53 lines
2.2 KiB
Python
53 lines
2.2 KiB
Python
"""Visible geometry and evidence boundaries of the terminal volume plot."""
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from fenris.activity_plot import VolumePoint, volume_plot
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from fenris.themes import get_graph_colors
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def plot(points, selected=-1, width=48, height=10):
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return volume_plot(points, width, height, selected, get_graph_colors("chalktone"))
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def test_trace_fits_viewport_and_uses_time_not_sample_index():
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points = [VolumePoint(t, v, str(t)) for t, v in ((0, 0), (3, 50), (30, 100))]
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text, columns, unit = plot(points)
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assert unit == "B"
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assert len(text.plain.splitlines()) == 10
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assert all(len(line) <= 48 for line in text.plain.splitlines())
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assert columns[1] - columns[0] < (columns[2] - columns[0]) / 5
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assert any(0x2801 <= ord(c) <= 0x28ff for c in text.plain)
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assert not any(c in text.plain for c in "█▒░")
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assert "100.00" in text.plain and "0.00" in text.plain
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def test_gap_breaks_trace_while_measured_zero_stays_on_axis():
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text, columns, _ = plot([
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VolumePoint(0, 0, "00:00"), VolumePoint(1, None, "00:03", "gap"),
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VolumePoint(2, 100, "00:06"),
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])
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rows = text.plain.splitlines()
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assert "?" in rows[-2]
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# No invented intermediate dots on either side of the missing measurement.
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for row in rows[:-2]:
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assert all(c == " " for c in row[columns[0] + 1:columns[-1]])
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assert 0x2801 <= ord(rows[-3][columns[0]]) <= 0x28ff
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def test_partial_and_unallocated_totals_are_isolated_and_labelled():
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text, columns, unit = plot([
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VolumePoint(0, 1_000_000, "01", "partial"),
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VolumePoint(1, 2_000_000, "02", "unallocated"),
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VolumePoint(2, 3_000_000, "03"),
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])
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assert unit == "MB"
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assert "~" in text.plain and "u" in text.plain
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for row in text.plain.splitlines()[:-2]:
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assert all(c == " " for c in row[columns[0] + 1:columns[1]])
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def test_many_intervals_and_selection_fit_small_plot_without_losing_points():
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points = [VolumePoint(i, i % 9 * 1_000_000, str(i)) for i in range(180)]
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text, columns, _ = plot(points, selected=100, width=32, height=6)
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assert len(columns) == len(points)
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assert text.plain.splitlines()[-2][columns[100]] == "▼"
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assert all(len(row) == 32 for row in text.plain.splitlines())
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