mirror of https://github.com/0xERR0R/blocky.git
122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
package cmd
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import (
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"net"
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"net/http"
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"os"
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"syscall"
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"time"
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"github.com/0xERR0R/blocky/helpertest"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Serve command", func() {
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var tmpDir *helpertest.TmpFolder
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BeforeEach(func() {
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tmpDir = helpertest.NewTmpFolder("config")
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Expect(tmpDir.Error).Should(Succeed())
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DeferCleanup(tmpDir.Clean)
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configPath = defaultConfigPath
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})
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When("Serve command is called with valid config", func() {
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It("should start without error and terminate with signal", func() {
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By("initialize config", func() {
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cfgFile := tmpDir.CreateStringFile("config.yaml",
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"upstreams:",
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" groups:",
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" default:",
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" - 1.1.1.1",
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"ports:",
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" dns: 55555")
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Expect(cfgFile.Error).Should(Succeed())
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os.Setenv(configFileEnvVar, cfgFile.Path)
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DeferCleanup(func() { os.Unsetenv(configFileEnvVar) })
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initConfig()
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})
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errChan := make(chan error)
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By("start server", func() {
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go func() {
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// it is a blocking function, call async
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errChan <- startServer(newServeCommand(), []string{})
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}()
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})
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By("check DNS port is open", func() {
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Eventually(func(g Gomega) {
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conn, err := net.DialTimeout("tcp", "127.0.0.1:55555", 200*time.Millisecond)
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g.Expect(err).Should(Succeed())
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defer conn.Close()
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}).Should(Succeed())
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})
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By("terminate with signal", func() {
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signals <- syscall.SIGINT
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// no errors
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Eventually(errChan).Should(Receive(BeNil()))
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})
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})
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})
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When("Serve command is called with valid config", func() {
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It("should fail if server start fails", func() {
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By("start http server on port 5555", func() {
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go func() {
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Expect(http.ListenAndServe(":55555", nil)).Should(Succeed())
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}()
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})
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By("initialize config with blocked port 55555", func() {
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cfgFile := tmpDir.CreateStringFile("config.yaml",
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"upstreams:",
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" groups:",
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" default:",
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" - 1.1.1.1",
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"ports:",
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" dns: 55555")
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Expect(cfgFile.Error).Should(Succeed())
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os.Setenv(configFileEnvVar, cfgFile.Path)
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DeferCleanup(func() { os.Unsetenv(configFileEnvVar) })
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initConfig()
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})
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errChan := make(chan error)
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By("start server", func() {
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go func() {
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// it is a blocking function, call async
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errChan <- startServer(newServeCommand(), []string{})
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}()
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})
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By("terminate with signal", func() {
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var startError error
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Eventually(errChan, "10s").Should(Receive(&startError))
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Expect(startError).ShouldNot(BeNil())
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Expect(startError.Error()).Should(ContainSubstring("address already in use"))
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})
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})
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})
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When("Serve command is called without config", func() {
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It("should fail to start and report error", func() {
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errChan := make(chan error)
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By("start server", func() {
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go func() {
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// it is a blocking function, call async
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errChan <- startServer(newServeCommand(), []string{})
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}()
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})
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By("server should terminate with error", func() {
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var startError error
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Eventually(errChan).Should(Receive(&startError))
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Expect(startError).ShouldNot(BeNil())
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Expect(startError.Error()).Should(ContainSubstring("unable to load configuration"))
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})
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})
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})
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})
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