From 563ee6f98cf92d6a3ac0e370b84c494211bde085 Mon Sep 17 00:00:00 2001
From: Guillaume Ayoub <guillaume@courtbouillon.org>
Date: Tue, 25 Jan 2022 15:57:58 +0100
Subject: [PATCH] Handle break-inside: avoid in tr

Fix #1547.
---
 tests/layout/test_table.py | 34 ++++++++++++++++++++++++++++++++++
 weasyprint/layout/table.py |  5 +++++
 2 files changed, 39 insertions(+)

diff --git a/tests/layout/test_table.py b/tests/layout/test_table.py
index ecf1d3ff1b..4c2b0442f6 100644
--- a/tests/layout/test_table.py
+++ b/tests/layout/test_table.py
@@ -2054,6 +2054,40 @@ def test_table_html_tag():
      ''',
      [1, 2],
      [30, 0, 40]),
+    ('''
+      <style>
+        @page { size: 120px }
+        h1 { height: 30px}
+        td { line-height: 40px }
+        table { table-layout: fixed; width: 100%; orphans: 1; widows: 1 }
+      </style>
+      <h1>Dummy title</h1>
+      <table>
+        <tr><td>r1l1</td></tr>
+        <tr style="break-inside: avoid"><td>r2l1<br>r2l2</td></tr>
+        <tr><td>r3l1</td></tr>
+      </table>
+     ''',
+     [1, 2],
+     [30, 0, 80]),
+    ('''
+      <style>
+        @page { size: 120px }
+        h1 { height: 30px}
+        td { line-height: 40px }
+        table { table-layout: fixed; width: 100%; orphans: 1; widows: 1 }
+      </style>
+      <h1>Dummy title</h1>
+      <table>
+        <tbody>
+          <tr><td>r1l1</td></tr>
+          <tr style="break-inside: avoid"><td>r2l1<br>r2l2</td></tr>
+        </tbody>
+        <tr><td>r3l1</td></tr>
+      </table>
+     ''',
+     [1, 2],
+     [30, 0, 80]),
 ))
 def test_table_page_breaks(html, rows, positions):
     pages = render_pages(html)
diff --git a/weasyprint/layout/table.py b/weasyprint/layout/table.py
index 65de0cf3c0..ef38bb723f 100644
--- a/weasyprint/layout/table.py
+++ b/weasyprint/layout/table.py
@@ -194,6 +194,11 @@ def group_layout(group, position_y, bottom_space, page_is_empty,
                     cell.height = max(cell.height, cell.computed_height)
                 new_row_children.append(cell)
 
+            if resume_at and not page_is_empty:
+                if row.style['break_inside'] in ('avoid', 'avoid-page'):
+                    resume_at = {index_row: {}}
+                    break
+
             row = row.copy_with_children(new_row_children)
 
             # Table height algorithm