From caa22e5bbd158fd8d563588293aa763ca5801bed Mon Sep 17 00:00:00 2001
From: "Juan J. Martínez" <jjm@usebox.net>
Date: Sat, 2 Oct 2021 12:33:04 +0000
Subject: Start the test suite

---
 tests/Makefile    | 10 ++++++++++
 tests/README.md   | 14 ++++++++++++++
 tests/test_rom.py | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 tests/Makefile
 create mode 100644 tests/README.md
 create mode 100755 tests/test_rom.py

(limited to 'tests')

diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..6c1a9a4
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,10 @@
+default:
+	$(error Please use the Makefile from root directory)
+
+TESTS := $(wildcard test_*.py)
+
+test:
+	python3 -m unittest $(TESTS)
+
+.PHONY: test default
+
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..c0139a8
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,14 @@
+# ubox MSX lib test suite
+
+The tests are written in python 3 and follow this convention:
+
+| Test class | Filename |
+| --- | --- |
+| TestMyCase | test_my_case.py |
+
+See `test_rom.py` as an example.
+
+Remember to make the test file executable!
+
+**TODO**: add a module to support openMSX remote control.
+
diff --git a/tests/test_rom.py b/tests/test_rom.py
new file mode 100755
index 0000000..7ba6992
--- /dev/null
+++ b/tests/test_rom.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import unittest
+import struct
+
+
+class TestRom(unittest.TestCase):
+    """Test that the generated game ROM is correct."""
+
+    ROM_SIZE = 0x8000
+
+    @classmethod
+    def setUpClass(cls):
+        with open("../bin/game.rom", "rb") as fd:
+            cls.data = fd.read(cls.ROM_SIZE)
+
+        with open("../game/build/game.map", "rb") as fd:
+            game_map = fd.readlines()
+
+        cls.main_init = 0
+        for line in game_map:
+            if b"_main_init" in line:
+                cls.main_init = int(line.split()[0], 16)
+                break
+
+    def test_header_magic(self):
+        self.assertEqual(self.data[:2], b"AB")
+
+    def test_size(self):
+        self.assertEqual(len(self.data), self.ROM_SIZE)
+
+    def test_header_main_init_address(self):
+        self.assertEqual(struct.unpack("H", self.data[2:4]), (self.main_init,))
+
+
+if __name__ == '__main__':
+    unittest.main()
-- 
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