woodpecker/pkg/build/build_test.go

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package build
import (
"bytes"
"encoding/json"
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"fmt"
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"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"testing"
"github.com/drone/drone/pkg/build/buildfile"
"github.com/drone/drone/pkg/build/docker"
"github.com/drone/drone/pkg/build/proxy"
"github.com/drone/drone/pkg/build/repo"
"github.com/drone/drone/pkg/build/script"
)
var (
// mux is the HTTP request multiplexer used with the test server.
mux *http.ServeMux
// server is a test HTTP server used to provide mock API responses.
server *httptest.Server
// docker client
client *docker.Client
)
// setup a mock docker client for testing purposes. This will use
// a test http server that can return mock responses to the docker client.
func setup() {
mux = http.NewServeMux()
server = httptest.NewServer(mux)
url, _ := url.Parse(server.URL)
url.Scheme = "tcp"
os.Setenv("DOCKER_HOST", url.String())
client = docker.New()
}
func teardown() {
server.Close()
}
// TestSetup will test our ability to successfully create a Docker
// image for the build.
func TestSetup(t *testing.T) {
setup()
defer teardown()
// Handles a request to inspect the Go 1.2 image
// This will return a dummy image ID, so that the system knows
// the build image exists, and doens't need to be downloaded.
mux.HandleFunc("/v1.9/images/bradrydzewski/go:1.2/json", func(w http.ResponseWriter, r *http.Request) {
body := `[{ "id": "7bf9ce0ffb7236ca68da0f9fed0e1682053b393db3c724ff3c5a4e8c0793b34c" }]`
w.Write([]byte(body))
})
// Handles a request to create the build image, with the build
// script injected. This will return a dummy stream.
mux.HandleFunc("/v1.9/build", func(w http.ResponseWriter, r *http.Request) {
body := `{"stream":"Step 1..."}`
w.Write([]byte(body))
})
// Handles a request to inspect the newly created build image. Note
// that we are doing a "wildcard" url match here, since the name of
// the image will be random. This will return a dummy image ID
// to confirm the build image was created successfully.
mux.HandleFunc("/v1.9/images/", func(w http.ResponseWriter, r *http.Request) {
body := `{ "id": "7bf9ce0ffb7236ca68da0f9fed0e1682053b393db3c724ff3c5a4e8c0793b34c" }`
w.Write([]byte(body))
})
b := Builder{}
b.Repo = &repo.Repo{}
b.Repo.Path = "git://github.com/drone/drone.git"
b.Build = &script.Build{}
b.Build.Image = "go1.2"
b.dockerClient = client
if err := b.setup(); err != nil {
t.Errorf("Expected success, got %s", err)
}
// verify the Image is being correctly set
if b.image == nil {
t.Errorf("Expected image not nil")
}
expectedID := "7bf9ce0ffb7236ca68da0f9fed0e1682053b393db3c724ff3c5a4e8c0793b34c"
if b.image.ID != expectedID {
t.Errorf("Expected image.ID %s, got %s", expectedID, b.image.ID)
}
}
// TestSetupEmptyImage will test our ability to handle a nil or
// blank Docker build image. We expect this to return an error.
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func TestSetupEmptyImage(t *testing.T) {
b := Builder{Build: &script.Build{}}
var got, want = b.setup(), "Error: missing Docker image"
if got == nil || got.Error() != want {
t.Errorf("Expected error %s, got %s", want, got)
}
}
// TestSetupErrorInspectImage will test our ability to handle a
// failure when inspecting an image (i.e. bradrydzewski/mysql:latest),
// which should trigger a `docker pull`.
func TestSetupErrorInspectImage(t *testing.T) {
t.Skip()
}
// TestSetupErrorPullImage will test our ability to handle a
// failure when pulling an image (i.e. bradrydzewski/mysql:latest)
func TestSetupErrorPullImage(t *testing.T) {
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setup()
defer teardown()
mux.HandleFunc("/v1.9/images/bradrydzewski/mysql:5.5/json", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
})
}
// TestSetupErrorRunDaemonPorts will test our ability to handle a
// failure when starting a service (i.e. mysql) as a daemon.
