require File.expand_path(File.dirname(__FILE__) + '/../../../../test_helper')

describe ::Inch::Language::Elixir::CodeObject::FunctionObject do
  before do
    @codebase = fresh_codebase(:elixir, :inch_test, 'all.json')
    @objects = @codebase.objects
  end

  describe 'Scores' do
    #
    it 'should not' do
      m = @objects.find('InchTest.generate_docs/4')
      assert m.score >= 50
    end
  end

  it 'should recognize the relationship between modules and functions' do
    mod = @objects.find('InchTest')
    assert mod.has_children?
    assert mod.children.size > 1
    fun = @objects.find('InchTest.generate_docs/4')
    assert_equal mod, fun.parent
  end

  it 'should recognize the depth of methods' do
    m = @objects.find('InchTest')
    assert_equal 1, m.depth
    m = @objects.find('InchTest.Config')
    assert_equal 2, m.depth
    m = @objects.find('InchTest.Docs.Formatter')
    assert_equal 3, m.depth
    m = @objects.find('InchTest.Docs.Formatter.run/3')
    assert_equal 4, m.depth
  end

  it 'should parse parameters correctly' do
    m = @objects.find('InchTest.Docs.Formatter.run/3')
    assert_equal 3, m.parameters.size
  end

  it 'should parse parameters correctly' do
    m = @objects.find('InchTest.Functions.full_doc/2')
    assert_equal 2, m.parameters.size
    assert_equal 'A', m.grade.to_s
  end

  it 'should parse parameters correctly' do
    m = @objects.find('InchTest.Functions.full_doc_second_parameter_unnamed/2')
    assert_equal 2, m.parameters.size
    assert_equal '', m.parameters.last.name
    assert m.parameters.last.unnamed?
    assert_equal 'A', m.grade.to_s
  end

  it 'should recognize code examples' do
    m = @objects.find('InchTest.CodeExamples.single_code_example/0')
    assert m.has_code_example?
    refute m.has_multiple_code_examples?

    m = @objects.find('InchTest.CodeExamples.multiple_code_examples/0')
    assert m.has_code_example?
    assert m.has_multiple_code_examples?
  end

  # TODO: move to own test file
  it 'should parse parameters correctly 1' do
    klass = ::Inch::Language::Elixir::Provider::Reader::Object::FunctionObject::FunctionSignature
    fn = klass.new([['args', [], nil ], ['\\\\', [], [['config', [], nil ], [['.', {line: 10 }, ['Elixir.Mix.Project', 'config'] ], {line: 10 }, [] ] ] ], ['\\\\', [], [['generator', [], nil ], [['.', [], ['erlang', 'make_fun'] ], {line: 10 }, ['Elixir.InchTest', 'generate_docs', 4 ] ] ] ], ['\\\\', [], [['reporter', [], nil ], 'Elixir.InchTest.Reporter.Local'] ] ])
    assert_equal %w(args config generator reporter), fn.parameter_names
  end
end