add outline of integration tests workshop

Author: jakubzitny

integration-tests.md

@@ -1,2 +1,53 @@
 # Integration tests
 
+- about webdev / testing
+- outline
+- unit tests recap
+
+- integration tests motivation
+  - unit tests for business logic
+    - "testing integration of your own and third-party modules"
+  - test components / modules / dependencies links
+  - examples:
+    - external library / dependency calls, function signatures
+    - child DOM subtrees / components
+    - API calls
+    - file system calls
+    - database calls
+    - logging / tracking ?
+
+- 90's books definitions
+  - big bang approach
+  - top-down (gradually un-mock more and more components)
+  - bottom-up
+  - sandwich (top-down + bottom-up)
+
+- fowler's definitions and narrow vs broad integration tests
+
+- best practices
+  - separate unit / integration (and know the difference!)
+  - integrate into ci
+
+- snapshots demo
+  - shallow vs mount
+  - travis config
+
+- cypress demo
+
+
+- concl
+  - how to connect to backend for e2e tests?
+    - use fake api service like Apiary
+    - dockerized fake backend
+    - requests to real backend on testing/production
+  - what approach to integration tests should we take (common sense again)
+
+- teaser for next week
+  - more complex Cypress tests
+  - adding Cypress to CI
+  - automated E2E testing fails / history / future
+  - user testing sessions
+
+- resources
+  - https://martinfowler.com/bliki/IntegrationTest.html
+  - https://www.youtube.com/playlist?list=PLZ66c9_z3umNSrKSb5cmpxdXZcIPNvKGw