"""Tests for the ASCII Banner MCP server tools."""
from ascii_banner_mcp.server import generate_banner, get_fonts
class TestGetFonts:
"""Tests for get_fonts tool."""
def test_returns_list(self) -> None:
fonts = get_fonts()
assert isinstance(fonts, list)
assert len(fonts) > 0
def test_all_elements_are_strings(self) -> None:
fonts = get_fonts()
assert all(isinstance(f, str) for f in fonts)
def test_contains_common_fonts(self) -> None:
fonts = get_fonts()
for name in ("standard", "slant", "block", "big"):
assert name in fonts, f"Expected font '{name}' in {fonts[:10]}..."
class TestGenerateBanner:
"""Tests for generate_banner tool."""
def test_generates_ascii_art(self) -> None:
result = generate_banner("Hi", font="standard")
assert isinstance(result, str)
assert len(result) > 0
assert "\n" in result
# ASCII art uses block chars, not literal "Hi"
assert result.strip()
def test_default_font_is_standard(self) -> None:
result = generate_banner("A")
assert result
assert "\n" in result
def test_slant_font(self) -> None:
result = generate_banner("Hello", font="slant")
assert isinstance(result, str)
assert len(result) > 10
assert "\n" in result
def test_unknown_font_returns_error_message(self) -> None:
result = generate_banner("x", font="nonexistent_font_xyz")
assert "Error" in result
assert "nonexistent_font_xyz" in result
assert "get_fonts" in result
