Add note about how to test local repositories. Add a flag for local r…

…epository testing.

README.md

@@ -11,6 +11,7 @@ The PLplot docker image repository is [here](https://hub.docker.com/u/plplot/)
 
 ### Basic Testing ###
 
+#### SF repository master ####
 ```sh
 docker run plplot/XXX 2>&1 | tee XXX.txt
 ```
@@ -21,15 +22,27 @@ Where XXX is a docker image, for example:
 docker run plplot/debian-latest 2>&1 | tee debian-latest.txt
 ```
 
+#### Local repository ####
+
+```sh
+docker run -v /absolute/path/to/local/plplot:/plplot_repo plplot/debian-latest 2>&1 | tee debian-latest.txt
+```
+
 ### Comprehensive Testing ###
 
 ```sh
 python pull_all.py  # This will pull the latest images.
 python test_all.py
 ```
 
-Note: By default test_all.py will test two images at once, if you want to run more (or less) tests in parallel use the --max_processes argument.
+By default test_all.py will test two images at once, if you want to run more (or less) tests in parallel use the --max_processes argument.
 
 ```sh
 python test_all.py --max_processes 10
 ```
+
+If you want to test a local repository use the --plplot_repo argument.
+
+```sh
+python test_all.py --plplot_repo /absolute/path/to/local/plplot_repo
+```

test_all.py

@@ -16,12 +16,18 @@
 parser.add_argument('--max_processes', dest='maxp', type=int, required=False, default=2,
                     help = "The maximum number of processes to run in parallel.")
 
+parser.add_argument('--plplot_repo', dest='plplot_repo', type=str, required=False, default="",
+                    help = "Absolute path to a local repository.")
+
 args = parser.parse_args()
 
 
 def mp_worker(docker_image):
     print("Starting", docker_image)
-    cmd = ["docker", "run", docker_image]
+    if (len(args.plplot_repo) > 0):
+        cmd = ["docker", "run", "-v", args.plplot_repo + ":/plplot_repo", docker_image]        
+    else:
+        cmd = ["docker", "run", docker_image]
     out = subprocess.check_output(cmd, stderr = subprocess.STDOUT)
     with open(docker_image.split("/")[1] + ".txt", "wb") as outfp:
         outfp.write(out)