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func TestSetupErrorRunDaemonPorts(t *testing.T) {
setup()
defer teardown()
mux.HandleFunc("/v1.9/images/bradrydzewski/mysql:5.5/json", func(w http.ResponseWriter, r *http.Request) {
data := []byte(`{"config": { "ExposedPorts": { "6379/tcp": {}}}}`)
w.Write(data)
})
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mux.HandleFunc("/v1.9/containers/create", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.Repo = &repo.Repo{}
b.Repo.Path = "git://github.com/drone/drone.git"
b.Build = &script.Build{}
b.Build.Image = "go1.2"
b.Build.Services = append(b.Build.Services, "mysql")
b.dockerClient = client
var got, want = b.setup(), docker.ErrBadRequest
if got == nil || got != want {
t.Errorf("Expected error %s, got %s", want, got)
}
}
// TestSetupErrorServiceInspect will test our ability to handle a
// failure when a service (i.e. mysql) is started successfully,
// but cannot be queried post-start with the Docker remote API.
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func TestSetupErrorServiceInspect(t *testing.T) {
setup()
defer teardown()
mux.HandleFunc("/v1.9/images/bradrydzewski/mysql:5.5/json", func(w http.ResponseWriter, r *http.Request) {
data := []byte(`{"config": { "ExposedPorts": { "6379/tcp": {}}}}`)
w.Write(data)
})
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mux.HandleFunc("/v1.9/containers/create", func(w http.ResponseWriter, r *http.Request) {
body := `{ "Id":"e90e34656806", "Warnings":[] }`
w.Write([]byte(body))
})
mux.HandleFunc("/v1.9/containers/e90e34656806/start", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNoContent)
})
mux.HandleFunc("/v1.9/containers/e90e34656806/json", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.Repo = &repo.Repo{}
b.Repo.Path = "git://github.com/drone/drone.git"
b.Build = &script.Build{}
b.Build.Image = "go1.2"
b.Build.Services = append(b.Build.Services, "mysql")
b.dockerClient = client
var got, want = b.setup(), docker.ErrBadRequest
if got == nil || got != want {
t.Errorf("Expected error %s, got %s", want, got)
}
}
// TestSetupErrorImagePull will test our ability to handle a
// failure when a the build image cannot be pulled from the index.
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func TestSetupErrorImagePull(t *testing.T) {
setup()
defer teardown()
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mux.HandleFunc("/v1.9/images/bradrydzewski/mysql:5.5/json", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusNotFound)
})
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mux.HandleFunc("/v1.9/images/create?fromImage=bradrydzewski/mysql&tag=5.5", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.Repo = &repo.Repo{}
b.Repo.Path = "git://github.com/drone/drone.git"
b.Build = &script.Build{}
b.Build.Image = "go1.2"
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b.Build.Services = append(b.Build.Services, "mysql")
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b.dockerClient = client
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var got, want = b.setup(), fmt.Errorf("Error: Unable to pull image bradrydzewski/mysql:5.5")
if got == nil || got.Error() != want.Error() {
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t.Errorf("Expected error %s, got %s", want, got)
}
}
// TestSetupErrorBuild will test our ability to handle a failure
// when creating a Docker image with the injected build script,
// ssh keys, etc.
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func TestSetupErrorBuild(t *testing.T) {
setup()
defer teardown()
mux.HandleFunc("/v1.9/images/bradrydzewski/go:1.2/json", func(w http.ResponseWriter, r *http.Request) {
body := `[{ "id": "7bf9ce0ffb7236ca68da0f9fed0e1682053b393db3c724ff3c5a4e8c0793b34c" }]`
w.Write([]byte(body))
})
mux.HandleFunc("/v1.9/build", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.Repo = &repo.Repo{}
b.Repo.Path = "git://github.com/drone/drone.git"
b.Build = &script.Build{}
b.Build.Image = "go1.2"
b.dockerClient = client
var got, want = b.setup(), docker.ErrBadRequest
if got == nil || got != want {
t.Errorf("Expected error %s, got %s", want, got)
}
}
// TestSetupErrorBuildInspect will test our ability to handle a failure
// when we successfully create a Docker image with the injected build script,
// ssh keys, etc, however, we cannot inspect it post-creation using
// the Docker remote API.
