Add strategy index test to travis.

.travis.yml

@@ -30,6 +30,8 @@ script:
   - python doctests.py
   # Run the type checker
   - python run_mypy.py
+  # Check that all strategies are in the index
+  - python run_strategy_indexer.py
 after_success:
   - coveralls
 notifications:

docs/reference/all_strategies.rst

@@ -81,6 +81,9 @@ Here are the docstrings of all the strategies in the library.
 .. automodule:: axelrod.strategies.handshake
    :members:
    :undoc-members:
+.. automodule:: axelrod.strategies.hmm
+   :members:
+   :undoc-members:
 .. automodule:: axelrod.strategies.hunter
    :members:
    :undoc-members:
@@ -93,6 +96,9 @@ Here are the docstrings of all the strategies in the library.
 .. automodule:: axelrod.strategies.mathematicalconstants
    :members:
    :undoc-members:
+.. automodule:: axelrod.strategies.memorytwo
+   :members:
+   :undoc-members:
 .. automodule:: axelrod.strategies.memoryone
    :members:
    :undoc-members:

run_mypy.py

@@ -1,6 +1,7 @@
 import subprocess
 import sys
-modules = ["axelrod/actions.py",
+modules = ["run_strategy_indexer.py",
+           "axelrod/actions.py",
            "axelrod/deterministic_cache.py",
            "axelrod/ecosystem.py",
            "axelrod/game.py",

run_strategy_indexer.py

@@ -0,0 +1,49 @@
+"""
+A script to check that all strategy modules have been included in
+`./docs/reference/all_strategies.rst`
+"""
+import sys
+import pathlib
+
+default_index_path = pathlib.Path("./docs/reference/all_strategies.rst")
+excluded_modules = ("_strategies", "__init__", "_filters", "human")
+
+def check_module(module_path: pathlib.Path,
+                 index_path: pathlib.Path=default_index_path,
+                 excluded: tuple=excluded_modules) -> bool:
+    """
+    Check if a module name is written in the index of strategies.
+
+    Parameters
+    ----------
+    module_path :
+        A file path for a module file.
+    index_path :
+        A file path for the index file where all strategies are auto documented
+    excluded :
+        A collection of module names to be ignored
+
+    Returns
+    -------
+    boolean :
+        True/False if module is referenced.
+
+    """
+    strategies_index = index_path.read_text()
+    module_name = module_path.stem
+    if module_name not in excluded and module_name not in strategies_index:
+        print("{} not in index".format(module_name))
+        return False
+    return True
+
+
+if __name__ == "__main__":
+
+    p = pathlib.Path('.')
+    modules = p.glob("./axelrod/strategies/*.py")
+    exit_codes = []
+
+    for module_path in modules:
+        exit_codes.append(int(not check_module(module_path)))
+
+    sys.exit(max(exit_codes))