Minor improvements to testing framework

- Moved scripts into scripts folder
- Removed what have been relatively unhelpful assert printing

scripts/test.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python2
+
+import re
+import sys
+import subprocess
+import os
+
+def generate(test):
+    with open("scripts/template.fmt") as file:
+        template = file.read()
+
+    lines = []
+    for line in re.split('(?<=(?:.;| [{}]))\n', test.read()):
+        match = re.match('(?: *\n)*( *)(.*)=>(.*);', line, re.DOTALL | re.MULTILINE)
+        if match:
+            tab, test, expect = match.groups()
+            lines.append(tab+'test = {test};'.format(test=test.strip()))
+            lines.append(tab+'test_assert("{name}", test, {expect});'.format(
+                    name = re.match('\w*', test.strip()).group(),
+                    expect = expect.strip()))
+        else:
+            lines.append(line)
+
+    # Create test file
+    with open('test.c', 'w') as file:
+        file.write(template.format(tests='\n'.join(lines)))
+
+    # Remove build artifacts to force rebuild
+    try:
+        os.remove('test.o')
+        os.remove('lfs')
+    except OSError:
+        pass
+
+def compile():
+    subprocess.check_call([
+            os.environ.get('MAKE', 'make'),
+            '--no-print-directory', '-s'])
+
+def execute():
+    if 'EXEC' in os.environ:
+        subprocess.check_call([os.environ['EXEC'], "./lfs"])
+    else:
+        subprocess.check_call(["./lfs"])
+
+def main(test=None):
+    if test and not test.startswith('-'):
+        with open(test) as file:
+            generate(file)
+    else:
+        generate(sys.stdin)
+
+    compile()
+
+    if test == '-s':
+        sys.exit(1)
+
+    execute()
+
+if __name__ == "__main__":
+    main(*sys.argv[1:])