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func TestSetupErrorBuildInspect(t *testing.T) {
setup()
defer teardown()
mux.HandleFunc("/v1.9/images/bradrydzewski/go:1.2/json", func(w http.ResponseWriter, r *http.Request) {
body := `[{ "id": "7bf9ce0ffb7236ca68da0f9fed0e1682053b393db3c724ff3c5a4e8c0793b34c" }]`
w.Write([]byte(body))
})
mux.HandleFunc("/v1.9/build", func(w http.ResponseWriter, r *http.Request) {
body := `{"stream":"Step 1..."}`
w.Write([]byte(body))
})
mux.HandleFunc("/v1.9/images/", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.Repo = &repo.Repo{}
b.Repo.Path = "git://github.com/drone/drone.git"
b.Build = &script.Build{}
b.Build.Image = "go1.2"
b.dockerClient = client
var got, want = b.setup(), docker.ErrBadRequest
if got == nil || got != want {
t.Errorf("Expected error %s, got %s", want, got)
}
}
// TestTeardown will test our ability to sucessfully teardown a
// Docker-based build environment.
func TestTeardown(t *testing.T) {
setup()
defer teardown()
var (
containerStopped = false
containerRemoved = false
serviceStopped = false
serviceRemoved = false
imageRemoved = false
)
mux.HandleFunc("/v1.9/containers/7bf9ce0ffb/stop", func(w http.ResponseWriter, r *http.Request) {
containerStopped = true
w.WriteHeader(http.StatusOK)
})
mux.HandleFunc("/v1.9/containers/7bf9ce0ffb", func(w http.ResponseWriter, r *http.Request) {
containerRemoved = true
w.WriteHeader(http.StatusOK)
})
mux.HandleFunc("/v1.9/containers/ec62dcc736/stop", func(w http.ResponseWriter, r *http.Request) {
serviceStopped = true
w.WriteHeader(http.StatusOK)
})
mux.HandleFunc("/v1.9/containers/ec62dcc736", func(w http.ResponseWriter, r *http.Request) {
serviceRemoved = true
w.WriteHeader(http.StatusOK)
})
mux.HandleFunc("/v1.9/images/c3ab8ff137", func(w http.ResponseWriter, r *http.Request) {
imageRemoved = true
w.Write([]byte(`[{"Untagged":"c3ab8ff137"},{"Deleted":"c3ab8ff137"}]`))
})
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b := Builder{}
b.dockerClient = client
b.services = append(b.services, &docker.Container{ID: "ec62dcc736"})
b.container = &docker.Run{ID: "7bf9ce0ffb"}
b.image = &docker.Image{ID: "c3ab8ff137"}
b.Build = &script.Build{Services: []string{"mysql"}}
b.teardown()
if !containerStopped {
t.Errorf("Expected Docker container was stopped")
}
if !containerRemoved {
t.Errorf("Expected Docker container was removed")
}
if !serviceStopped {
t.Errorf("Expected Docker mysql container was stopped")
}
if !serviceRemoved {
t.Errorf("Expected Docker mysql container was removed")
}
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if !imageRemoved {
t.Errorf("Expected Docker image was removed")
}
}
func TestRun(t *testing.T) {
t.Skip()
}
func TestRunPrivileged(t *testing.T) {
setup()
defer teardown()
var conf = docker.HostConfig{}
mux.HandleFunc("/v1.9/containers/create", func(w http.ResponseWriter, r *http.Request) {
body := `{ "Id":"e90e34656806", "Warnings":[] }`
w.Write([]byte(body))
})
mux.HandleFunc("/v1.9/containers/e90e34656806/start", func(w http.ResponseWriter, r *http.Request) {
json.NewDecoder(r.Body).Decode(&conf)
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.BuildState = &BuildState{}
b.dockerClient = client
b.Stdout = new(bytes.Buffer)
b.image = &docker.Image{ID: "c3ab8ff137"}
b.Build = &script.Build{}
b.Repo = &repo.Repo{}
b.run()
if conf.Privileged != false {
t.Errorf("Expected container NOT started in Privileged mode")
}
// now lets set priviliged mode
b.Privileged = true
b.run()
if conf.Privileged != true {
t.Errorf("Expected container IS started in Privileged mode")
}
// now lets set priviliged mode but for a pull request
b.Privileged = true
b.Repo.PR = "55"
b.run()
if conf.Privileged != false {
t.Errorf("Expected container NOT started in Privileged mode when PR")
}
}
func TestRunErrorCreate(t *testing.T) {
setup()
defer teardown()
mux.HandleFunc("/v1.9/containers/create", func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.BuildState = &BuildState{}
b.dockerClient = client
b.Stdout = new(bytes.Buffer)
