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test_listbox.py
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import unittest from urwid.compat import B from urwid.tests.util import SelectableText import urwid class ListBoxCalculateVisibleTest(unittest.TestCase): def cvtest(self, desc, body, focus, offset_rows, inset_fraction, exp_offset_inset, exp_cur ): lbox = urwid.ListBox(body) lbox.body.set_focus( focus ) lbox.offset_rows = offset_rows lbox.inset_fraction = inset_fraction middle, top, bottom = lbox.calculate_visible((4,5),focus=1) offset_inset, focus_widget, focus_pos, _ign, cursor = middle if cursor is not None: x, y = cursor y += offset_inset cursor = x, y assert offset_inset == exp_offset_inset, "%s got: %r expected: %r" %(desc,offset_inset,exp_offset_inset) assert cursor == exp_cur, "%s (cursor) got: %r expected: %r" %(desc,cursor,exp_cur) def test1_simple(self): T = urwid.Text l = [T(""),T(""),T("\n"),T("\n\n"),T("\n"),T(""),T("")] self.cvtest( "simple top position", l, 3, 0, (0,1), 0, None ) self.cvtest( "simple middle position", l, 3, 1, (0,1), 1, None ) self.cvtest( "simple bottom position", l, 3, 2, (0,1), 2, None ) self.cvtest( "straddle top edge", l, 3, 0, (1,2), -1, None ) self.cvtest( "straddle bottom edge", l, 3, 4, (0,1), 4, None ) self.cvtest( "off bottom edge", l, 3, 5, (0,1), 4, None ) self.cvtest( "way off bottom edge", l, 3, 100, (0,1), 4, None ) self.cvtest( "gap at top", l, 0, 2, (0,1), 0, None ) self.cvtest( "gap at top and off bottom edge", l, 2, 5, (0,1), 2, None ) self.cvtest( "gap at bottom", l, 6, 1, (0,1), 4, None ) self.cvtest( "gap at bottom and straddling top edge", l, 4, 0, (1,2), 1, None ) self.cvtest( "gap at bottom cannot completely fill", [T(""),T(""),T("")], 1, 0, (0,1), 1, None ) self.cvtest( "gap at top and bottom", [T(""),T(""),T("")], 1, 2, (0,1), 1, None ) def test2_cursor(self): T, E = urwid.Text, urwid.Edit l1 = [T(""),T(""),T("\n"),E("","\n\nX"),T("\n"),T(""),T("")] l2 = [T(""),T(""),T("\n"),E("","YY\n\n"),T("\n"),T(""),T("")] l2[3].set_edit_pos(2) self.cvtest( "plain cursor in view", l1, 3, 1, (0,1), 1, (1,3) ) self.cvtest( "cursor off top", l2, 3, 0, (1,3), 0, (2, 0) ) self.cvtest( "cursor further off top", l2, 3, 0, (2,3), 0, (2, 0) ) self.cvtest( "cursor off bottom", l1, 3, 3, (0,1), 2, (1, 4) ) self.cvtest( "cursor way off bottom", l1, 3, 100, (0,1), 2, (1, 4) ) class ListBoxChangeFocusTest(unittest.TestCase): def cftest(self, desc, body, pos, offset_inset, coming_from, cursor, snap_rows, exp_offset_rows, exp_inset_fraction, exp_cur ): lbox = urwid.ListBox(body) lbox.change_focus( (4,5), pos, offset_inset, coming_from, cursor, snap_rows ) exp = exp_offset_rows, exp_inset_fraction act = lbox.offset_rows, lbox.inset_fraction cursor = None focus_widget, focus_pos = lbox.body.get_focus() if focus_widget.selectable(): if hasattr(focus_widget,'get_cursor_coords'): cursor=focus_widget.get_cursor_coords((4,)) assert act == exp, "%s got: %s expected: %s" %(desc, act, exp) assert cursor == exp_cur, "%s (cursor) got: %r expected: %r" %(desc,cursor,exp_cur) def test1unselectable(self): T = urwid.Text l = [T("\n"),T("\n\n"),T("\n\n"),T("\n\n"),T("\n")] self.cftest( "simple unselectable", l, 2, 0, None, None, None, 0, (0,1), None ) self.cftest( "unselectable", l, 2, 1, None, None, None, 1, (0,1), None ) self.cftest( "unselectable off top", l, 2, -2, None, None, None, 0, (2,3), None ) self.cftest( "unselectable off bottom", l, 3, 2, None, None, None, 2, (0,1), None ) def test2selectable(self): T, S = urwid.Text, SelectableText l = [T("\n"),T("\n\n"),S("\n\n"),T("\n\n"),T("\n")] self.cftest( "simple selectable", l, 2, 0, None, None, None, 0, (0,1), None ) self.cftest( "selectable", l, 2, 1, None, None, None, 1, (0,1), None ) self.cftest( "selectable at top", l, 2, 0, 'below', None, None, 0, (0,1), None ) self.cftest( "selectable at bottom", l, 2, 2, 'above', None, None, 2, (0,1), None ) self.cftest( "selectable off top snap", l, 2, -1, 'below', None, None, 0, (0,1), None ) self.cftest( "selectable off bottom snap", l, 2, 3, 'above', None, None, 2, (0,1), None ) self.cftest( "selectable off top no snap", l, 2, -1, 'above', None, None, 0, (1,3), None ) self.cftest( "selectable off bottom no snap", l, 2, 3, 'below', None, None, 3, (0,1), None ) def test3large_selectable(self): T, S = urwid.Text, SelectableText l = [T("\n"),S("\n\n\n\n\n\n"),T("\n")] self.cftest( "large selectable no snap", l, 1, -1, None, None, None, 0, (1,7), None ) self.cftest( "large selectable snap up", l, 1, -2, 'below', None, None, 0, (0,1), None ) self.cftest( "large selectable snap up2", l, 1, -2, 'below', None, 2, 0, (0,1), None ) self.cftest( "large selectable almost snap up", l, 1, -2, 'below', None, 1, 0, (2,7), None ) self.cftest( "large selectable snap down", l, 1, 0, 'above', None, None, 0, (2,7), None ) self.cftest( "large selectable snap down2", l, 1, 0, 'above', None, 2, 0, (2,7), None ) self.cftest( "large selectable almost snap down", l, 1, 0, 'above', None, 1, 0, (0,1), None ) m = [T("\n\n\n\n"), S("\n\n\n\n\n"), T("\n\n\n\n")] self.cftest( "large selectable outside view down", m, 1, 4, 'above', None, None, 0, (0,1), None ) self.cftest( "large selectable outside view up", m, 1, -5, 'below', None, None, 0, (1,6), None ) def test4cursor(self): T,E = urwid.Text, urwid.Edit #... def test5set_focus_valign(self): T,E = urwid.Text, urwid.Edit lbox = urwid.ListBox(urwid.SimpleFocusListWalker([ T(''), T('')])) lbox.set_focus_valign('middle') # TODO: actually test the result class ListBoxRenderTest(unittest.TestCase): def ltest(self,desc,body,focus,offset_inset_rows,exp_text,exp_cur): exp_text = [B(t) for t in exp_text] lbox = urwid.ListBox(body) lbox.body.set_focus( focus ) lbox.shift_focus((4,10), offset_inset_rows ) canvas = lbox.render( (4,5), focus=1 ) text = [bytes().join([t for at, cs, t in ln]) for ln in canvas.content()] cursor = canvas.cursor assert text == exp_text, "%s (text) got: %r expected: %r" %(desc,text,exp_text) assert cursor == exp_cur, "%s (cursor) got: %r expected: %r" %(desc,cursor,exp_cur) def test1_simple(self): T = urwid.Text self.ltest( "simple one text item render", [T("1\n2")], 0, 0, ["1 ","2 "," "," "," "],None) self.ltest( "simple multi text item render off bottom", [T("1"),T("2"),T("3\n4"),T("5"),T("6")], 