Files
atlantis/server/events/command_handler_test.go
2018-06-15 16:16:31 +01:00

248 lines
12 KiB
Go

// Copyright 2017 HootSuite Media Inc.
//
// Licensed under the Apache License, Version 2.0 (the License);
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an AS IS BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Modified hereafter by contributors to runatlantis/atlantis.
//
package events_test
import (
"bytes"
"errors"
"log"
"strings"
"testing"
"github.com/google/go-github/github"
. "github.com/petergtz/pegomock"
"github.com/runatlantis/atlantis/server/events"
"github.com/runatlantis/atlantis/server/events/mocks"
"github.com/runatlantis/atlantis/server/events/mocks/matchers"
"github.com/runatlantis/atlantis/server/events/models"
"github.com/runatlantis/atlantis/server/events/models/fixtures"
"github.com/runatlantis/atlantis/server/events/vcs"
vcsmocks "github.com/runatlantis/atlantis/server/events/vcs/mocks"
logmocks "github.com/runatlantis/atlantis/server/logging/mocks"
. "github.com/runatlantis/atlantis/testing"
)
var operator *mocks.MockPullRequestOperator
var eventParsing *mocks.MockEventParsing
var vcsClient *vcsmocks.MockClientProxy
var ghStatus *mocks.MockCommitStatusUpdater
var githubGetter *mocks.MockGithubPullGetter
var gitlabGetter *mocks.MockGitlabMergeRequestGetter
var workspaceLocker *mocks.MockAtlantisWorkspaceLocker
var ch events.CommandHandler
var logBytes *bytes.Buffer
func setup(t *testing.T) {
RegisterMockTestingT(t)
operator = mocks.NewMockPullRequestOperator()
eventParsing = mocks.NewMockEventParsing()
ghStatus = mocks.NewMockCommitStatusUpdater()
workspaceLocker = mocks.NewMockAtlantisWorkspaceLocker()
vcsClient = vcsmocks.NewMockClientProxy()
githubGetter = mocks.NewMockGithubPullGetter()
gitlabGetter = mocks.NewMockGitlabMergeRequestGetter()
logger := logmocks.NewMockSimpleLogging()
logBytes = new(bytes.Buffer)
When(logger.Underlying()).ThenReturn(log.New(logBytes, "", 0))
ch = events.CommandHandler{
VCSClient: vcsClient,
CommitStatusUpdater: ghStatus,
EventParser: eventParsing,
AtlantisWorkspaceLocker: workspaceLocker,
MarkdownRenderer: &events.MarkdownRenderer{},
GithubPullGetter: githubGetter,
GitlabMergeRequestGetter: gitlabGetter,
Logger: logger,
AllowForkPRs: false,
AllowForkPRsFlag: "allow-fork-prs-flag",
PullRequestOperator: operator,
}
}
func TestExecuteCommand_LogPanics(t *testing.T) {
t.Log("if there is a panic it is commented back on the pull request")
setup(t)
ch.AllowForkPRs = true // Lets us get to the panic code.
