diff options
Diffstat (limited to 'test/reline/test_line_editor.rb')
| -rw-r--r-- | test/reline/test_line_editor.rb | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/test/reline/test_line_editor.rb b/test/reline/test_line_editor.rb new file mode 100644 index 0000000000..7a38ecd596 --- /dev/null +++ b/test/reline/test_line_editor.rb @@ -0,0 +1,185 @@ +require_relative 'helper' +require 'reline/line_editor' +require 'stringio' + +class Reline::LineEditor + class RenderLineDifferentialTest < Reline::TestCase + module TestIO + RESET_COLOR = "\e[0m" + + def self.move_cursor_column(col) + @output << "[COL_#{col}]" + end + + def self.erase_after_cursor + @output << '[ERASE]' + end + end + + def setup + verbose, $VERBOSE = $VERBOSE, nil + @line_editor = Reline::LineEditor.new(nil, Encoding::UTF_8) + @original_iogate = Reline::IOGate + @output = StringIO.new + @line_editor.instance_variable_set(:@screen_size, [24, 80]) + @line_editor.instance_variable_set(:@output, @output) + Reline.send(:remove_const, :IOGate) + Reline.const_set(:IOGate, TestIO) + Reline::IOGate.instance_variable_set(:@output, @output) + ensure + $VERBOSE = verbose + end + + def assert_output(expected) + @output.reopen(+'') + yield + actual = @output.string + assert_equal(expected, actual.gsub("\e[0m", '')) + end + + def teardown + Reline.send(:remove_const, :IOGate) + Reline.const_set(:IOGate, @original_iogate) + end + + def test_line_increase_decrease + assert_output '[COL_0]bb' do + @line_editor.render_line_differential([[0, 1, 'a']], [[0, 2, 'bb']]) + end + + assert_output '[COL_0]b[COL_1][ERASE]' do + @line_editor.render_line_differential([[0, 2, 'aa']], [[0, 1, 'b']]) + end + end + + def test_dialog_appear_disappear + assert_output '[COL_3]dialog' do + @line_editor.render_line_differential([[0, 1, 'a']], [[0, 1, 'a'], [3, 6, 'dialog']]) + end + + assert_output '[COL_3]dialog' do + @line_editor.render_line_differential([[0, 10, 'a' * 10]], [[0, 10, 'a' * 10], [3, 6, 'dialog']]) + end + + assert_output '[COL_1][ERASE]' do + @line_editor.render_line_differential([[0, 1, 'a'], [3, 6, 'dialog']], [[0, 1, 'a']]) + end + + assert_output '[COL_3]aaaaaa' do + @line_editor.render_line_differential([[0, 10, 'a' * 10], [3, 6, 'dialog']], [[0, 10, 'a' * 10]]) + end + end + + def test_dialog_change + assert_output '[COL_3]DIALOG' do + @line_editor.render_line_differential([[0, 2, 'a'], [3, 6, 'dialog']], [[0, 2, 'a'], [3, 6, 'DIALOG']]) + end + + assert_output '[COL_3]DIALOG' do + @line_editor.render_line_differential([[0, 10, 'a' * 10], [3, 6, 'dialog']], [[0, 10, 'a' * 10], [3, 6, 'DIALOG']]) + end + end + + def test_update_under_dialog + assert_output '[COL_0]b[COL_1] ' do + @line_editor.render_line_differential([[0, 2, 'aa'], [4, 6, 'dialog']], [[0, 1, 'b'], [4, 6, 'dialog']]) + end + + assert_output '[COL_0]bbb[COL_9]b' do + @line_editor.render_line_differential([[0, 10, 'a' * 10], [3, 6, 'dialog']], [[0, 10, 'b' * 10], [3, 6, 'dialog']]) + end + + assert_output '[COL_0]b[COL_1] [COL_9][ERASE]' do + @line_editor.render_line_differential([[0, 10, 'a' * 10], [3, 6, 'dialog']], [[0, 1, 'b'], [3, 6, 'dialog']]) + end + end + + def test_dialog_move + assert_output '[COL_3]dialog[COL_9][ERASE]' do + @line_editor.render_line_differential([[0, 1, 'a'], [4, 6, 'dialog']], [[0, 1, 'a'], [3, 6, 'dialog']]) + end + + assert_output '[COL_4] [COL_5]dialog' do + @line_editor.render_line_differential([[0, 1, 'a'], [4, 6, 'dialog']], [[0, 1, 'a'], [5, 6, 'dialog']]) + end + + assert_output '[COL_2]dialog[COL_8]a' do + @line_editor.render_line_differential([[0, 10, 'a' * 10], [3, 6, 'dialog']], [[0, 10, 'a' * 10], [2, 6, 'dialog']]) + end + + assert_output '[COL_2]a[COL_3]dialog' do + @line_editor.render_line_differential([[0, 10, 'a' * 10], [2, 6, 'dialog']], [[0, 10, 'a' * 10], [3, 6, 'dialog']]) + end + end + + def test_multibyte + base = [0, 12, '一二三一二三'] + left = [0, 3, 'LLL'] + right = [9, 3, 'RRR'] + front = [3, 6, 'FFFFFF'] + # 一 FFFFFF 三 + # 一二三一二三 + assert_output '[COL_2]二三一二' do + @line_editor.render_line_differential([base, front], [base, nil]) + end + + # LLLFFFFFF 三 + # LLL 三一二三 + assert_output '[COL_3] 三一二' do + @line_editor.render_line_differential([base, left, front], [base, left, nil]) + end + + # 一 FFFFFFRRR + # 一二三一 RRR + assert_output '[COL_2]二三一 ' do + @line_editor.render_line_differential([base, right, front], [base, right, nil]) + end + + # LLLFFFFFFRRR + # LLL 三一 RRR + assert_output '[COL_3] 三一 ' do + @line_editor.render_line_differential([base, left, right, front], [base, left, right, nil]) + end + end + + def test_complicated + state_a = [nil, [19, 7, 'bbbbbbb'], [15, 8, 'cccccccc'], [10, 5, 'ddddd'], [18, 4, 'eeee'], [1, 3, 'fff'], [17, 2, 'gg'], [7, 1, 'h']] + state_b = [[5, 9, 'aaaaaaaaa'], nil, [15, 8, 'cccccccc'], nil, [18, 4, 'EEEE'], [25, 4, 'ffff'], [17, 2, 'gg'], [2, 2, 'hh']] + # state_a: " fff h dddddccggeeecbbb" + # state_b: " hh aaaaaaaaa ccggEEEc ffff" + + assert_output '[COL_1] [COL_2]hh[COL_5]aaaaaaaaa[COL_14] [COL_19]EEE[COL_23] [COL_25]ffff' do + @line_editor.render_line_differential(state_a, state_b) + end + + assert_output '[COL_1]fff[COL_5] [COL_7]h[COL_8] [COL_10]ddddd[COL_19]eee[COL_23]bbb[COL_26][ERASE]' do + @line_editor.render_line_differential(state_b, state_a) + end + end + end + + def test_menu_info_format + list = %w[aa b c d e f g hhh i j k] + col3 = [ + 'aa e i', + 'b f j', + 'c g k', + 'd hhh' + ] + col2 = [ + 'aa g', + 'b hhh', + 'c i', + 'd j', + 'e k', + 'f' + ] + assert_equal(col3, Reline::LineEditor::MenuInfo.new(list).lines(19)) + assert_equal(col3, Reline::LineEditor::MenuInfo.new(list).lines(15)) + assert_equal(col2, Reline::LineEditor::MenuInfo.new(list).lines(14)) + assert_equal(col2, Reline::LineEditor::MenuInfo.new(list).lines(10)) + assert_equal(list, Reline::LineEditor::MenuInfo.new(list).lines(9)) + assert_equal(list, Reline::LineEditor::MenuInfo.new(list).lines(0)) + assert_equal([], Reline::LineEditor::MenuInfo.new([]).lines(10)) + end +end |