From be86596bb9812a3773b2f967d528d11d1843b74f Mon Sep 17 00:00:00 2001
From: Ilya Dmitrichenko <ilya@xively.com>
Date: Mon, 5 May 2014 16:49:52 +0100
Subject: [PATCH] tools: inline test suite generator.

---
 tools/tinytest-codegen.py | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100755 tools/tinytest-codegen.py

diff --git a/tools/tinytest-codegen.py b/tools/tinytest-codegen.py
new file mode 100755
index 0000000000..af2335a9aa
--- /dev/null
+++ b/tools/tinytest-codegen.py
@@ -0,0 +1,63 @@
+#! /usr/bin/env python3
+
+import os, sys
+from glob import glob
+from re import sub
+
+def escape(s):
+  lookup = {
+    '\0': '\\0',
+    '\t': '\\t',
+    '\n': '\\n\"\n\"',
+    '\r': '\\r',
+    '\\': '\\\\',
+    '\"': '\\\"',
+  }
+  return "\"\"\n\"{}\"".format(''.join([lookup[x] if x in lookup else x for x in s]))
+
+def chew_filename(t):
+  return { 'func': "test_{}_fn".format(sub(r'/|\.|-', '_', t)), 'desc': t.split('/')[1] }
+
+def script_to_map(t):
+  r = { 'name': chew_filename(t)['func'] }
+  with open(t) as f: r['script'] = escape(''.join(f.readlines()))
+  return r
+
+test_function = (
+    "void {name}(void* data) {{\n"
+    "  const char * pystr = {script};\n"
+    "  do_str(pystr);\n"
+    "}}"
+)
+
+testcase_struct = (
+    "struct testcase_t {name}_tests[] = {{\n{body}\n  END_OF_TESTCASES\n}};"
+)
+testcase_member = (
+    "  {{ \"{desc}\", {func}, TT_ENABLED_, 0, 0 }},"
+)
+
+testgroup_struct = (
+    "struct testgroup_t groups[] = {{\n{body}\n  END_OF_GROUPS\n}};"
+)
+testgroup_member = (
+    "  {{ \"{name}/\", {name}_tests }},"
+)
+
+## XXX: may be we could have `--without <groups>` argument...
+test_dirs = ('basics', 'float', 'import', 'io', 'misc')
+
+output = []
+
+for group in test_dirs:
+  tests = glob('{}/*.py'.format(group))
+  output.extend([test_function.format(**script_to_map(test)) for test in tests])
+  testcase_members = [testcase_member.format(**chew_filename(test)) for test in tests]
+  output.append(testcase_struct.format(name=group, body='\n'.join(testcase_members)))
+
+testgroup_members = [testgroup_member.format(name=group) for group in test_dirs]
+
+output.append(testgroup_struct.format(body='\n'.join(testgroup_members)))
+
+## XXX: may be we could have `--output <filename>` argument...
+print('\n\n'.join(output))