defer func() { ch.AllowForkPRs = false }()
When(ghStatus.Update(fixtures.GithubRepo, fixtures.Pull, vcs.Pending, nil)).ThenPanic("panic")
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, 1, nil)
_, _, comment := vcsClient.VerifyWasCalledOnce().CreateComment(matchers.AnyModelsRepo(), AnyInt(), AnyString()).GetCapturedArguments()
Assert(t, strings.Contains(comment, "Error: goroutine panic"), "comment should be about a goroutine panic")
}
func TestExecuteCommand_NoGithubPullGetter(t *testing.T) {
t.Log("if CommandHandler was constructed with a nil GithubPullGetter an error should be logged")
setup(t)
ch.GithubPullGetter = nil
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, 1, nil)
Equals(t, "[ERROR] runatlantis/atlantis#1: Atlantis not configured to support GitHub\n", logBytes.String())
}
func TestExecuteCommand_NoGitlabMergeGetter(t *testing.T) {
t.Log("if CommandHandler was constructed with a nil GitlabMergeRequestGetter an error should be logged")
setup(t)
ch.GitlabMergeRequestGetter = nil
ch.ExecuteCommand(fixtures.GitlabRepo, fixtures.GitlabRepo, fixtures.User, 1, nil)
Equals(t, "[ERROR] runatlantis/atlantis#1: Atlantis not configured to support GitLab\n", logBytes.String())
}
func TestExecuteCommand_GithubPullErr(t *testing.T) {
t.Log("if getting the github pull request fails an error should be logged")
setup(t)
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(nil, errors.New("err"))
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, fixtures.Pull.Num, nil)
Equals(t, "[ERROR] runatlantis/atlantis#1: Making pull request API call to GitHub: err\n", logBytes.String())
}
func TestExecuteCommand_GitlabMergeRequestErr(t *testing.T) {
t.Log("if getting the gitlab merge request fails an error should be logged")
setup(t)
When(gitlabGetter.GetMergeRequest(fixtures.GithubRepo.FullName, fixtures.Pull.Num)).ThenReturn(nil, errors.New("err"))
ch.ExecuteCommand(fixtures.GitlabRepo, fixtures.GitlabRepo, fixtures.User, fixtures.Pull.Num, nil)
Equals(t, "[ERROR] runatlantis/atlantis#1: Making merge request API call to GitLab: err\n", logBytes.String())
}
func TestExecuteCommand_GithubPullParseErr(t *testing.T) {
t.Log("if parsing the returned github pull request fails an error should be logged")
setup(t)
var pull github.PullRequest
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(&pull, nil)
When(eventParsing.ParseGithubPull(&pull)).ThenReturn(fixtures.Pull, fixtures.GithubRepo, errors.New("err"))
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, fixtures.Pull.Num, nil)
Equals(t, "[ERROR] runatlantis/atlantis#1: Extracting required fields from comment data: err\n", logBytes.String())
}
func TestExecuteCommand_ForkPRDisabled(t *testing.T) {
t.Log("if a command is run on a forked pull request and this is disabled atlantis should" +
" comment saying that this is not allowed")
setup(t)
ch.AllowForkPRs = false // by default it's false so don't need to reset
var pull github.PullRequest
modelPull := models.PullRequest{State: models.Open}
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(&pull, nil)
headRepo := fixtures.GithubRepo
headRepo.FullName = "forkrepo/atlantis"
headRepo.Owner = "forkrepo"
When(eventParsing.ParseGithubPull(&pull)).ThenReturn(modelPull, headRepo, nil)
ch.ExecuteCommand(fixtures.GithubRepo, models.Repo{} /* this isn't used */, fixtures.User, fixtures.Pull.Num, nil)
vcsClient.VerifyWasCalledOnce().CreateComment(fixtures.GithubRepo, modelPull.Num, "Atlantis commands can't be run on fork pull requests. To enable, set --"+ch.AllowForkPRsFlag)
}
func TestExecuteCommand_ClosedPull(t *testing.T) {
t.Log("if a command is run on a closed pull request atlantis should" +
" comment saying that this is not allowed")
setup(t)
pull := &github.PullRequest{
State: github.String("closed"),
}
modelPull := models.PullRequest{State: models.Closed}
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(pull, nil)
When(eventParsing.ParseGithubPull(pull)).ThenReturn(modelPull, fixtures.GithubRepo, nil)
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, fixtures.Pull.Num, nil)
vcsClient.VerifyWasCalledOnce().CreateComment(fixtures.GithubRepo, modelPull.Num, "Atlantis commands can't be run on closed pull requests")
}
func TestExecuteCommand_WorkspaceLocked(t *testing.T) {
t.Log("if the workspace is locked, should comment back on the pull")
setup(t)
pull := &github.PullRequest{
State: github.String("closed"),
}
cmd := events.Command{
Name: events.Plan,
Workspace: "workspace",
}
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(pull, nil)
When(eventParsing.ParseGithubPull(pull)).ThenReturn(fixtures.Pull, fixtures.GithubRepo, nil)
When(workspaceLocker.TryLock(fixtures.GithubRepo.FullName, cmd.Workspace, fixtures.Pull.Num)).ThenReturn(false)
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, fixtures.Pull.Num, &cmd)
msg := "The workspace workspace is currently locked by another" +
" command that is running for this pull request." +
" Wait until the previous command is complete and try again."
