Test against multiple versions of operator-courier.

This will let us test against the currently released version of operator
courier on pypi, as well as whatever they have cooking in their master branch.

An upcoming release (2.0.0) is going to have a small break in backwards
compatibility, handled here.

.travis.yml

@@ -4,11 +4,19 @@ matrix:
   include:
     - dist: trusty
       python: "3.6"
-      env: TOXENV=py36
+      env: TOXENV=py36-courier_released
       after_success: coveralls
     - dist: xenial
       python: "3.7"
-      env: TOXENV=py37
+      env: TOXENV=py37-courier_released
+      after_success: coveralls
+    - dist: trusty
+      python: "3.6"
+      env: TOXENV=py36-courier_master
+      after_success: coveralls
+    - dist: xenial
+      python: "3.7"
+      env: TOXENV=py37-courier_master
       after_success: coveralls
     - dist: xenial
       python: "3.7"

omps/manifests_util.py

@@ -49,6 +49,11 @@ def bundle(self):
     def package_name(self):
         """Returns defined package name from operator bundle"""
         #  op. courier do verification, this should be never empty
-        pkgs_yaml = self.bundle['data']['packages']
+        if hasattr(self.bundle, 'bundle'):
+            # New, op. courier >= 2.0.0
+            pkgs_yaml = self.bundle.bundle['data']['packages']
+        else:
+            # Old, op. courier < 2.0.0
+            pkgs_yaml = self.bundle['data']['packages']
         pkgs = yaml.safe_load(io.StringIO(pkgs_yaml))
         return pkgs[0]['packageName']

tox.ini

@@ -1,8 +1,11 @@
 [tox]
-envlist = py36,py37,flake8
+envlist = py{36,37}-courier_{released,master},flake8
 
 [testenv]
-deps = .[test]
+deps =
+    courier_master: -e git://github.com/operator-framework/operator-courier#egg=operatorcourier
+    courier_released: operator-courier
+    .[test]
 commands = pytest --cov=omps --ignore=tests/integration tests/
 
 [coverage:report]