Snapshot tests

Author: darrenburns

.gitignore

@@ -1,4 +1,4 @@
-.sample_data/
+tests/.sample_data/
 
 
 # Byte-compiled / optimized / DLL files

poetry.lock

@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "rich-pixels"
 version = "1.0.0"
-description = "A Rich-compatible library for writing pixels and other colourful grids to the terminal."
+description = "A Rich-compatible library for writing pixel images and ASCII art to the terminal."
 authors = ["Darren Burns <darrenb900@gmail.com>"]
 readme = "README.md"
 packages = [{ include = "rich_pixels" }]
@@ -16,9 +16,9 @@ pillow = "^9.0.0"
 image = ["Pillow"]
 
 [tool.poetry.group.dev.dependencies]
-ward = "^0.67.0b0"
 black = "^22.10.0"
 mypy = "^0.990"
+syrupy = "^3.0.5"
 
 [build-system]
 requires = ["poetry-core"]

pyproject.toml

@@ -127,7 +127,7 @@ def __rich_console__(
 if __name__ == '__main__':
     console = Console()
     images_path = Path(__file__).parent / "../.sample_data/images"
-    pixels = Pixels.from_image_path(images_path / "1.png")
+    pixels = Pixels.from_image_path(images_path / "bulbasaur.png")
     console.print(pixels)
 
     grid = """\

rich_pixels/_pixel.py

@@ -0,0 +1,44 @@
+from pathlib import Path
+
+import pytest
+from rich.align import Align
+from rich.console import Console
+from rich.segment import Segment
+from rich.style import Style
+from syrupy.extensions.image import SVGImageSnapshotExtension
+
+from rich_pixels import Pixels
+
+SAMPLE_DATA_DIR = Path(__file__).parent / ".sample_data/"
+
+
+@pytest.fixture
+def svg_snapshot(snapshot):
+    return snapshot.use_extension(SVGImageSnapshotExtension)
+
+
+def get_console():
+    console = Console(record=True)
+    return console
+
+
+def test_png_image_path(svg_snapshot):
+    console = get_console()
+    pixels = Pixels.from_image_path(SAMPLE_DATA_DIR / "images/bulbasaur.png")
+    console.print(pixels)
+    svg = console.export_svg()
+    assert svg == svg_snapshot
+
+
+def test_ascii_text(svg_snapshot):
+    console = get_console()
+    ascii = (SAMPLE_DATA_DIR / "ascii/rich_pixels.txt").read_text(encoding="utf-8")
+    mapping = {"#": Segment(" ", Style.parse("on #50b332")),
+               "=": Segment(" ", Style.parse("on #10ada3"))}
+    pixels = Pixels.from_ascii(
+        ascii,
+        mapping=mapping,
+    )
+    console.print(Align.center(pixels))
+    svg = console.export_svg(title="pixels in the terminal")
+    assert svg == svg_snapshot