2, 2, ["1 ","2 ","3 ","4 ","5 "],None) self.ltest( "simple multi text item render off top", [T("1"),T("2"),T("3\n4"),T("5"),T("6")], 2, 1, ["2 ","3 ","4 ","5 ","6 "],None) def test2_trim(self): T = urwid.Text self.ltest( "trim unfocused bottom", [T("1\n2"),T("3\n4"),T("5\n6")], 1, 2, ["1 ","2 ","3 ","4 ","5 "],None) self.ltest( "trim unfocused top", [T("1\n2"),T("3\n4"),T("5\n6")], 1, 1, ["2 ","3 ","4 ","5 ","6 "],None) self.ltest( "trim none full focus", [T("1\n2\n3\n4\n5")], 0, 0, ["1 ","2 ","3 ","4 ","5 "],None) self.ltest( "trim focus bottom", [T("1\n2\n3\n4\n5\n6")], 0, 0, ["1 ","2 ","3 ","4 ","5 "],None) self.ltest( "trim focus top", [T("1\n2\n3\n4\n5\n6")], 0, -1, ["2 ","3 ","4 ","5 ","6 "],None) self.ltest( "trim focus top and bottom", [T("1\n2\n3\n4\n5\n6\n7")], 0, -1, ["2 ","3 ","4 ","5 ","6 "],None) def test3_shift(self): T,E = urwid.Text, urwid.Edit self.ltest( "shift up one fit", [T("1\n2"),T("3"),T("4"),T("5"),T("6")], 4, 5, ["2 ","3 ","4 ","5 ","6 "],None) e = E("","ab\nc",1) e.set_edit_pos( 2 ) self.ltest( "shift down one cursor over edge", [e,T("3"),T("4"),T("5\n6")], 0, -1, ["ab ","c ","3 ","4 ","5 "], (2,0)) self.ltest( "shift up one cursor over edge", [T("1\n2"),T("3"),T("4"),E("","d\ne")], 3, 4, ["2 ","3 ","4 ","d ","e "], (1,4)) self.ltest( "shift none cursor top focus over edge", [E("","ab\n"),T("3"),T("4"),T("5\n6")], 0, -1, [" ","3 ","4 ","5 ","6 "], (0,0)) e = E("","abc\nd") e.set_edit_pos( 3 ) self.ltest( "shift none cursor bottom focus over edge", [T("1\n2"),T("3"),T("4"),e], 3, 4, ["1 ","2 ","3 ","4 ","abc "], (3,4)) def test4_really_large_contents(self): T,E = urwid.Text, urwid.Edit self.ltest("really large edit", [T(u"hello"*100)], 0, 0, ["hell","ohel","lohe","lloh","ello"], None) self.ltest("really large edit", [E(u"", u"hello"*100)], 0, 0, ["hell","ohel","lohe","lloh","llo "], (3,4)) class ListBoxKeypressTest(unittest.TestCase): def ktest(self, desc, key, body, focus, offset_inset, exp_focus, exp_offset_inset, exp_cur, lbox = None): if lbox is None: lbox = urwid.ListBox(body) lbox.body.set_focus( focus ) lbox.shift_focus((4,10), offset_inset ) ret_key = lbox.keypress((4,5),key) middle, top, bottom = lbox.calculate_visible((4,5),focus=1) offset_inset, focus_widget, focus_pos, _ign, cursor = middle if cursor is not None: x, y = cursor y += offset_inset cursor = x, y exp = exp_focus, exp_offset_inset act = focus_pos, offset_inset assert act == exp, "%s got: %r expected: %r" %(desc,act,exp) assert cursor == exp_cur, "%s (cursor) got: %r expected: %r" %(desc,cursor,exp_cur) return ret_key,lbox def test1_up(self): T,S,E = urwid.Text, SelectableText, urwid.Edit self.ktest( "direct selectable both visible", 'up', [S(""),S("")], 1, 1, 0, 0, None ) self.ktest( "selectable skip one all visible", 'up', [S(""),T(""),S("")], 2, 2, 0, 0, None ) key,lbox = self.ktest( "nothing above no scroll", 'up', [S("")], 0, 0, 0, 0, None ) assert key == 'up' key, lbox = self.ktest( "unselectable above no scroll", 'up', [T(""),T(""),S("")], 2, 2, 2, 2, None ) assert key == 'up' self.ktest( "unselectable above scroll 1", 'up', [T(""),S(""),T("\n\n\n")], 1, 