Add solid block bar

tests/test_block_bar.py

@@ -0,0 +1,69 @@
+from rich.bar import BlockBar
+
+from .render import render
+
+
+def test_init():
+    bar = BlockBar(completed=50)
+    repr(bar)
+    assert bar.percentage_completed == 50.0
+
+
+def test_update():
+    bar = BlockBar()
+    assert bar.completed == 0
+    assert bar.total == 100
+    bar.update(10, 20)
+    assert bar.completed == 10
+    assert bar.total == 20
+    assert bar.percentage_completed == 50
+    bar.update(100)
+    assert bar.percentage_completed == 100
+
+
+expected = [
+    "\x1b[38;2;249;38;114m█████\x1b[0m\x1b[38;2;249;38;114m▌\x1b[0m\x1b[38;5;237m                                            \x1b[0m",
+    "\x1b[38;2;249;38;114m██████\x1b[0m\x1b[38;5;237m                                            \x1b[0m",
+]
+
+
+def test_render():
+    bar = BlockBar(completed=11, width=50)
+    bar_render = render(bar)
+    assert bar_render == expected[0]
+    bar.update(completed=12)
+    bar_render = render(bar)
+    assert bar_render == expected[1]
+
+
+def test_measure():
+    bar = BlockBar()
+    measurement = bar.__rich_measure__(None, 120)
+    assert measurement.minimum == 4
+    assert measurement.maximum == 120
+
+
+def test_zero_total():
+    # Shouldn't throw zero division error
+    bar = BlockBar(total=0)
+    render(bar)
+
+
+def test_blend():
+    bar = BlockBar(completed=11, width=50, blend_colors=True)
+    bar_render = render(bar)
+    print(repr(bar_render))
+    expected = "\x1b[38;2;234;50;104m█████\x1b[0m\x1b[38;2;234;50;104m▌\x1b[0m\x1b[38;5;237m                                            \x1b[0m"
+    assert bar_render == expected
+
+
+if __name__ == "__main__":
+    bar = BlockBar(completed=11, width=50)
+    bar_render = render(bar)
+    print(repr(bar_render))
+    bar.update(completed=12)
+    bar_render = render(bar)
+    print(repr(bar_render))
+    bar = BlockBar(completed=11, width=50, blend_colors=True)
+    bar_render = render(bar)
+    print(repr(bar_render))