[qu2cu_cli_test] Tests

Tests/qu2cu/qu2cu_cli_test.py

@@ -0,0 +1,62 @@
+import os
+
+import pytest
+import py
+
+from fontTools.qu2cu.cli import main
+from fontTools.ttLib import TTFont
+
+
+DATADIR = os.path.join(os.path.dirname(__file__), "data")
+
+TEST_TTFS = [
+    py.path.local(DATADIR).join("NotoSansArabic-Regular.quadratic.subset.ttf"),
+]
+
+
+@pytest.fixture
+def test_paths(tmpdir):
+    result = []
+    for path in TEST_TTFS:
+        new_path = tmpdir / path.basename
+        path.copy(new_path)
+        result.append(new_path)
+    return result
+
+
+class MainTest(object):
+    @staticmethod
+    def run_main(*args):
+        main([str(p) for p in args if p])
+
+    def test_no_output(self, test_paths):
+        ttf_path = test_paths[0]
+
+        self.run_main(ttf_path)
+
+        output_path = str(ttf_path).replace(".ttf", ".cubic.ttf")
+        font = TTFont(output_path)
+        assert font["head"].glyphDataFormat == 1
+        assert os.stat(ttf_path).st_size > os.stat(output_path).st_size
+
+    def test_output_file(self, test_paths):
+        ttf_path = test_paths[0]
+        output_path = str(ttf_path) + ".cubic"
+
+        self.run_main(ttf_path, "-o", output_path)
+
+        font = TTFont(output_path)
+        assert font["head"].glyphDataFormat == 1
+
+    def test_stats(self, test_paths):
+        ttf_path = test_paths[0]
+        self.run_main(ttf_path, "--verbose")
+
+    def test_all_cubic(self, test_paths):
+        ttf_path = test_paths[0]
+
+        self.run_main(ttf_path, "-c")
+
+        output_path = str(ttf_path).replace(".ttf", ".cubic.ttf")
+        font = TTFont(output_path)
+        assert font["head"].glyphDataFormat == 1