Add integration test to code coverage metrics (#1010)

Go 1.10 removes the need to run each test separately with the -coverprofile flag.

* Include integration tests in coverage
* Remove parallel from travis build script.
* codecovio automatically merges coverage profiles

.gitignore

@@ -14,3 +14,4 @@ genfiles/*
 travis_secrets.tar.gz
 service_key.json
 client_secret*.json
+coverage.txt

.travis.yml

@@ -17,18 +17,17 @@ addons:
   apt:
     packages:
     - python3-pip
-    - parallel
 
 install:
   - go get -u github.com/alecthomas/gometalinter
   - gometalinter --install 
   - go get -t ./...
 
 script:
-  - export TRILLIAN_SQL_DRIVER=mysql
   - make
   - gometalinter --config=gometalinter.json ./...
-  - ./coverage.sh
+  - go test ./... -coverprofile=coverage1.txt
+  - TRILLIAN_SQL_DRIVER=mysql go test ./impl/integration/ -coverprofile=coverage2.txt -coverpkg=./...
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

Makefile

@@ -36,7 +36,7 @@ test: main
 	TRILLIAN_SQL_DRIVER=mysql go test ./...
 
 coverage: main
-	TRILLIAN_SQL_DRIVER=mysql go test ./... -cover 
+	TRILLIAN_SQL_DRIVER=mysql go test ./... -cover
 
 check:
 	gometalinter --config=gometalinter.json ./...