def test_text_buffer_end_of_line_peek_char():
tb = text_buffer.TextBuffer("abcdef")
tb.column = 5
assert tb.current_char == "f"
with pytest.raises(text_buffer.EOLError):
tb.peek_char
def test_text_buffer_nextline():
tb = text_buffer.TextBuffer("abc\ndef\nghi")
tb.line = 1
tb.column = 2
tb.nextline()
assert tb.position == (2, 0)
def test_text_buffer_multiple_lines():
tb = text_buffer.TextBuffer("abc\ndef\nghi")
tb.line = 1
tb.column = 1
assert tb.current_line == "def"
assert tb.current_char == "e"
assert tb.peek_char == "f"
def test_current_char_and_line():
lex = BaseLexer()
buf = text_buffer.TextBuffer()
buf.load("Just an example\nOn two lines")
lex._text_buffer = buf
assert lex._current_char == "J"
assert lex._current_line == "Just an example"
def test_text_buffer_init_one_line():
tb = text_buffer.TextBuffer("abcdef")
assert tb.current_char == "a"
assert tb.peek_char == "b"
assert tb.current_line == "abcdef"
assert tb.line == 0
assert tb.column == 0
def __init__(self, initial_position=None):
self._text_buffer = text_buffer.TextBuffer()
self._text_buffer.position
self._buffer = []
self._initial_position = initial_position or (0, 0)
self.tokens = []
def test_insert():
lex = BaseLexer()
buf = text_buffer.TextBuffer()
buf.load("Just an example\nOn two lines")
lex._text_buffer = buf
lex._nextline()
lex._insert("A third line!")
assert lex._current_line == "A third line!"
lex._nextline()
assert lex._current_line == "On two lines"
def test_text_buffer_insert():
tb = text_buffer.TextBuffer("abc\ndef\nghi")
tb.line = 1
tb.column = 0
tb.insert("XYZ\n")
assert tb.current_line == "XYZ"
assert tb.position == (1, 0)
tb.nextline()
assert tb.current_line == "def"
assert tb.position == (2, 0)
def __init__(self, initial_position=None):
# Use a TextBuffer internally to manage the text
self._text_buffer = text_buffer.TextBuffer()
# A buffer of tokens, useful when you need to
# collect them but later post-process them
# before you actually store them as result.
self._buffer = []
self._initial_position = initial_position or (0, 0)
# These are the tokens identified so far
self.tokens = []
def test_context_long_lines_end():
tb = text_buffer.TextBuffer(
textwrap.dedent("""
Some text on multiple lines that I will use to check the context() and to text that the whole thing
works with bigger line numbers in front of the lines I need to add more text
"""))
context = dedent("""
1: [...] use to check the context() and to text th [...]
2: [...] of the lines I need to add more text
^
""")
assert tb.context(2, 60) == context.split("\n")
def test_context_long_line_end():
tb = text_buffer.TextBuffer(
dedent("""
Some text on a very long line that I will use to check the context() and to test that the whole thing works
"""))
assert tb.context(0, 100) == {
"text": [
"0: [...] and to test that the whole thing works",
" ^",
],
"line":
0,
"column":
100,
}
def test_context():
tb = text_buffer.TextBuffer(
textwrap.dedent("""
Some text
on multiple lines
that I will use
to check the context()
"""))
context = dedent("""
2: on multiple lines
3: that I will use
^
""")
assert tb.context(3, 7) == context.split("\n")
def test_context():
tb = text_buffer.TextBuffer(
dedent("""
Some text
on multiple lines
that I will use
to check the context()
"""))
assert tb.context(2, 7) == {
"text": [
"2: that I will use",
" ^",
],
"line": 2,
"column": 7,
}
def test_context_pair_line_numbers():
tb = text_buffer.TextBuffer(
textwrap.dedent("""
Some text
on multiple lines
that I will use
to check the context()
and to text that
the whole thing
works with bigger
line numbers
in front of the lines
I need to add
more text
"""))
context = dedent("""
09: in front of the lines
10: I need to add
^
""")
assert tb.context(10, 7) == context.split("\n")
def test_text_buffer_skip_defaults_to_one():
tb = text_buffer.TextBuffer("abc\ndef\nghi")
tb.skip()
assert tb.column == 1
def test_text_buffer_set_position():
tb = text_buffer.TextBuffer()
tb.position = (222, 333)
assert tb.position == (222, 333)
def test_text_buffer_position():
tb = text_buffer.TextBuffer()
tb.line = 123
tb.column = 456
assert tb.position == (123, 456)
def test_text_buffer_skip_accepts_value():
tb = text_buffer.TextBuffer("abc\ndef\nghi")
tb.skip(3)
assert tb.column == 3
def test_text_buffer_init_empty():
tb = text_buffer.TextBuffer()
with pytest.raises(text_buffer.EOFError):
tb.current_char
def test_text_buffer_tail():
ts = text_buffer.TextBuffer("abcdefgh")
ts.column = 4
assert ts.tail == "efgh"
def test_text_buffer_error_after_end_of_file():
tb = text_buffer.TextBuffer("abcdef")
tb.line = 100
with pytest.raises(text_buffer.EOFError):
tb.current_line
def test_text_buffer_end_of_line_current_char():
tb = text_buffer.TextBuffer("abcdef")
tb.column = 200
with pytest.raises(text_buffer.EOLError):
tb.current_char
def test_text_buffer_goto():
tb = text_buffer.TextBuffer()
tb.goto(12, 45)
assert tb.position == (12, 45)
def test_text_buffer_goto_default_column():
tb = text_buffer.TextBuffer()
tb.goto(12)
assert tb.position == (12, 0)