0, 1, 1, None ) self.ktest( "selectable above scroll 1", 'up', [S(""),S(""),T("\n\n\n")], 1, 0, 0, 0, None ) self.ktest( "selectable above too far", 'up', [S(""),T(""),S(""),T("\n\n\n")], 2, 0, 2, 1, None ) self.ktest( "selectable above skip 1 scroll 1", 'up', [S(""),T(""),S(""),T("\n\n\n")], 2, 1, 0, 0, None ) self.ktest( "tall selectable above scroll 2", 'up', [S(""),S("\n"),S(""),T("\n\n\n")], 2, 0, 1, 0, None ) self.ktest( "very tall selectable above scroll 5", 'up', [S(""),S("\n\n\n\n"),S(""),T("\n\n\n\n")], 2, 0, 1, 0, None ) self.ktest( "very tall selected scroll within 1", 'up', [S(""),S("\n\n\n\n\n")], 1, -1, 1, 0, None ) self.ktest( "edit above pass cursor", 'up', [E("","abc"),E("","de")], 1, 1, 0, 0, (2, 0) ) key,lbox = self.ktest( "edit too far above pass cursor A", 'up', [E("","abc"),T("\n\n\n\n"),E("","de")], 2, 4, 1, 0, None ) self.ktest( "edit too far above pass cursor B", 'up', None, None, None, 0, 0, (2,0), lbox ) self.ktest( "within focus cursor made not visible", 'up', [T("\n\n\n"),E("hi\n","ab")], 1, 3, 0, 0, None ) self.ktest( "within focus cursor made not visible (2)", 'up', [T("\n\n\n\n"),E("hi\n","ab")], 1, 3, 0, -1, None ) self.ktest( "force focus unselectable" , 'up', [T("\n\n\n\n"),S("")], 1, 4, 0, 0, None ) self.ktest( "pathological cursor widget", 'up', [T("\n"),E("\n\n\n\n\n","a")], 1, 4, 0, -1, None ) self.ktest( "unselectable to unselectable", 'up', [T(""),T(""),T(""),T(""),T(""),T(""),T("")], 2, 0, 1, 0, None ) self.ktest( "unselectable over edge to same", 'up', [T(""),T("12\n34"),T(""),T(""),T(""),T("")],1,-1, 1, 0, None ) key,lbox = self.ktest( "edit short between pass cursor A", 'up', [E("","abcd"),E("","a"),E("","def")], 2, 2, 1, 1, (1,1) ) self.ktest( "edit short between pass cursor B", 'up', None, None, None, 0, 0, (3,0), lbox ) e = E("","\n\n\n\n\n") e.set_edit_pos(1) key,lbox = self.ktest( "edit cursor force scroll", 'up', [e], 0, -1, 0, 0, (0,0) ) assert lbox.inset_fraction[0] == 0 def test2_down(self): T,S,E = urwid.Text, SelectableText, urwid.Edit self.ktest( "direct selectable both visible", 'down', [S(""),S("")], 0, 0, 1, 1, None ) self.ktest( "selectable skip one all visible", 'down', [S(""),T(""),S("")], 0, 0, 2, 2, None ) key,lbox = self.ktest( "nothing below no scroll", 'down', [S("")], 0, 0, 0, 0, None ) assert key == 'down' key, lbox = self.ktest( "unselectable below no scroll", 'down', [S(""),T(""),T("")], 0, 0, 0, 0, None ) assert key == 'down' self.ktest( "unselectable below scroll 1", 'down', [T("\n\n\n"),S(""),T("")], 1, 4, 1, 3, None ) self.ktest( "selectable below scroll 1", 'down', [T("\n\n\n"),S(""),S("")], 1, 4, 2, 4, None ) self.ktest( "selectable below too far", 'down', [T("\n\n\n"),S(""),T(""),S("")], 1, 4, 1, 3, None ) self.ktest( "selectable below skip 1 scroll 1", 'down', [T("\n\n\n"),S(""),T(""),S("")], 1, 3, 3, 4, None ) self.ktest( "tall selectable below scroll 2", 'down', [T("\n\n\n"),S(""),S("\n"),S("")], 1, 4, 2, 3, None ) self.ktest( "very tall selectable below scroll 5", 'down', [T("\n\n\n\n"),S(""),S("\n\n\n\n"),S("")], 1, 4, 2, 0, None ) self.ktest( "very tall selected scroll within 1", 