Add support for codecov. (#427)

Author: Bogdan Drutu

.travis.yml

@@ -11,4 +11,11 @@ env:
 
 install:
   - make install-tools
-  - go get -t -v ./...
+
+script:
+  - make fmt
+  - make lint
+  - make test-with-coverage
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

Makefile

@@ -1,6 +1,7 @@
 ALL_SRC := $(shell find . -type f -name '*.go' -not -path "./vendor/*")
 
 GOTEST_OPT?=-v -race -timeout 30s
+GOTEST_OPT_WITH_COVERAGE = $(GOTEST_OPT) -coverprofile=coverage.txt -covermode=atomic
 GOTEST=go test
 GOFMT=gofmt
 GOLINT=golint
@@ -23,6 +24,10 @@ default_goal: fmt lint test
 test:
 	$(GOTEST) $(GOTEST_OPT) ./...
 
+.PHONY: test-with-coverage
+test-with-coverage:
+	$(GOTEST) $(GOTEST_OPT_WITH_COVERAGE) ./...
+
 .PHONY: fmt
 fmt:
 	@FMTOUT=`$(GOFMT) -s -l $(ALL_SRC) 2>&1`; \