From f188fb4c51e41a597fb1f8e4fd406e673a35772a Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Thu, 7 May 2009 09:23:10 -0400
Subject: Add a failing test for running non-.py files on the command line.

---
 test/farm/run/run_xxx.py |  8 ++++++++
 test/farm/run/src/xxx    |  8 ++++++++
 test/test_farm.py        | 20 ++++++++++++++++++--
 3 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 test/farm/run/run_xxx.py
 create mode 100644 test/farm/run/src/xxx

diff --git a/test/farm/run/run_xxx.py b/test/farm/run/run_xxx.py
new file mode 100644
index 0000000..37a2cb5
--- /dev/null
+++ b/test/farm/run/run_xxx.py
@@ -0,0 +1,8 @@
+copy("src", "out")
+run("""
+    coverage -e -x xxx
+    coverage -r
+    """, rundir="out", outfile="stdout.txt")
+contains("out/stdout.txt", "xxx: 3 4 0 7")
+doesnt_contain("out/stdout.txt", "No such file or directory")
+clean("out")
diff --git a/test/farm/run/src/xxx b/test/farm/run/src/xxx
new file mode 100644
index 0000000..6b7eb9e
--- /dev/null
+++ b/test/farm/run/src/xxx
@@ -0,0 +1,8 @@
+# This is a python file though it doesn't look like it, like a main script.
+a = b = c = d = 0
+a = 3
+b = 4
+if not b:
+    c = 6
+d = 7
+print "xxx:", a, b, c, d
diff --git a/test/test_farm.py b/test/test_farm.py
index fa45630..98f4437 100644
--- a/test/test_farm.py
+++ b/test/test_farm.py
@@ -58,7 +58,7 @@ class FarmTestCase(object):
         cwd = self.cd(self.dir)
 
         # Prepare a dictionary of globals for the run.py files to use.
-        fns = "copy run runfunc compare contains clean".split()
+        fns = "copy run runfunc compare contains doesnt_contain clean".split()
         if self.clean_only:
             glo = dict([(fn, self.noop) for fn in fns])
             glo['clean'] = self.clean
@@ -122,16 +122,19 @@ class FarmTestCase(object):
             shutil.rmtree(dst)
         shutil.copytree(src, dst)
 
-    def run(self, cmds, rundir="src"):
+    def run(self, cmds, rundir="src", outfile=None):
         """Run a list of commands.
         
         `cmds` is a string, commands separated by newlines.
         `rundir` is the directory in which to run the commands.
+        `outfile` is a filename to redirect stdout to.
         
         """
         cwd = self.cd(rundir)
         try:
             for cmd in cmds.split("\n"):
+                if not cmd.strip():
+                    continue
                 if subprocess:
                     proc = subprocess.Popen(cmd, shell=True, 
                               stdin=subprocess.PIPE, stdout=subprocess.PIPE,
@@ -143,6 +146,8 @@ class FarmTestCase(object):
                     output = stdouterr.read()
                     retcode = 0 # Can't tell if the process failed.
                 print output,
+                if outfile:
+                    open(outfile, "a+").write(output)
                 if retcode:
                     raise Exception("command exited abnormally")
         finally:
@@ -234,6 +239,17 @@ class FarmTestCase(object):
         for s in strlist:
             assert s in text, "Missing content in %s: %r" % (filename, s)
 
+    def doesnt_contain(self, filename, *strlist):
+        """Check that the file contains none of a list of strings.
+        
+        An assert will be raised if any of the strings in strlist appears in
+        `filename`.
+        
+        """
+        text = open(filename, "r").read()
+        for s in strlist:
+            assert s not in text, "Forbidden content in %s: %r" % (filename, s)
+
     def clean(self, cleandir):
         """Clean `cleandir` by removing it and all its children completely."""
         if os.path.exists(cleandir):
-- 
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