'down', [S("\n\n\n\n\n"),S("")], 0, 0, 0, -1, None ) self.ktest( "edit below pass cursor", 'down', [E("","de"),E("","abc")], 0, 0, 1, 1, (2, 1) ) key,lbox=self.ktest( "edit too far below pass cursor A", 'down', [E("","de"),T("\n\n\n\n"),E("","abc")], 0, 0, 1, 0, None ) self.ktest( "edit too far below pass cursor B", 'down', None, None, None, 2, 4, (2,4), lbox ) odd_e = E("","hi\nab") odd_e.set_edit_pos( 2 ) # disble cursor movement in odd_e object odd_e.move_cursor_to_coords = lambda s,c,xy: 0 self.ktest( "within focus cursor made not visible", 'down', [odd_e,T("\n\n\n\n")], 0, 0, 1, 1, None ) self.ktest( "within focus cursor made not visible (2)", 'down', [odd_e,T("\n\n\n\n"),], 0, 0, 1, 1, None ) self.ktest( "force focus unselectable" , 'down', [S(""),T("\n\n\n\n")], 0, 0, 1, 0, None ) odd_e.set_edit_text( "hi\n\n\n\n\n" ) self.ktest( "pathological cursor widget", 'down', [odd_e,T("\n")], 0, 0, 1, 4, None ) self.ktest( "unselectable to unselectable", 'down', [T(""),T(""),T(""),T(""),T(""),T(""),T("")], 4, 4, 5, 4, None ) self.ktest( "unselectable over edge to same", 'down', [T(""),T(""),T(""),T(""),T("12\n34"),T("")],4,4, 4, 3, None ) key,lbox=self.ktest( "edit short between pass cursor A", 'down', [E("","abc"),E("","a"),E("","defg")], 0, 0, 1, 1, (1,1) ) self.ktest( "edit short between pass cursor B", 'down', None, None, None, 2, 2, (3,2), lbox ) e = E("","\n\n\n\n\n") e.set_edit_pos(4) key,lbox = self.ktest( "edit cursor force scroll", 'down', [e], 0, 0, 0, -1, (0,4) ) assert lbox.inset_fraction[0] == 1 def test3_page_up(self): T,S,E = urwid.Text, SelectableText, urwid.Edit self.ktest( "unselectable aligned to aligned", 'page up', [T(""),T("\n"),T("\n\n"),T(""),T("\n"),T("\n\n")], 3, 0, 1, 0, None ) self.ktest( "unselectable unaligned to aligned", 'page up', [T(""),T("\n"),T("\n"),T("\n"),T("\n"),T("\n\n")], 3,-1, 1, 0, None ) self.ktest( "selectable to unselectable", 'page up', [T(""),T("\n"),T("\n"),T("\n"),S("\n"),T("\n\n")], 4, 1, 1, -1, None ) self.ktest( "selectable to cut off selectable", 'page up', [S("\n\n"),T("\n"),T("\n"),S("\n"),T("\n\n")], 3, 1, 0, -1, None ) self.ktest( "seletable to selectable", 'page up', [T("\n\n"),S("\n"),T("\n"),S("\n"),T("\n\n")], 3, 1, 1, 1, None ) self.ktest( "within very long selectable", 'page up', [S(""),S("\n\n\n\n\n\n\n\n"),T("\n")], 1, -6, 1, -1, None ) e = E("","\n\nab\n\n\n\n\ncd\n") e.set_edit_pos(11) self.ktest( "within very long cursor widget", 'page up', [S(""),e,T("\n")], 1, -6, 1, -2, (2, 0) ) self.ktest( "pathological cursor widget", 'page up', [T(""),E("\n\n\n\n\n\n\n\n","ab"),T("")], 1, -5, 0, 0, None ) e = E("","\nab\n\n\n\n\ncd\n") e.set_edit_pos(10) self.ktest( "very long cursor widget snap", 'page up', [T(""),e,T("\n")], 1, -5, 1, 0, (2, 1) ) self.ktest( "slight scroll selectable", 'page up', [T("\n"),S("\n"),T(""),S(""),T("\n\n\n"),S("")], 5, 4, 3, 0, None ) self.ktest( "scroll into snap region", 'page up', [T("\n"),S("\n"),T(""),T(""),T("\n\n\n"),S("")], 5, 4, 1, 0, None ) self.ktest( "mid scroll short", 'page up', [T("\n"),T(""),T(""),S(""),T(""),T("\n"),S(""),T("\n")], 6, 2, 3, 1, None ) self.ktest( "mid scroll long", 