def test_get_contents_after_insert4(input_file_simple):
pt = PieceTable.fromfile(input_file_simple)
assert len(pt.pieces) == 1
pt.insert(0, 'unseriousnessbywayofhowtosandhacks\n')
exp = 'unseriousnessbywayofhowtosandhacks\nthe quick brown fox\njumped over the lazy dog'
assert pt.get_contents() == exp
assert len(pt.pieces) == 2
def test_init():
pt = PieceTable()
assert pt != None
assert isinstance(pt, PieceTable)
assert pt.original == ''
assert pt.added == ''
assert len(pt.pieces) == 0
def test_get_contents_after_insert2(input_file_simple):
pt = PieceTable.fromfile(input_file_simple)
assert len(pt.pieces) == 1
pt.insert(1, 'a')
exp = 'tahe quick brown fox\njumped over the lazy dog'
assert pt.get_contents() == exp
print(pt.pieces)
assert len(pt.pieces) == 3
def test_from_file(input_file_simple):
pt = PieceTable.fromfile(input_file_simple)
assert len(pt.pieces) == 1
piece = pt.pieces[0]
assert piece.start == 0
assert piece.length == 44
assert piece.piece_type == PieceType.ORIGINAL
assert len(pt.original) == 44
line_starts = piece.line_starts
assert len(line_starts) == 2
assert line_starts[0] == 0
assert line_starts[1] == 20
def test_insert_middle(input_file_simple):
pt = PieceTable.fromfile(input_file_simple)
assert len(pt.pieces) == 1
pt.insert(20, "went to the park and\n")
assert len(pt.pieces) == 3
assert pt.pieces[0].start == 0
assert pt.pieces[0].length == 20
assert pt.pieces[0].piece_type == PieceType.ORIGINAL
assert pt.pieces[1].start == 0
assert pt.pieces[1].length == 21
assert pt.pieces[1].piece_type == PieceType.ADDED
assert pt.pieces[2].start == 20
assert pt.pieces[2].length == 24
assert pt.pieces[2].piece_type == PieceType.ORIGINAL
def test_get_contents_after_insert5(input_file_simple):
pt = PieceTable.fromfile(input_file_simple)
assert len(pt.pieces) == 1
pt.insert(44, '\n\n thats the end')
exp = 'the quick brown fox\njumped over the lazy dog\n\n thats the end'
assert pt.get_contents() == exp
pt.insert(47, "asdf ")
exp = 'the quick brown fox\njumped over the lazy dog\n\n asdf thats the end'
assert pt.get_contents() == exp
pt.insert(5, 'qqq')
exp = 'the qqqquick brown fox\njumped over the lazy dog\n\n asdf thats the end'
assert pt.get_contents() == exp
print(pt.pieces)
pt.insert(53, " dang ")
print(pt.pieces)
exp = 'the qqqquick brown fox\njumped over the lazy dog\n\n asd dang f thats the end'
assert pt.get_contents() == exp
def test_get_piece_from_offset():
piece1 = Piece(start=0, length=20)
piece2 = Piece(start=0, length=21, piece_type=PieceType.ADDED)
piece3 = Piece(start=20, length=24)
pt = PieceTable(pieces=[piece1, piece2, piece3])
piece4, po = pt.get_piece_from_offset(20)
assert piece4 is piece1
assert po == 20
piece4, po = pt.get_piece_from_offset(21)
assert piece4 is piece2
assert po == 1
piece4, po = pt.get_piece_from_offset(41)
assert piece4 is piece2
assert po == 21
piece4, po = pt.get_piece_from_offset(63)
assert piece4 is piece3
assert po == 22
def test_get_contents_after_insert(input_file_simple):
pt = PieceTable.fromfile(input_file_simple)
assert len(pt.pieces) == 1
pt.insert(20, "went to the park and\n")
exp = 'the quick brown fox\nwent to the park and\njumped over the lazy dog'
assert pt.get_contents() == exp