Render histograms without spaces between bins

This makes it easier to read the histogram. Signed-off-by: Matt Wozniski <[email protected]>
bloomberg · Mar 7, 2024 · 26b5ac6 · 26b5ac6
1 parent ef5514c
commit 26b5ac6
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/pytest_memray/plugin.py b/src/pytest_memray/plugin.py
@@ -91,7 +91,7 @@ def cli_hist(data: Iterable[float], bins: int, *, log_scale: bool = True) -> str
     high = max(data)
     data_bins = histogram(data, low=low, high=high, bins=bins)
     bar_indexes = (int(elem * (len(bars) - 1) / max(data_bins)) for elem in data_bins)
-    result = " ".join(bars[bar_index] for bar_index in bar_indexes)
+    result = "".join(bars[bar_index] for bar_index in bar_indexes)
     return result
 
 

diff --git a/tests/test_utils.py b/tests/test_utils.py
@@ -134,7 +134,7 @@ def test_histogram_with_zero_byte_allocations():
     histogram = cli_hist(allocations, bins=5)
 
     # THEN
-    assert histogram == "▄   ▄ █ ▄"
+    assert histogram == "▄ ▄█▄"
 
 
 def test_histogram_with_only_zero_byte_allocations():
@@ -145,4 +145,4 @@ def test_histogram_with_only_zero_byte_allocations():
     histogram = cli_hist(allocations, bins=5)
 
     # THEN
-    assert histogram == "█        "
+    assert histogram == "█    "