'page up', [T("\n"),S(""),T(""),S(""),T(""),T("\n"),S(""),T("\n")], 6, 2, 1, 0, None ) self.ktest( "mid scroll perfect", 'page up', [T("\n"),S(""),S(""),S(""),T(""),T("\n"),S(""),T("\n")], 6, 2, 2, 0, None ) self.ktest( "cursor move up fail short", 'page up', [T("\n"),T("\n"),E("","\nab"),T(""),T("")], 2, 1, 2, 4, (0, 4) ) self.ktest( "cursor force fail short", 'page up', [T("\n"),T("\n"),E("\n","ab"),T(""),T("")], 2, 1, 0, 0, None ) odd_e = E("","hi\nab") odd_e.set_edit_pos( 2 ) # disble cursor movement in odd_e object odd_e.move_cursor_to_coords = lambda s,c,xy: 0 self.ktest( "cursor force fail long", 'page up', [odd_e,T("\n"),T("\n"),T("\n"),S(""),T("\n")], 4, 2, 1, -1, None ) self.ktest( "prefer not cut off", 'page up', [S("\n"),T("\n"),S(""),T("\n\n"),S(""),T("\n")], 4, 2, 2, 1, None ) self.ktest( "allow cut off", 'page up', [S("\n"),T("\n"),T(""),T("\n\n"),S(""),T("\n")], 4, 2, 0, -1, None ) self.ktest( "at top fail", 'page up', [T("\n\n"),T("\n"),T("\n\n\n")], 0, 0, 0, 0, None ) self.ktest( "all visible fail", 'page up', [T("a"),T("\n")], 0, 0, 0, 0, None ) self.ktest( "current ok fail", 'page up', [T("\n\n"),S("hi")], 1, 3, 1, 3, None ) self.ktest( "all visible choose top selectable", 'page up', [T(""),S("a"),S("b"),S("c")], 3, 3, 1, 1, None ) self.ktest( "bring in edge choose top", 'page up', [S("b"),T("-"),S("-"),T("c"),S("d"),T("-")],4,3, 0, 0, None ) self.ktest( "bring in edge choose top selectable", 'page up', [T("b"),S("-"),S("-"),T("c"),S("d"),T("-")],4,3, 1, 1, None ) def test4_page_down(self): T,S,E = urwid.Text, SelectableText, urwid.Edit self.ktest( "unselectable aligned to aligned", 'page down', [T("\n\n"),T("\n"),T(""),T("\n\n"),T("\n"),T("")], 2, 4, 4, 3, None ) self.ktest( "unselectable unaligned to aligned", 'page down', [T("\n\n"),T("\n"),T("\n"),T("\n"),T("\n"),T("")], 2, 4, 4, 3, None ) self.ktest( "selectable to unselectable", 'page down', [T("\n\n"),S("\n"),T("\n"),T("\n"),T("\n"),T("")], 1, 2, 4, 4, None ) self.ktest( "selectable to cut off selectable", 'page down', [T("\n\n"),S("\n"),T("\n"),T("\n"),S("\n\n")], 1, 2, 4, 3, None ) self.ktest( "seletable to selectable", 'page down', [T("\n\n"),S("\n"),T("\n"),S("\n"),T("\n\n")], 1, 1, 3, 2, None ) self.ktest( "within very long selectable", 'page down', [T("\n"),S("\n\n\n\n\n\n\n\n"),S("")], 1, 2, 1, -3, None ) e = E("","\nab\n\n\n\n\ncd\n\n") e.set_edit_pos(2) self.ktest( "within very long cursor widget", 'page down', [T("\n"),e,S("")], 1, 2, 1, -2, (1, 4) ) odd_e = E("","ab\n\n\n\n\n\n\n\n\n") odd_e.set_edit_pos( 1 ) # disble cursor movement in odd_e object odd_e.move_cursor_to_coords = lambda s,c,xy: 0 self.ktest( "pathological cursor widget", 'page down', [T(""),odd_e,T("")], 1, 1, 2, 4, None ) e = E("","\nab\n\n\n\n\ncd\n") e.set_edit_pos(2) self.ktest( "very long cursor widget snap", 'page down', [T("\n"),e,T("")], 1, 2, 1, -3, (1, 3) ) self.ktest( "slight scroll selectable", 'page down', [S(""),T("\n\n\n"),S(""),T(""),S("\n"),T("\n")], 0, 0, 2, 4, None ) self.ktest( "scroll into snap region", 'page down', [S(""),T("\n\n\n"),T(""),T(""),S("\n"),T("\n")], 0, 0, 4, 3, None ) self.ktest( "mid