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from __future__ import annotations
from rich.text import Text
from textual.content import Content, Span
def test_blank():
"""Check blank content."""
blank = Content("")
assert isinstance(blank, Content)
assert str(blank) == ""
assert blank.plain == ""
assert not blank
assert blank.markup == ""
assert len(blank) == 0
assert blank.spans == []
def test_simple():
"""Check content with simple unstyled text."""
simple = Content("foo")
assert isinstance(simple, Content)
assert str(simple) == "foo"
assert simple.plain == "foo"
assert simple # Not empty is truthy
assert simple.markup == "foo"
assert len(simple) == 3
assert simple.spans == []
def test_constructor():
content = Content("Hello, World")
assert content
assert len(content) == 12
assert content.cell_length == 12
assert content.plain == "Hello, World"
repr(content)
def test_bool():
assert bool(Content("foo")) is True
assert bool(Content("")) is False
def test_from_rich_text():
text = Text.from_markup("[red]Hello[/red] [blue]World[/blue]")
content = Content.from_rich_text(text)
assert len(content) == 11
assert content.plain == "Hello World"
assert [Span(start=0, end=5, style="red"), Span(start=6, end=11, style="blue")]
def test_styled():
text = Content.styled("Hello", "red")
assert text.plain == "Hello"
assert len(text) == 5
assert text.cell_length == 5
assert text._spans == [Span(0, 5, "red")]
def test_getitem():
content = Content("Hello, world").stylize("blue", 0, 5)
assert content[0].plain == "H"
assert content[0]._spans == [Span(0, 1, "blue")]
assert content[-1].plain == "d"
assert content[-1]._spans == []
assert content[:2].plain == "He"
assert content[:2]._spans == [Span(0, 2, "blue")]
def test_cell_length():
assert Content("").cell_length == 0
assert Content("foo").cell_length == 3
assert Content("💩").cell_length == 2
def test_stylize() -> None:
"""Test the stylize method."""
foo = Content("foo bar")
assert foo.spans == []
red_foo = foo.stylize("red")
# stylize create a new object
assert foo.spans == []
# With no parameters, full string is stylized
assert red_foo.spans == [Span(0, 7, "red")]
red_foo = red_foo.stylize("blue", 4, 7)
# Another span is appended
assert red_foo.spans == [
Span(0, 7, "red"),
Span(4, 7, "blue"),
]
def test_stylize_before() -> None:
"""Test the stylize_before method."""
foo = Content("foo bar")
assert foo.spans == []
red_foo = foo.stylize("red")
# stylize create a new object
assert foo.spans == []
# With no parameters, full string is stylized
assert red_foo.spans == [Span(0, 7, "red")]
red_foo = red_foo.stylize_before("blue", 4, 7)
# Another span is appended
assert red_foo.spans == [
Span(4, 7, "blue"),
Span(0, 7, "red"),
]
def test_eq() -> None:
"""Test equality."""
assert Content("foo") == Content("foo")
assert Content("foo") == "foo"
assert Content("foo") != Content("bar")
assert Content("foo") != "bar"
def test_add() -> None:
"""Test addition."""
# Simple cases
assert Content("") + Content("") == Content("")
assert Content("foo") + Content("") == Content("foo")
# Works with simple strings
assert Content("foo") + "" == Content("foo")
assert "" + Content("foo") == Content("foo")
# Test spans after addition
content = Content.styled("foo", "red") + " " + Content.styled("bar", "blue")
assert str(content) == "foo bar"
assert content.spans == [Span(0, 3, "red"), Span(4, 7, "blue")]
assert content.cell_length == 7
def test_from_markup():
"""Test simple parsing of Textual markup."""
content = Content.from_markup("[red]Hello[/red] [blue]World[/blue]")
assert len(content) == 11
assert content.plain == "Hello World"
assert content.spans == [
Span(start=0, end=5, style="red"),
Span(start=6, end=11, style="blue"),
]
def test_markup():
"""Test markup round trip"""
content = Content.from_markup("[red]Hello[/red] [blue]World[/blue]")
assert content.plain == "Hello World"
assert content.markup == "[red]Hello[/red] [blue]World[/blue]"
def test_join():
"""Test the join method."""
# Edge cases
assert Content("").join([]) == ""
assert Content(".").join([]) == ""
assert Content("").join(["foo"]) == "foo"
assert Content(".").join(["foo"]) == "foo"
# Join strings and Content
pieces = [Content.styled("foo", "red"), "bar", Content.styled("baz", "blue")]
content = Content(".").join(pieces)
assert content.plain == "foo.bar.baz"
assert content.spans == [Span(0, 3, "red"), Span(8, 11, "blue")]
def test_sort():
"""Test content may be sorted."""
# functools.total_ordering doing most of the heavy lifting here.
contents = sorted([Content("foo"), Content("bar"), Content("baz")])
assert contents[0].plain == "bar"
assert contents[1].plain == "baz"
assert contents[2].plain == "foo"
def test_truncate():
"""Test truncated method."""
content = Content.from_markup("[red]Hello World[/red]")
# Edge case of 0
assert content.truncate(0).markup == ""
# Edge case of 0 wil ellipsis
assert content.truncate(0, ellipsis=True).markup == ""
# Edge case of 1
assert content.truncate(1, ellipsis=True).markup == "[red]…[/red]"
# Truncate smaller
assert content.truncate(3).markup == "[red]Hel[/red]"
# Truncate to same size
assert content.truncate(11).markup == "[red]Hello World[/red]"
# Truncate smaller will ellipsis
assert content.truncate(5, ellipsis=True).markup == "[red]Hell…[/red]"
# Truncate larger results unchanged
assert content.truncate(15).markup == "[red]Hello World[/red]"
# Truncate larger with padding increases size
assert content.truncate(15, pad=True).markup == "[red]Hello World[/red] "
def test_assemble():
"""Test Content.assemble constructor."""
content = Content.assemble(
"Assemble: ", # Simple text
Content.from_markup(
"pieces of [red]text[/red] or [blue]content[/blue] into "
), # Other Content
("a single Content instance", "underline"), # A tuple of text and a style
)
assert (
content.plain
== "Assemble: pieces of text or content into a single Content instance"
)
print(content.spans)
assert content.spans == [
Span(20, 24, style="red"),
Span(28, 35, style="blue"),
Span(41, 66, style="underline"),
]
def test_escape():
"""Test that escaping the first square bracket."""
content = Content.from_markup("\\[bold]Not really bold")
assert content.plain == "[bold]Not really bold"
assert content.spans == []
def test_strip_control_codes():
"""Test that control codes are removed from content."""
assert Content("foo\r\nbar").plain == "foo\nbar"
assert Content.from_markup("foo\r\nbar").plain == "foo\nbar"
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