cow lab initialized

grade-lab-cow

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+
+import re
+from gradelib import *
+
+r = Runner(save("xv6.out"))
+
+@test(0, "running cowtest")
+def test_cowtest():
+    r.run_qemu(shell_script([
+        'cowtest'
+    ]), timeout=300)
+
+@test(30, "simple", parent=test_cowtest)
+def test_simple():
+    matches = re.findall("^simple: ok$", r.qemu.output, re.M)
+    assert_equal(len(matches), 2, "Number of appearances of 'simple: ok'")
+
+@test(30, "three", parent=test_cowtest)
+def test_three():
+    matches = re.findall("^three: ok$", r.qemu.output, re.M)
+    assert_equal(len(matches), 3, "Number of appearances of 'three: ok'")
+
+@test(20, "file", parent=test_cowtest)
+def test_file():
+    r.match('^file: ok$')
+
+@test(20, "forkfork", parent=test_cowtest)
+def test_forkfork():
+    r.match('^forkfork: ok$')
+
+@test(0, "usertests")
+def test_usertests():
+    r.run_qemu(shell_script([
+        'usertests -q'
+    ]), timeout=1000)
+    r.match('^ALL TESTS PASSED$')
+
+def usertest_check(testcase, nextcase, output):
+    if not re.search(r'\ntest {}: [\s\S]*OK\ntest {}'.format(testcase, nextcase), output):
+        raise AssertionError('Failed ' + testcase)
+
+@test(5, "usertests: copyin", parent=test_usertests)
+def test_sbrkbugs():
+    usertest_check("copyin", "copyout", r.qemu.output)
+
+@test(5, "usertests: copyout", parent=test_usertests)
+def test_sbrkbugs():
+    usertest_check("copyout", "copyinstr1", r.qemu.output)
+
+@test(19, "usertests: all tests", parent=test_usertests)
+def test_usertests_all():
+    r.match('^ALL TESTS PASSED$')
+
+@test(1, "time")
+def test_time():
+    check_time()
+
+run_tests()