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package integration_test
import (
"io/ioutil"
"os"
"path/filepath"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gbytes"
"github.com/onsi/gomega/gexec"
)
var _ = Describe("Watch", func() {
var rootPath string
var pathA string
var pathB string
var pathC string
var session *gexec.Session
BeforeEach(func() {
rootPath = tmpPath("root")
pathA = filepath.Join(rootPath, "src", "github.com", "onsi", "A")
pathB = filepath.Join(rootPath, "src", "github.com", "onsi", "B")
pathC = filepath.Join(rootPath, "src", "github.com", "onsi", "C")
err := os.MkdirAll(pathA, 0700)
Ω(err).ShouldNot(HaveOccurred())
err = os.MkdirAll(pathB, 0700)
Ω(err).ShouldNot(HaveOccurred())
err = os.MkdirAll(pathC, 0700)
Ω(err).ShouldNot(HaveOccurred())
copyIn(filepath.Join("watch_fixtures", "A"), pathA)
copyIn(filepath.Join("watch_fixtures", "B"), pathB)
copyIn(filepath.Join("watch_fixtures", "C"), pathC)
})
startGinkgoWithGopath := func(args ...string) *gexec.Session {
cmd := ginkgoCommand(rootPath, args...)
cmd.Env = append([]string{"GOPATH=" + rootPath + ":" + os.Getenv("GOPATH")}, os.Environ()...)
session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
Ω(err).ShouldNot(HaveOccurred())
return session
}
modifyFile := func(path string) {
time.Sleep(time.Second)
content, err := ioutil.ReadFile(path)
Ω(err).ShouldNot(HaveOccurred())
content = append(content, []byte("//")...)
err = ioutil.WriteFile(path, content, 0666)
Ω(err).ShouldNot(HaveOccurred())
}
modifyCode := func(pkgToModify string) {
modifyFile(filepath.Join(rootPath, "src", "github.com", "onsi", pkgToModify, pkgToModify+".go"))
}
modifyTest := func(pkgToModify string) {
modifyFile(filepath.Join(rootPath, "src", "github.com", "onsi", pkgToModify, pkgToModify+"_test.go"))
}
AfterEach(func() {
if session != nil {
session.Kill().Wait()
}
})
It("should be set up correctly", func() {
session = startGinkgoWithGopath("-r")
Eventually(session).Should(gexec.Exit(0))
Ω(session.Out.Contents()).Should(ContainSubstring("A Suite"))
Ω(session.Out.Contents()).Should(ContainSubstring("B Suite"))
Ω(session.Out.Contents()).Should(ContainSubstring("C Suite"))
Ω(session.Out.Contents()).Should(ContainSubstring("Ginkgo ran 3 suites"))
})
Context("when watching just one test suite", func() {
It("should immediately run, and should rerun when the test suite changes", func() {
session = startGinkgoWithGopath("watch", "-succinct", pathA)
Eventually(session).Should(gbytes.Say("A Suite"))
modifyCode("A")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("A Suite"))
session.Kill().Wait()
})
})
Context("when watching several test suites", func() {
It("should not immediately run, but should rerun a test when its code changes", func() {
session = startGinkgoWithGopath("watch", "-succinct", "-r")
Eventually(session).Should(gbytes.Say("Identified 3 test suites"))
Consistently(session).ShouldNot(gbytes.Say("A Suite|B Suite|C Suite"))
modifyCode("A")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("B Suite|C Suite"))
session.Kill().Wait()
})
})
Describe("watching dependencies", func() {
Context("with a depth of 2", func() {
It("should watch down to that depth", func() {
session = startGinkgoWithGopath("watch", "-succinct", "-r", "-depth=2")
Eventually(session).Should(gbytes.Say("Identified 3 test suites"))
Eventually(session).Should(gbytes.Say(`A \[2 dependencies\]`))
Eventually(session).Should(gbytes.Say(`B \[1 dependency\]`))
Eventually(session).Should(gbytes.Say(`C \[0 dependencies\]`))
modifyCode("A")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("B Suite|C Suite"))
modifyCode("B")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("B Suite"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("C Suite"))
modifyCode("C")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("C Suite"))
Eventually(session).Should(gbytes.Say("B Suite"))
Eventually(session).Should(gbytes.Say("A Suite"))
})
})
Context("with a depth of 1", func() {
It("should watch down to that depth", func() {
session = startGinkgoWithGopath("watch", "-succinct", "-r", "-depth=1")
Eventually(session).Should(gbytes.Say("Identified 3 test suites"))
Eventually(session).Should(gbytes.Say(`A \[1 dependency\]`))
Eventually(session).Should(gbytes.Say(`B \[1 dependency\]`))
Eventually(session).Should(gbytes.Say(`C \[0 dependencies\]`))
modifyCode("A")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("B Suite|C Suite"))
modifyCode("B")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("B Suite"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("C Suite"))
modifyCode("C")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("C Suite"))
Eventually(session).Should(gbytes.Say("B Suite"))
Consistently(session).ShouldNot(gbytes.Say("A Suite"))
})
})
Context("with a depth of 0", func() {
It("should not watch any dependencies", func() {
session = startGinkgoWithGopath("watch", "-succinct", "-r", "-depth=0")
Eventually(session).Should(gbytes.Say("Identified 3 test suites"))
Eventually(session).Should(gbytes.Say(`A \[0 dependencies\]`))
Eventually(session).Should(gbytes.Say(`B \[0 dependencies\]`))
Eventually(session).Should(gbytes.Say(`C \[0 dependencies\]`))
modifyCode("A")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("B Suite|C Suite"))
modifyCode("B")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("B Suite"))
Consistently(session).ShouldNot(gbytes.Say("A Suite|C Suite"))
modifyCode("C")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("C Suite"))
Consistently(session).ShouldNot(gbytes.Say("A Suite|B Suite"))
})
})
It("should not trigger dependents when tests are changed", func() {
session = startGinkgoWithGopath("watch", "-succinct", "-r", "-depth=2")
Eventually(session).Should(gbytes.Say("Identified 3 test suites"))
Eventually(session).Should(gbytes.Say(`A \[2 dependencies\]`))
Eventually(session).Should(gbytes.Say(`B \[1 dependency\]`))
Eventually(session).Should(gbytes.Say(`C \[0 dependencies\]`))
modifyTest("A")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("A Suite"))
Consistently(session).ShouldNot(gbytes.Say("B Suite|C Suite"))
modifyTest("B")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("B Suite"))
Consistently(session).ShouldNot(gbytes.Say("A Suite|C Suite"))
modifyTest("C")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("C Suite"))
Consistently(session).ShouldNot(gbytes.Say("A Suite|B Suite"))
})
})
Describe("when new test suite is added", func() {
It("should start monitoring that test suite", func() {
session = startGinkgoWithGopath("watch", "-succinct", "-r")
Eventually(session).Should(gbytes.Say("Watching 3 suites"))
pathD := filepath.Join(rootPath, "src", "github.com", "onsi", "D")
err := os.MkdirAll(pathD, 0700)
Ω(err).ShouldNot(HaveOccurred())
copyIn(filepath.Join("watch_fixtures", "D"), pathD)
Eventually(session).Should(gbytes.Say("Detected 1 new suite"))
Eventually(session).Should(gbytes.Say(`D \[1 dependency\]`))
Eventually(session).Should(gbytes.Say("D Suite"))
modifyCode("D")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("D Suite"))
modifyCode("C")
Eventually(session).Should(gbytes.Say("Detected changes in"))
Eventually(session).Should(gbytes.Say("C Suite"))
Eventually(session).Should(gbytes.Say("D Suite"))
})
})
})
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