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package sync
import (
"bytes"
"io/ioutil"
"net/http"
"testing"
"github.com/cli/cli/v2/context"
"github.com/cli/cli/v2/git"
"github.com/cli/cli/v2/internal/ghrepo"
"github.com/cli/cli/v2/pkg/cmdutil"
"github.com/cli/cli/v2/pkg/httpmock"
"github.com/cli/cli/v2/pkg/iostreams"
"github.com/google/shlex"
"github.com/stretchr/testify/assert"
)
func TestNewCmdSync(t *testing.T) {
tests := []struct {
name string
tty bool
input string
output SyncOptions
wantErr bool
errMsg string
}{
{
name: "no argument",
tty: true,
input: "",
output: SyncOptions{},
},
{
name: "destination repo",
tty: true,
input: "cli/cli",
output: SyncOptions{
DestArg: "cli/cli",
},
},
{
name: "source repo",
tty: true,
input: "--source cli/cli",
output: SyncOptions{
SrcArg: "cli/cli",
},
},
{
name: "branch",
tty: true,
input: "--branch trunk",
output: SyncOptions{
Branch: "trunk",
},
},
{
name: "force",
tty: true,
input: "--force",
output: SyncOptions{
Force: true,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
io, _, _, _ := iostreams.Test()
io.SetStdinTTY(tt.tty)
io.SetStdoutTTY(tt.tty)
f := &cmdutil.Factory{
IOStreams: io,
}
argv, err := shlex.Split(tt.input)
assert.NoError(t, err)
var gotOpts *SyncOptions
cmd := NewCmdSync(f, func(opts *SyncOptions) error {
gotOpts = opts
return nil
})
cmd.SetArgs(argv)
cmd.SetIn(&bytes.Buffer{})
cmd.SetOut(&bytes.Buffer{})
cmd.SetErr(&bytes.Buffer{})
_, err = cmd.ExecuteC()
if tt.wantErr {
assert.Error(t, err)
assert.Equal(t, tt.errMsg, err.Error())
return
}
assert.NoError(t, err)
assert.Equal(t, tt.output.DestArg, gotOpts.DestArg)
assert.Equal(t, tt.output.SrcArg, gotOpts.SrcArg)
assert.Equal(t, tt.output.Branch, gotOpts.Branch)
assert.Equal(t, tt.output.Force, gotOpts.Force)
})
}
}
func Test_SyncRun(t *testing.T) {
tests := []struct {
name string
tty bool
opts *SyncOptions
remotes []*context.Remote
httpStubs func(*httpmock.Registry)
gitStubs func(*mockGitClient)
wantStdout string
wantErr bool
errMsg string
}{
{
name: "sync local repo with parent - tty",
tty: true,
opts: &SyncOptions{},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryInfo\b`),
httpmock.StringResponse(`{"data":{"repository":{"defaultBranchRef":{"name": "trunk"}}}}`))
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("IsDirty").Return(false, nil).Once()
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("origin", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(true, nil).Once()
mgc.On("CurrentBranch").Return("trunk", nil).Once()
mgc.On("MergeFastForward", "FETCH_HEAD").Return(nil).Once()
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER/REPO to local repository\n",
},
{
name: "sync local repo with parent - notty",
tty: false,
opts: &SyncOptions{
Branch: "trunk",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("IsDirty").Return(false, nil).Once()
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("origin", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(true, nil).Once()
mgc.On("CurrentBranch").Return("trunk", nil).Once()
mgc.On("MergeFastForward", "FETCH_HEAD").Return(nil).Once()
},
wantStdout: "",
},
{
name: "sync local repo with specified source repo",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
SrcArg: "OWNER2/REPO2",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("IsDirty").Return(false, nil).Once()
mgc.On("Fetch", "upstream", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("upstream", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(true, nil).Once()
mgc.On("CurrentBranch").Return("trunk", nil).Once()
mgc.On("MergeFastForward", "FETCH_HEAD").Return(nil).Once()
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER2/REPO2 to local repository\n",
},
{
name: "sync local repo with parent and force specified",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
Force: true,
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("IsDirty").Return(false, nil).Once()
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("origin", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(false, nil).Once()
mgc.On("CurrentBranch").Return("trunk", nil).Once()
