chore: apply linter for better quality code (#55)

* apply linter

* update makefile

* update travis yml

.gitignore

@@ -17,4 +17,5 @@ cover.html
 .glide/
 faker
 vendor/
-
+coverage.txt
+bin/

.travis.yml

@@ -2,11 +2,16 @@ language: go
 go:
 - "1.11"
 
+env:
+ - env GO111MODULE=on
+
 before_install:
   - go get -t -v ./...
 
 script:
-  - go test -race -coverprofile=coverage.txt -covermode=atomic
+  - make lint-prepare
+  - make lint
+  - make test 
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

Makefile

@@ -1,17 +1,30 @@
 BINARY=faker
-TESTS=go test $$(go list ./... | grep -v /vendor/) -cover
 
-build:
-	${TESTS}
-	go build -o ${BINARY}
+build: test
+	@go build ./...
 
-install:
-	${TESTS}
-	go build -o ${BINARY}
+test: 
+	@go test -v ./... -cover -race -coverprofile=coverage.txt -covermode=atomic
 
 unittest:
-	go test -short $$(go list ./... | grep -v /vendor/)
+	@go test -v -short ./...
 
+# Linter
+lint-prepare: 
+	@echo "Installing golangci-lint"
+	# @go get -u github.com/golangci/golangci-lint/cmd/golangci-lint 
+	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s v1.13.2
 
+lint: 
+	./bin/golangci-lint run \
+		--exclude="cyclomatic complexity" \
+		--exclude-use-default=false \
+		--enable=golint \
+		--enable=gocyclo \
+		--enable=goconst \
+		--enable=unconvert \
+		./...
 clean:
 	if [ -f ${BINARY} ] ; then rm ${BINARY} ; fi
+
+.PHONY: lint lint-prepare clean build unittest 

address.go

@@ -41,7 +41,7 @@ func (i Address) Latitude(v reflect.Value) (interface{}, error) {
 	kind := v.Kind()
 	val := i.latitute()
 	if kind == reflect.Float32 {
-		return float32(val), nil
+		return val, nil
 	}
 	return float64(val), nil
 }
@@ -55,7 +55,7 @@ func (i Address) Longitude(v reflect.Value) (interface{}, error) {
 	kind := v.Kind()
 	val := i.longitude()
 	if kind == reflect.Float32 {
-		return float32(val), nil
+		return val, nil
 	}
 	return float64(val), nil
 }

datetime_test.go

@@ -20,7 +20,10 @@ func TestUnixTimeValueValid(t *testing.T) {
 	}{
 		some: 1212,
 	}
-	d.UnixTime(reflect.ValueOf(&ref.some).Elem())
+	_, err := d.UnixTime(reflect.ValueOf(&ref.some).Elem())
+	if err != nil {
+		t.Error("function Date need return valid value")
+	}
 
 	if time.Now().Unix() <= ref.some {
 		t.Error("UnixTime should return time <= now")

faker.go

@@ -318,7 +318,7 @@ func getValue(t reflect.Type) (reflect.Value, error) {
 		}
 		return v, nil
 	case reflect.Int:
-		return reflect.ValueOf(int(rand.Intn(100))), nil
+		return reflect.ValueOf(rand.Intn(100)), nil
 	case reflect.Int8:
 		return reflect.ValueOf(int8(rand.Intn(100))), nil
 	case reflect.Int16:

faker_test.go

@@ -416,6 +416,10 @@ type SampleStruct struct {
 	Age  int
 }
 
+func (s SampleStruct) GetName() string {
+	return s.name
+}
+
 func TestUnexportedFieldStruct(t *testing.T) {
 	// This test is to ensure that the faker won't panic if trying to fake data on struct that has unexported field
 	a := new(SampleStruct)
@@ -559,12 +563,14 @@ func TestTagWithPointer(t *testing.T) {
 		School     *School  `faker:"school"`
 	}
 	// With custom provider
-	AddProvider("school", func(v reflect.Value) (interface{}, error) {
+	err := AddProvider("school", func(v reflect.Value) (interface{}, error) {
 		return &School{Location: "Jakarta"}, nil
 	})
-
+	if err != nil {
+		t.Error("Expected Not Error, But Got: ", err)
+	}
 	var sample TestStruct
-	err := FakeData(&sample)
+	err = FakeData(&sample)
 	if err != nil {
 		t.Error("Expected Not Error, But Got: ", err)
 	}

