Golang LogAdapter示例

示例#1

文件： adapter_test.go 项目： ajoulie/goa

import (
	"bytes"

	"golang.org/x/net/context"

	"github.com/go-kit/kit/log"
	"github.com/goadesign/goa"
	"github.com/goadesign/goa/logging/kit"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("New", func() {
	var buf bytes.Buffer
	var logger log.Logger
	var adapter goa.LogAdapter

	BeforeEach(func() {
		logger = log.NewLogfmtLogger(&buf)
		adapter = goakit.New(logger)
	})

	It("creates an adapter that logs", func() {
		msg := "msg"
		adapter.Info(msg)
		Ω(buf.String()).Should(Equal("lvl=info msg=" + msg + "\n"))
	})
})

var _ = Describe("FromContext", func() {
	var buf bytes.Buffer

示例#2

文件： logging_test.go 项目： ajoulie/goa

			Ω(func() { goa.LogInfo(context.Background(), "foo", "bar") }).ShouldNot(Panic())
		})
	})
})

var _ = Describe("Error", func() {
	Context("with a nil Log", func() {
		It("doesn't log and doesn't crash", func() {
			Ω(func() { goa.LogError(context.Background(), "foo", "bar") }).ShouldNot(Panic())
		})
	})
})

var _ = Describe("LogAdapter", func() {
	Context("with a valid Log", func() {
		var logger goa.LogAdapter
		const msg = "message"
		data := []interface{}{"data", "foo"}

		var out bytes.Buffer

		BeforeEach(func() {
			stdlogger := log.New(&out, "", log.LstdFlags)
			logger = goa.NewLogger(stdlogger)
		})

		It("Info logs", func() {
			logger.Info(msg, data...)
			Ω(out.String()).Should(ContainSubstring(msg + " data=foo"))
		})