b.image = &docker.Image{ID: "c3ab8ff137"}
b.Build = &script.Build{}
b.Repo = &repo.Repo{}
if err := b.run(); err != docker.ErrBadRequest {
t.Errorf("Expected error when trying to create build container")
}
}
func TestRunErrorStart(t *testing.T) {
setup()
defer teardown()
var (
containerCreated = false
containerStarted = false
)
mux.HandleFunc("/v1.9/containers/create", func(w http.ResponseWriter, r *http.Request) {
containerCreated = true
body := `{ "Id":"e90e34656806", "Warnings":[] }`
w.Write([]byte(body))
})
mux.HandleFunc("/v1.9/containers/e90e34656806/start", func(w http.ResponseWriter, r *http.Request) {
containerStarted = true
w.WriteHeader(http.StatusBadRequest)
})
b := Builder{}
b.BuildState = &BuildState{}
b.dockerClient = client
b.Stdout = new(bytes.Buffer)
b.image = &docker.Image{ID: "c3ab8ff137"}
b.Build = &script.Build{}
b.Repo = &repo.Repo{}
if err := b.run(); err != docker.ErrBadRequest {
t.Errorf("Expected error when trying to start build container")
}
if !containerCreated {
t.Errorf("Expected Docker endpoint was invoked to create container")
}
if !containerStarted {
t.Errorf("Expected Docker endpoint was invoked to start container")
}
if b.container == nil || b.container.ID != "e90e34656806" {
t.Errorf("Expected build container was created with ID e90e34656806")
}
}
func TestRunErrorWait(t *testing.T) {
t.Skip()
}
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func TestWriteIdentifyFile(t *testing.T) {
// temporary directory to store file
dir, _ := ioutil.TempDir("", "drone-test-")
defer os.RemoveAll(dir)
b := Builder{}
b.Key = []byte("ssh-rsa AAA...")
b.writeIdentifyFile(dir)
// persist a dummy id_rsa keyfile to disk
keyfile, err := ioutil.ReadFile(filepath.Join(dir, "id_rsa"))
if err != nil {
t.Errorf("Expected id_rsa file saved to disk")
}
if string(keyfile) != string(b.Key) {
t.Errorf("Expected id_rsa value saved as %s, got %s", b.Key, keyfile)
}
}
func TestWriteProxyScript(t *testing.T) {
// temporary directory to store file
dir, _ := ioutil.TempDir("", "drone-test-")
defer os.RemoveAll(dir)
// fake service container that we'll assume was part of the yaml
// and should be attached to the build container.
c := docker.Container{
NetworkSettings: &docker.NetworkSettings{
IPAddress: "172.1.4.5",
Ports: map[docker.Port][]docker.PortBinding{
docker.NewPort("tcp", "3306"): nil,
},
},
}
// this should generate the following proxy file
p := proxy.Proxy{}
p.Set("3306", "172.1.4.5")
want := p.String()
b := Builder{}
b.services = append(b.services, &c)
b.writeProxyScript(dir)
// persist a dummy proxy script to disk
got, err := ioutil.ReadFile(filepath.Join(dir, "proxy.sh"))
if err != nil {
t.Errorf("Expected proxy.sh file saved to disk")
}
if string(got) != want {
t.Errorf("Expected proxy.sh value saved as %s, got %s", want, got)
}
}
func TestWriteBuildScript(t *testing.T) {
// temporary directory to store file
dir, _ := ioutil.TempDir("", "drone-test-")
defer os.RemoveAll(dir)
b := Builder{}
b.Build = &script.Build{
Hosts: []string{"127.0.0.1"}}
b.Repo = &repo.Repo{
Path: "git://github.com/drone/drone.git",
Branch: "master",
Commit: "e7e046b35",
PR: "123",
Dir: "/var/cache/drone/github.com/drone/drone"}
b.writeBuildScript(dir)
// persist a dummy build script to disk
script, err := ioutil.ReadFile(filepath.Join(dir, "drone"))
if err != nil {
t.Errorf("Expected id_rsa file saved to disk")
}
f := buildfile.New()
f.WriteEnv("CI", "true")
f.WriteEnv("DRONE", "true")
f.WriteEnv("DRONE_BRANCH", "master")
f.WriteEnv("DRONE_COMMIT", "e7e046b35")
f.WriteEnv("DRONE_PR", "123")
f.WriteEnv("DRONE_BUILD_DIR", "/var/cache/drone/github.com/drone/drone")
f.WriteHost("127.0.0.1")
f.WriteCmd("git clone --depth=0 --recursive --branch=master git://github.com/drone/drone.git /var/cache/drone/github.com/drone/drone")
f.WriteCmd("git fetch origin +refs/pull/123/head:refs/remotes/origin/pr/123")
f.WriteCmd("git checkout -qf -b pr/123 origin/pr/123")
if string(script) != f.String() {
t.Errorf("Expected build script value saved as %s, got %s", f.String(), script)
}
}