project_tester: nits and TODO

tests/project_tester

@@ -7,6 +7,8 @@ import argparse
 import itertools
 import tempfile
 
+#TODO print effective project list for each instance!!!
+#TODO only try to run the valid combinations!!! (currently opp_end fails with "cannot satisfy")
 parser = argparse.ArgumentParser(description="Run tests for a project.")
 parser.add_argument("--workspace", help="Path to the workspace to use for the test. Default is a temporary directory.")
 parser.add_argument("--dry-run", default=False, action='store_true', help="Do not actually run the test program")
@@ -17,11 +19,10 @@ parser.add_argument("--postcmd", help="Command to run after each test case. Not
 parser.add_argument("-f", "--testcase-file", help="File that contains one test case (one or more project filters) per line. These test cases will be done in addition to the ones specified on the command line.")
 parser.add_argument("command", help="opp_env subcommand to use for running the tests: download, build, etc.")
 parser.add_argument("project_filters", nargs="*", metavar="project-filter", help="""
-Projects to include in the test runs. Explicit project versions, project names, and their
-regular expressions are accepted (substring match is done). The Cartesian product of the expanded lists
-from each argument generate the test runs. Be sure to protect regexes with single quotes to prevent the
-shell from expanding them with the list of files/directories in the current directory.""".replace("\n", " "))
-
+    Projects to include in the test runs. Explicit project versions, project names, and their
+    regular expressions are accepted (substring match is done). The Cartesian product of the expanded lists
+    from each argument generate the test runs. Be sure to protect regexes with single quotes to prevent the
+    shell from expanding them with the list of files/directories in the current directory.""")
 args = parser.parse_args()
 
 # Set variables for program names