From 92eea7a9cc5022750e82ba07da96612bdea03f72 Mon Sep 17 00:00:00 2001
From: hugovk <hugovk@users.noreply.github.com>
Date: Mon, 12 May 2014 17:32:04 +0300
Subject: [PATCH] Tests for ImageDraw

---
 Tests/images/imagedraw_arc.png      | Bin 0 -> 284 bytes
 Tests/images/imagedraw_chord.png    | Bin 0 -> 326 bytes
 Tests/images/imagedraw_ellipse.png  | Bin 0 -> 491 bytes
 Tests/images/imagedraw_pieslice.png | Bin 0 -> 405 bytes
 Tests/test_imagedraw.py             | 106 ++++++++++++++++++++++++++++
 5 files changed, 106 insertions(+)
 create mode 100644 Tests/images/imagedraw_arc.png
 create mode 100644 Tests/images/imagedraw_chord.png
 create mode 100644 Tests/images/imagedraw_ellipse.png
 create mode 100644 Tests/images/imagedraw_pieslice.png

diff --git a/Tests/images/imagedraw_arc.png b/Tests/images/imagedraw_arc.png
new file mode 100644
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diff --git a/Tests/test_imagedraw.py b/Tests/test_imagedraw.py
index f8b5c3c5c..11f4fcd91 100644
--- a/Tests/test_imagedraw.py
+++ b/Tests/test_imagedraw.py
@@ -3,6 +3,20 @@ from tester import *
 from PIL import Image
 from PIL import ImageDraw
 
+# Image size
+w, h = 100, 100
+
+# Bounding box points
+x0 = w / 4
+x1 = x0 * 3
+y0 = h / 4
+y1 = x0 * 3
+
+# Two kinds of bounding box
+bbox1 = [(x0, y0), (x1, y1)]
+bbox2 = [x0, y0, x1, y1]
+
+
 def test_sanity():
 
     im = lena("RGB").copy()
@@ -17,6 +31,7 @@ def test_sanity():
 
     success()
 
+
 def test_deprecated():
 
     im = lena().copy()
@@ -26,3 +41,94 @@ def test_deprecated():
     assert_warning(DeprecationWarning, lambda: draw.setink(0))
     assert_warning(DeprecationWarning, lambda: draw.setfill(0))
 
+
+def helper_arc(bbox):
+    # Arrange
+    im = Image.new("RGB", (w, h))
+    draw = ImageDraw.Draw(im)
+
+    # Act
+    # FIXME Should docs note 0 degrees is at 3 o'clock?
+    # FIXME Fill param should be named outline.
+    draw.arc(bbox, 0, 180)
+    del draw
+
+    # Assert
+    assert_image_equal(im, Image.open("Tests/images/imagedraw_arc.png"))
+
+
+# FIXME
+# def test_arc1():
+#     helper_arc(bbox1)
+
+
+def test_arc2():
+    helper_arc(bbox2)
+
+
+def helper_chord(bbox):
+    # Arrange
+    im = Image.new("RGB", (w, h))
+    draw = ImageDraw.Draw(im)
+
+    # Act
+    draw.chord(bbox, 0, 180, fill="red", outline="yellow")
+    del draw
+
+    # Assert
+    assert_image_equal(im, Image.open("Tests/images/imagedraw_chord.png"))
+
+
+# FIXME
+# def test_chord1():
+#     helper_chord(bbox1)
+
+
+def test_chord2():
+    helper_chord(bbox2)
+
+
+def helper_ellipse(bbox):
+    # Arrange
+    im = Image.new("RGB", (w, h))
+    draw = ImageDraw.Draw(im)
+
+    # Act
+    draw.ellipse(bbox, fill="green", outline="blue")
+    del draw
+
+    # Assert
+    assert_image_equal(im, Image.open("Tests/images/imagedraw_ellipse.png"))
+
+
+def test_ellipse1():
+    helper_ellipse(bbox1)
+
+
+def test_ellipse2():
+    helper_ellipse(bbox2)
+
+
+def helper_pieslice(bbox):
+    # Arrange
+    im = Image.new("RGB", (w, h))
+    draw = ImageDraw.Draw(im)
+
+    # Act
+    draw.pieslice(bbox, -90, 45, fill="white", outline="blue")
+    del draw
+
+    # Assert
+    assert_image_equal(im, Image.open("Tests/images/imagedraw_pieslice.png"))
+
+
+# FIXME
+# def test_pieslice1():
+#     helper_pieslice(bbox1)
+
+
+def test_pieslice2():
+    helper_pieslice(bbox2)
+
+
+# End of file