ghStatus.VerifyWasCalledOnce().Update(fixtures.GithubRepo, fixtures.Pull, vcs.Pending, &cmd)
_, response := ghStatus.VerifyWasCalledOnce().UpdateProjectResult(matchers.AnyPtrToEventsCommandContext(), matchers.AnyEventsCommandResponse()).GetCapturedArguments()
Equals(t, msg, response.Failure)
vcsClient.VerifyWasCalledOnce().CreateComment(fixtures.GithubRepo, fixtures.Pull.Num,
"**Plan Failed**: "+msg+"\n\n")
}
func TestExecuteCommand_FullRun(t *testing.T) {
t.Log("when running a plan, apply should comment")
pull := &github.PullRequest{
State: github.String("closed"),
}
cmdResponse := events.CommandResponse{}
for _, c := range []events.CommandName{events.Plan, events.Apply} {
setup(t)
cmd := events.Command{
Name: c,
Workspace: "workspace",
}
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(pull, nil)
When(eventParsing.ParseGithubPull(pull)).ThenReturn(fixtures.Pull, fixtures.GithubRepo, nil)
When(workspaceLocker.TryLock(fixtures.GithubRepo.FullName, cmd.Workspace, fixtures.Pull.Num)).ThenReturn(true)
switch c {
case events.Plan:
When(operator.PlanViaComment(matchers.AnyPtrToEventsCommandContext())).ThenReturn(cmdResponse)
case events.Apply:
When(operator.ApplyViaComment(matchers.AnyPtrToEventsCommandContext())).ThenReturn(cmdResponse)
}
ch.ExecuteCommand(fixtures.GithubRepo, fixtures.GithubRepo, fixtures.User, fixtures.Pull.Num, &cmd)
ghStatus.VerifyWasCalledOnce().Update(fixtures.GithubRepo, fixtures.Pull, vcs.Pending, &cmd)
_, response := ghStatus.VerifyWasCalledOnce().UpdateProjectResult(matchers.AnyPtrToEventsCommandContext(), matchers.AnyEventsCommandResponse()).GetCapturedArguments()
Equals(t, cmdResponse, response)
vcsClient.VerifyWasCalledOnce().CreateComment(matchers.AnyModelsRepo(), AnyInt(), AnyString())
workspaceLocker.VerifyWasCalledOnce().Unlock(fixtures.GithubRepo.FullName, cmd.Workspace, fixtures.Pull.Num)
}
}
func TestExecuteCommand_ForkPREnabled(t *testing.T) {
t.Log("when running a plan on a fork PR, it should succeed")
setup(t)
// Enable forked PRs.
ch.AllowForkPRs = true
defer func() { ch.AllowForkPRs = false }() // Reset after test.
var pull github.PullRequest
cmdResponse := events.CommandResponse{}
cmd := events.Command{
Name: events.Plan,
Workspace: "workspace",
}
When(githubGetter.GetPullRequest(fixtures.GithubRepo, fixtures.Pull.Num)).ThenReturn(&pull, nil)
headRepo := fixtures.GithubRepo
headRepo.FullName = "forkrepo/atlantis"
headRepo.Owner = "forkrepo"
When(eventParsing.ParseGithubPull(&pull)).ThenReturn(fixtures.Pull, headRepo, nil)
When(workspaceLocker.TryLock(fixtures.GithubRepo.FullName, cmd.Workspace, fixtures.Pull.Num)).ThenReturn(true)
When(operator.PlanViaComment(matchers.AnyPtrToEventsCommandContext())).ThenReturn(cmdResponse)
ch.ExecuteCommand(fixtures.GithubRepo, models.Repo{} /* this isn't used */, fixtures.User, fixtures.Pull.Num, &cmd)
ghStatus.VerifyWasCalledOnce().Update(fixtures.GithubRepo, fixtures.Pull, vcs.Pending, &cmd)
_, response := ghStatus.VerifyWasCalledOnce().UpdateProjectResult(matchers.AnyPtrToEventsCommandContext(), matchers.AnyEventsCommandResponse()).GetCapturedArguments()
Equals(t, cmdResponse, response)
vcsClient.VerifyWasCalledOnce().CreateComment(matchers.AnyModelsRepo(), AnyInt(), AnyString())
workspaceLocker.VerifyWasCalledOnce().Unlock(fixtures.GithubRepo.FullName, cmd.Workspace, fixtures.Pull.Num)
}