From 8212916aa4336cf5b25b0e1a3ece15e881a7e7ba Mon Sep 17 00:00:00 2001
From: Miguel Sousa <msousa@adobe.com>
Date: Mon, 6 Mar 2017 02:52:06 -0800
Subject: [PATCH] [varLib tests] Test for interpolatable.py

---
 Tests/varLib/interpolatable_test.py | 78 +++++++++++++++++++++++++++++
 setup.py                            |  1 +
 test-requirements.txt               |  1 +
 tox.ini                             |  1 +
 4 files changed, 81 insertions(+)
 create mode 100644 Tests/varLib/interpolatable_test.py
 create mode 100644 test-requirements.txt

diff --git a/Tests/varLib/interpolatable_test.py b/Tests/varLib/interpolatable_test.py
new file mode 100644
index 000000000..035f7cef6
--- /dev/null
+++ b/Tests/varLib/interpolatable_test.py
@@ -0,0 +1,78 @@
+from __future__ import print_function, division, absolute_import
+from fontTools.misc.py23 import *
+from fontTools.ttLib import TTFont
+from fontTools.varLib.interpolatable import main as interpolatable_main
+import os
+import shutil
+import sys
+import tempfile
+import unittest
+
+
+class InterpolatableTest(unittest.TestCase):
+    def __init__(self, methodName):
+        unittest.TestCase.__init__(self, methodName)
+        # Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
+        # and fires deprecation warnings if a program uses the old name.
+        if not hasattr(self, "assertRaisesRegex"):
+            self.assertRaisesRegex = self.assertRaisesRegexp
+
+    def setUp(self):
+        self.tempdir = None
+        self.num_tempfiles = 0
+
+    def tearDown(self):
+        if self.tempdir:
+            shutil.rmtree(self.tempdir)
+
+    @staticmethod
+    def get_test_input(test_file_or_folder):
+        path, _ = os.path.split(__file__)
+        return os.path.join(path, "data", test_file_or_folder)
+
+    @staticmethod
+    def get_file_list(folder, suffix, prefix=''):
+        all_files = os.listdir(folder)
+        file_list = []
+        for p in all_files:
+            if p.startswith(prefix) and p.endswith(suffix):
+                file_list.append(os.path.abspath(os.path.join(folder, p)))
+        return file_list
+
+    def temp_path(self, suffix):
+        self.temp_dir()
+        self.num_tempfiles += 1
+        return os.path.join(self.tempdir,
+                            "tmp%d%s" % (self.num_tempfiles, suffix))
+
+    def temp_dir(self):
+        if not self.tempdir:
+            self.tempdir = tempfile.mkdtemp()
+
+    def compile_font(self, path, suffix, temp_dir):
+        ttx_filename = os.path.basename(path)
+        savepath = os.path.join(temp_dir, ttx_filename.replace('.ttx', suffix))
+        font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
+        font.importXML(path)
+        font.save(savepath, reorderTables=None)
+        return font, savepath
+
+# -----
+# Tests
+# -----
+
+    def test_interpolatable_ttf(self):
+        suffix = '.ttf'
+        ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
+
+        self.temp_dir()
+        ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
+        for path in ttx_paths:
+            self.compile_font(path, suffix, self.tempdir)
+
+        ttf_paths = self.get_file_list(self.tempdir, suffix)
+        self.assertIsNone(interpolatable_main(ttf_paths))
+
+
+if __name__ == "__main__":
+    sys.exit(unittest.main())
diff --git a/setup.py b/setup.py
index e1c99b825..adfca6af4 100755
--- a/setup.py
+++ b/setup.py
@@ -326,6 +326,7 @@ setup(
 	setup_requires=pytest_runner + wheel + bumpversion,
 	tests_require=[
 		'pytest>=3.0',
+		'munkres',
 	],
 	entry_points={
 		'console_scripts': [
diff --git a/test-requirements.txt b/test-requirements.txt
new file mode 100644
index 000000000..87b7de336
--- /dev/null
+++ b/test-requirements.txt
@@ -0,0 +1 @@
+munkres
diff --git a/tox.ini b/tox.ini
index 78c42a34b..45af3e4a0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,6 +11,7 @@ basepython =
 deps =
     cov: coverage>=4.3
     pytest
+    munkres
     -rrequirements.txt
 install_command =
     pip install -v {opts} {packages}