mgc.On("ResetHard", "FETCH_HEAD").Return(nil).Once()
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER/REPO to local repository\n",
},
{
name: "sync local repo with parent and not fast forward merge",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("origin", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(false, nil).Once()
},
wantErr: true,
errMsg: "can't sync because there are diverging changes; use `--force` to overwrite the destination branch",
},
{
name: "sync local repo with parent and mismatching branch remotes",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("upstream", nil).Once()
},
wantErr: true,
errMsg: "can't sync because trunk is not tracking OWNER/REPO",
},
{
name: "sync local repo with parent and local changes",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("origin", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(true, nil).Once()
mgc.On("CurrentBranch").Return("trunk", nil).Once()
mgc.On("IsDirty").Return(true, nil).Once()
},
wantErr: true,
errMsg: "can't sync because there are local changes; please stash them before trying again",
},
{
name: "sync local repo with parent - existing branch, non-current",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(true).Once()
mgc.On("BranchRemote", "trunk").Return("origin", nil).Once()
mgc.On("IsAncestor", "trunk", "FETCH_HEAD").Return(true, nil).Once()
mgc.On("CurrentBranch").Return("test", nil).Once()
mgc.On("UpdateBranch", "trunk", "FETCH_HEAD").Return(nil).Once()
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER/REPO to local repository\n",
},
{
name: "sync local repo with parent - create new branch",
tty: true,
opts: &SyncOptions{
Branch: "trunk",
},
gitStubs: func(mgc *mockGitClient) {
mgc.On("Fetch", "origin", "refs/heads/trunk").Return(nil).Once()
mgc.On("HasLocalBranch", "trunk").Return(false).Once()
mgc.On("CurrentBranch").Return("test", nil).Once()
mgc.On("CreateBranch", "trunk", "FETCH_HEAD", "origin/trunk").Return(nil).Once()
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER/REPO to local repository\n",
},
{
name: "sync remote fork with parent - tty",
tty: true,
opts: &SyncOptions{
DestArg: "OWNER/REPO-FORK",
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryFindParent\b`),
httpmock.StringResponse(`{"data":{"repository":{"parent":{"name":"REPO","owner":{"login": "OWNER"}}}}}`))
reg.Register(
httpmock.GraphQL(`query RepositoryInfo\b`),
httpmock.StringResponse(`{"data":{"repository":{"defaultBranchRef":{"name": "trunk"}}}}`))
reg.Register(
httpmock.REST("GET", "repos/OWNER/REPO/git/refs/heads/trunk"),
httpmock.StringResponse(`{"object":{"sha":"0xDEADBEEF"}}`))
reg.Register(
httpmock.REST("PATCH", "repos/OWNER/REPO-FORK/git/refs/heads/trunk"),
httpmock.StringResponse(`{}`))
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER/REPO to OWNER/REPO-FORK\n",
},
{
name: "sync remote fork with parent - notty",
tty: false,
opts: &SyncOptions{
DestArg: "OWNER/REPO-FORK",
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryFindParent\b`),
httpmock.StringResponse(`{"data":{"repository":{"parent":{"name":"REPO","owner":{"login": "OWNER"}}}}}`))
reg.Register(
httpmock.GraphQL(`query RepositoryInfo\b`),
httpmock.StringResponse(`{"data":{"repository":{"defaultBranchRef":{"name": "trunk"}}}}`))
reg.Register(
httpmock.REST("GET", "repos/OWNER/REPO/git/refs/heads/trunk"),
httpmock.StringResponse(`{"object":{"sha":"0xDEADBEEF"}}`))
reg.Register(
httpmock.REST("PATCH", "repos/OWNER/REPO-FORK/git/refs/heads/trunk"),
httpmock.StringResponse(`{}`))
},
wantStdout: "",
},
{
name: "sync remote repo with no parent",
tty: true,
opts: &SyncOptions{
DestArg: "OWNER/REPO",
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryFindParent\b`),
httpmock.StringResponse(`{"data":{"repository":{}}}`))
},
wantErr: true,
errMsg: "can't determine source repository for OWNER/REPO because repository is not fork",
},
{
name: "sync remote repo with specified source repo",
tty: true,
opts: &SyncOptions{
DestArg: "OWNER/REPO",
SrcArg: "OWNER2/REPO2",
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryInfo\b`),
httpmock.StringResponse(`{"data":{"repository":{"defaultBranchRef":{"name": "trunk"}}}}`))
