_key => product } %>
    ERB

    assert_equal 1, offenses.count
  end

  def test_render_literal_splat_locals_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render "products/product", { **locals } %>
    ERB

    assert_equal 1, offenses.count
  end

  def test_render_options_static_locals_no_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render partial: "products/product", locals: { product: product } %>
    ERB

    assert_equal 0, offenses.count
  end

  def test_render_options_dynamic_locals_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render partial: "products/product", locals: locals %>
    ERB

    assert_equal 1, offenses.count
  end

  def test_render_options_dynamic_local_key_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render partial: "products/product", locals: { product_key => product } %>
    ERB

    assert_equal 1, offenses.count
  end

  def test_render_options_local_splat_offense
    offenses = erb_investigate cop, <<-ERB, "app/views/products/index.html.erb"
      <%= render partial: "products/product", locals: { **locals } %>
    ERB

    assert_equal 1, offenses.count
  end
end