build: Fix appveyor.yml to report windows coverage as well. (#2666)

appveyor.yml

@@ -9,7 +9,7 @@ platform: x64
 
 clone_folder: c:\gopath\src\github.com\minio\minio
 
-# environment variables
+# Environment variables
 environment:
   GOPATH: c:\gopath
   GO15VENDOREXPERIMENT: 1
@@ -19,21 +19,36 @@ install:
   - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
   - go version
   - go env
+  - python --version
 
-# to run your custom scripts instead of automatic MSBuild
+# To run your custom scripts instead of automatic MSBuild
 build_script:
-  - go test -race github.com/minio/minio/cmd...
-  - go test -race github.com/minio/minio/pkg...
-  - go test -coverprofile=coverage.txt -covermode=atomic
+  # Compile
+  - appveyor AddCompilationMessage "Starting Compile"
+  - cd c:\gopath\src\github.com\minio\minio
   - go run buildscripts/gen-ldflags.go > temp.txt
   - set /p BUILD_LDFLAGS=<temp.txt
   - go build -ldflags="%BUILD_LDFLAGS%" -o %GOPATH%\bin\minio.exe
+  - appveyor AddCompilationMessage "Compile Success"
 
-after_test:
-  - bash <(curl -s https://codecov.io/bash)
+# To run your custom scripts instead of automatic tests
+test_script:
+  # Unit tests
+  - ps: Add-AppveyorTest "Unit Tests" -Outcome Running
+  - mkdir build\coverage
+  - go test -race github.com/minio/minio/cmd...
+  - go test -race github.com/minio/minio/pkg...
+  - go test -coverprofile=build\coverage\coverage.txt -covermode=atomic github.com/minio/minio/cmd
+  - ps: Update-AppveyorTest "Unit Tests" -Outcome Passed
 
-# to disable automatic tests
-test: off
+after_test:
+  - go tool cover -html=build\coverage\coverage.txt -o build\coverage\coverage.html
+  - ps: Push-AppveyorArtifact build\coverage\coverage.txt
+  - ps: Push-AppveyorArtifact build\coverage\coverage.html
+  # Upload coverage report.
+  - "SET PATH=C:\\Python34;C:\\Python34\\Scripts;%PATH%"
+  - pip install codecov
+  - codecov -X gcov -f "build\coverage\coverage.txt"
 
 # to disable deployment
 deploy: off