reg.Register(
httpmock.REST("GET", "repos/OWNER2/REPO2/git/refs/heads/trunk"),
httpmock.StringResponse(`{"object":{"sha":"0xDEADBEEF"}}`))
reg.Register(
httpmock.REST("PATCH", "repos/OWNER/REPO/git/refs/heads/trunk"),
httpmock.StringResponse(`{}`))
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER2/REPO2 to OWNER/REPO\n",
},
{
name: "sync remote fork with parent and specified branch",
tty: true,
opts: &SyncOptions{
DestArg: "OWNER/REPO-FORK",
Branch: "test",
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryFindParent\b`),
httpmock.StringResponse(`{"data":{"repository":{"parent":{"name":"REPO","owner":{"login": "OWNER"}}}}}`))
reg.Register(
httpmock.REST("GET", "repos/OWNER/REPO/git/refs/heads/test"),
httpmock.StringResponse(`{"object":{"sha":"0xDEADBEEF"}}`))
reg.Register(
httpmock.REST("PATCH", "repos/OWNER/REPO-FORK/git/refs/heads/test"),
httpmock.StringResponse(`{}`))
},
wantStdout: "✓ Synced the \"test\" branch from OWNER/REPO to OWNER/REPO-FORK\n",
},
{
name: "sync remote fork with parent and force specified",
tty: true,
opts: &SyncOptions{
DestArg: "OWNER/REPO-FORK",
Force: true,
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryFindParent\b`),
httpmock.StringResponse(`{"data":{"repository":{"parent":{"name":"REPO","owner":{"login": "OWNER"}}}}}`))
reg.Register(
httpmock.GraphQL(`query RepositoryInfo\b`),
httpmock.StringResponse(`{"data":{"repository":{"defaultBranchRef":{"name": "trunk"}}}}`))
reg.Register(
httpmock.REST("GET", "repos/OWNER/REPO/git/refs/heads/trunk"),
httpmock.StringResponse(`{"object":{"sha":"0xDEADBEEF"}}`))
reg.Register(
httpmock.REST("PATCH", "repos/OWNER/REPO-FORK/git/refs/heads/trunk"),
httpmock.StringResponse(`{}`))
},
wantStdout: "✓ Synced the \"trunk\" branch from OWNER/REPO to OWNER/REPO-FORK\n",
},
{
name: "sync remote fork with parent and not fast forward merge",
tty: true,
opts: &SyncOptions{
DestArg: "OWNER/REPO-FORK",
},
httpStubs: func(reg *httpmock.Registry) {
reg.Register(
httpmock.GraphQL(`query RepositoryFindParent\b`),
httpmock.StringResponse(`{"data":{"repository":{"parent":{"name":"REPO","owner":{"login": "OWNER"}}}}}`))
reg.Register(
httpmock.GraphQL(`query RepositoryInfo\b`),
httpmock.StringResponse(`{"data":{"repository":{"defaultBranchRef":{"name": "trunk"}}}}`))
reg.Register(
httpmock.REST("GET", "repos/OWNER/REPO/git/refs/heads/trunk"),
httpmock.StringResponse(`{"object":{"sha":"0xDEADBEEF"}}`))
reg.Register(
httpmock.REST("PATCH", "repos/OWNER/REPO-FORK/git/refs/heads/trunk"),
func(req *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: 422,
Request: req,
Header: map[string][]string{"Content-Type": {"application/json"}},
Body: ioutil.NopCloser(bytes.NewBufferString(`{"message":"Update is not a fast forward"}`)),
}, nil
})
},
wantErr: true,
errMsg: "can't sync because there are diverging changes; use `--force` to overwrite the destination branch",
},
}
for _, tt := range tests {
reg := &httpmock.Registry{}
if tt.httpStubs != nil {
tt.httpStubs(reg)
}
tt.opts.HttpClient = func() (*http.Client, error) {
return &http.Client{Transport: reg}, nil
}
io, _, stdout, _ := iostreams.Test()
io.SetStdinTTY(tt.tty)
io.SetStdoutTTY(tt.tty)
tt.opts.IO = io
repo1, _ := ghrepo.FromFullName("OWNER/REPO")
repo2, _ := ghrepo.FromFullName("OWNER2/REPO2")
tt.opts.BaseRepo = func() (ghrepo.Interface, error) {
return repo1, nil
}
tt.opts.Remotes = func() (context.Remotes, error) {
if tt.remotes == nil {
return []*context.Remote{
{
Remote: &git.Remote{Name: "origin"},
Repo: repo1,
},
{
Remote: &git.Remote{Name: "upstream"},
Repo: repo2,
},
}, nil
}
return tt.remotes, nil
}
t.Run(tt.name, func(t *testing.T) {
tt.opts.Git = newMockGitClient(t, tt.gitStubs)
defer reg.Verify(t)
err := syncRun(tt.opts)
if tt.wantErr {
assert.Error(t, err)
assert.Equal(t, tt.errMsg, err.Error())
return
}
assert.NoError(t, err)
assert.Equal(t, tt.wantStdout, stdout.String())
})
}
}
func newMockGitClient(t *testing.T, config func(*mockGitClient)) *mockGitClient {
t.Helper()
m := &mockGitClient{}
m.Test(t)
t.Cleanup(func() {
t.Helper()
m.AssertExpectations(t)
})
if config != nil {
config(m)
}
return m
}