scroll short", 'page down', [T("\n"),S(""),T("\n"),T(""),S(""),T(""),T(""),T("\n")], 1, 2, 4, 3, None ) self.ktest( "mid scroll long", 'page down', [T("\n"),S(""),T("\n"),T(""),S(""),T(""),S(""),T("\n")], 1, 2, 6, 4, None ) self.ktest( "mid scroll perfect", 'page down', [T("\n"),S(""),T("\n"),T(""),S(""),S(""),S(""),T("\n")], 1, 2, 5, 4, None ) e = E("","hi\nab") e.set_edit_pos( 1 ) self.ktest( "cursor move up fail short", 'page down', [T(""),T(""),e,T("\n"),T("\n")], 2, 1, 2, -1, (1, 0) ) odd_e = E("","hi\nab") odd_e.set_edit_pos( 1 ) # disble cursor movement in odd_e object odd_e.move_cursor_to_coords = lambda s,c,xy: 0 self.ktest( "cursor force fail short", 'page down', [T(""),T(""),odd_e,T("\n"),T("\n")], 2, 2, 4, 3, None ) self.ktest( "cursor force fail long", 'page down', [T("\n"),S(""),T("\n"),T("\n"),T("\n"),E("hi\n","ab")], 1, 2, 4, 4, None ) self.ktest( "prefer not cut off", 'page down', [T("\n"),S(""),T("\n\n"),S(""),T("\n"),S("\n")], 1, 2, 3, 3, None ) self.ktest( "allow cut off", 'page down', [T("\n"),S(""),T("\n\n"),T(""),T("\n"),S("\n")], 1, 2, 5, 4, None ) self.ktest( "at bottom fail", 'page down', [T("\n\n"),T("\n"),T("\n\n\n")], 2, 1, 2, 1, None ) self.ktest( "all visible fail", 'page down', [T("a"),T("\n")], 1, 1, 1, 1, None ) self.ktest( "current ok fail", 'page down', [S("hi"),T("\n\n")], 0, 0, 0, 0, None ) self.ktest( "all visible choose last selectable", 'page down', [S("a"),S("b"),S("c"),T("")], 0, 0, 2, 2, None ) self.ktest( "bring in edge choose last", 'page down', [T("-"),S("d"),T("c"),S("-"),T("-"),S("b")],1,1, 5,4, None ) self.ktest( "bring in edge choose last selectable", 'page down', [T("-"),S("d"),T("c"),S("-"),S("-"),T("b")],1,1, 4,3, None ) class ZeroHeightContentsTest(unittest.TestCase): def test_listbox_pile(self): lb = urwid.ListBox(urwid.SimpleListWalker( [urwid.Pile([])])) lb.render((40,10), focus=True) def test_listbox_text_pile_page_down(self): lb = urwid.ListBox(urwid.SimpleListWalker( [urwid.Text(u'above'), urwid.Pile([])])) lb.keypress((40,10), 'page down') self.assertEqual(lb.get_focus()[1], 0) lb.keypress((40,10), 'page down') # second one caused ListBox failure self.assertEqual(lb.get_focus()[1], 0) def test_listbox_text_pile_page_up(self): lb = urwid.ListBox(urwid.SimpleListWalker( [urwid.Pile([]), urwid.Text(u'below')])) lb.set_focus(1) lb.keypress((40,10), 'page up') self.assertEqual(lb.get_focus()[1], 1) lb.keypress((40,10), 'page up') # second one caused pile failure self.assertEqual(lb.get_focus()[1], 1) def test_listbox_text_pile_down(self): sp = urwid.Pile([]) sp.selectable = lambda: True # abuse our Pile lb = urwid.ListBox(urwid.SimpleListWalker([urwid.Text(u'above'), sp])) lb.keypress((40,10), 'down') self.assertEqual(lb.get_focus()[1], 0) lb.keypress((40,10), 'down') self.assertEqual(lb.get_focus()[1], 0) def test_listbox_text_pile_up(self): sp = urwid.Pile([]) sp.selectable = lambda: True # abuse our Pile lb = urwid.ListBox(urwid.SimpleListWalker([sp, urwid.Text(u'below')])) lb.set_focus(1) lb.keypress((40,10), 'up') self.assertEqual(lb.get_focus()[1], 1) lb.keypress((40,10), 'up') self.assertEqual(lb.get_focus()[1], 1)