go.mod

@@ -1 +1,49 @@
 module github.com/bxcodec/faker/v3
+
+require (
+	github.com/OpenPeeDeeP/depguard v0.0.0-20181229194401-1f388ab2d810 // indirect
+	github.com/StackExchange/wmi v0.0.0-20181212234831-e0a55b97c705 // indirect
+	github.com/coreos/etcd v3.3.11+incompatible // indirect
+	github.com/fatih/color v1.7.0 // indirect
+	github.com/go-critic/go-critic v0.3.4 // indirect
+	github.com/go-ole/go-ole v1.2.2 // indirect
+	github.com/go-toolsmith/astcast v1.0.0 // indirect
+	github.com/go-toolsmith/astcopy v1.0.0 // indirect
+	github.com/go-toolsmith/astfmt v1.0.0 // indirect
+	github.com/go-toolsmith/astp v1.0.0 // indirect
+	github.com/go-toolsmith/pkgload v1.0.0 // indirect
+	github.com/go-toolsmith/typep v1.0.0 // indirect
+	github.com/gogo/protobuf v1.2.0 // indirect
+	github.com/golang/mock v1.2.0 // indirect
+	github.com/golangci/errcheck v0.0.0-20181223084120-ef45e06d44b6 // indirect
+	github.com/golangci/go-tools v0.0.0-20180902103155-93eecd106a0b // indirect
+	github.com/golangci/gocyclo v0.0.0-20180528144436-0a533e8fa43d // indirect
+	github.com/golangci/gofmt v0.0.0-20181222123516-0b8337e80d98 // indirect
+	github.com/golangci/golangci-lint v1.13.2 // indirect
+	github.com/golangci/lint-1 v0.0.0-20181222135242-d2cdd8c08219 // indirect
+	github.com/golangci/revgrep v0.0.0-20180812185044-276a5c0a1039 // indirect
+	github.com/golangci/tools v0.0.0-20190108095906-d95fd85c147a // indirect
+	github.com/kr/pty v1.1.3 // indirect
+	github.com/mattn/go-isatty v0.0.4 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/nbutton23/zxcvbn-go v0.0.0-20180912185939-ae427f1e4c1d // indirect
+	github.com/onsi/ginkgo v1.7.0 // indirect
+	github.com/onsi/gomega v1.4.3 // indirect
+	github.com/pkg/errors v0.8.1 // indirect
+	github.com/shirou/gopsutil v2.18.12+incompatible // indirect
+	github.com/shurcooL/go v0.0.0-20190121191506-3fef8c783dec // indirect
+	github.com/sirupsen/logrus v1.3.0 // indirect
+	github.com/spf13/afero v1.2.1 // indirect
+	github.com/spf13/cobra v0.0.3 // indirect
+	github.com/spf13/viper v1.3.1 // indirect
+	github.com/stretchr/testify v1.3.0 // indirect
+	github.com/ugorji/go/codec v0.0.0-20190128213124-ee1426cffec0 // indirect
+	golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613 // indirect
+	golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3 // indirect
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
+	golang.org/x/sys v0.0.0-20190130150945-aca44879d564 // indirect
+	golang.org/x/tools v0.0.0-20190131163942-067a2f313b69 // indirect
+	mvdan.cc/unparam v0.0.0-20190131163057-1679b9996abd // indirect
+	sourcegraph.com/sourcegraph/go-diff v0.5.0 // indirect
+	sourcegraph.com/sqs/pbtypes v1.0.0 // indirect
+)