add initial set of unit tests

Author: chrissimpkins

tests/test_size.py

@@ -0,0 +1,121 @@
+from pathlib import Path
+
+from fontTools.ttLib import TTFont
+
+import pytest
+
+from fontsize.size import FontSize
+
+
+def get_ttf_fontpath():
+    return Path("tests/fonts/Inter-Regular.ttf")
+
+
+def get_otf_fontpath():
+    return Path("tests/fonts/Inter-Regular.otf")
+
+
+def get_woff_fontpath():
+    return Path("tests/fonts/Inter-Regular.woff")
+
+
+def get_woff2_fontpath():
+    return Path("tests/fonts/Inter-Regular.woff2")
+
+
+def test_fontsize_obj_instantiation_with_ttf():
+    fs = FontSize(get_ttf_fontpath())
+    assert type(fs.ttfont) is TTFont
+    assert fs.filepath == get_ttf_fontpath()
+    assert fs.total_glyphs == 2548
+    assert fs.encoded_glyphs == 2500
+    assert fs.total_bytes == 680112
+    assert fs.per_enc_glyph_bytes == 680112 / 2500
+    assert fs.per_total_glyph_bytes == 680112 / 2548
+    assert len(fs.tables) == 17
+    expected_tables = [
+        "GDEF",
+        "GPOS",
+        "GSUB",
+        "OS/2",
+        "cmap",
+        "cvt ",
+        "fpgm",
+        "gasp",
+        "glyf",
+        "head",
+        "hhea",
+        "hmtx",
+        "loca",
+        "maxp",
+        "name",
+        "post",
+        "prep",
+    ]
+    for table in expected_tables:
+        assert table in fs.tables
+
+    # confirmed with data output from DTL OTM
+    assert fs.tables["GDEF"] == 1030
+    assert fs.tables["GPOS"] == 69754
+    assert fs.tables["GSUB"] == 22092
+    assert fs.tables["OS/2"] == 96
+    assert fs.tables["cmap"] == 25916
+    assert fs.tables["cvt "] == 316
+    assert fs.tables["fpgm"] == 3605
+    assert fs.tables["gasp"] == 8
+    assert fs.tables["glyf"] == 508792
+    assert fs.tables["head"] == 54
+    assert fs.tables["hhea"] == 36
+    assert fs.tables["hmtx"] == 10190
+    assert fs.tables["loca"] == 10196
+    assert fs.tables["maxp"] == 32
+    assert fs.tables["name"] == 1682
+    assert fs.tables["post"] == 25775
+    assert fs.tables["prep"] == 239
+
+
+def test_fontsize_obj_instantiation_with_otf():
+    fs = FontSize(get_otf_fontpath())
+    assert type(fs.ttfont) is TTFont
+    assert fs.filepath == get_otf_fontpath()
+    assert fs.total_glyphs == 2548
+    assert fs.encoded_glyphs == 2500
+    assert fs.total_bytes == 254772
+    assert fs.per_enc_glyph_bytes == 254772 / 2500
+    assert fs.per_total_glyph_bytes == 254772 / 2548
+    assert len(fs.tables) == 12
+    expected_tables = [
+        "CFF ",
+        "GDEF",
+        "GPOS",
+        "GSUB",
+        "OS/2",
+        "cmap",
+        "head",
+        "hhea",
+        "hmtx",
+        "maxp",
+        "name",
+        "post",
+    ]
+    for table in expected_tables:
+        assert table in fs.tables
+
+    # confirmed with data from DTL OTM
+    assert fs.tables["CFF "] == 123697
+    assert fs.tables["GDEF"] == 1030
+    assert fs.tables["GPOS"] == 69754
+    assert fs.tables["GSUB"] == 22092
+    assert fs.tables["OS/2"] == 96
+    assert fs.tables["cmap"] == 25916
+    assert fs.tables["head"] == 54
+    assert fs.tables["hhea"] == 36
+    assert fs.tables["hmtx"] == 10190
+    assert fs.tables["maxp"] == 6
+    assert fs.tables["name"] == 1650
+    assert fs.tables["post"] == 32
+
+
+# TODO: add woff tests
+# TODO: add woff2 tests