Files
atlantis/cmd/server_test.go
2017-10-31 20:07:41 -07:00

304 lines
8.2 KiB
Go

package cmd_test
import (
"io/ioutil"
"os"
"strings"
"testing"
"github.com/hootsuite/atlantis/cmd"
"github.com/hootsuite/atlantis/server"
. "github.com/hootsuite/atlantis/testing"
"github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
// passedConfig is set to whatever config ended up being passed to NewServer.
// Used for testing.
var passedConfig server.Config
type ServerCreatorMock struct{}
func (s *ServerCreatorMock) NewServer(config server.Config) (cmd.ServerStarter, error) {
passedConfig = config
return &ServerStarterMock{}, nil
}
type ServerStarterMock struct{}
func (s *ServerStarterMock) Start() error {
return nil
}
func TestExecute_NoConfigFlag(t *testing.T) {
t.Log("If there is no config flag specified Execute should return nil.")
c := setup(map[string]interface{}{
cmd.ConfigFlag: "",
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Ok(t, err)
}
func TestExecute_ConfigFileExtension(t *testing.T) {
t.Log("If the config file doesn't have an extension then error.")
c := setup(map[string]interface{}{
cmd.ConfigFlag: "does-not-exist",
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Equals(t, "invalid config: reading does-not-exist: Unsupported Config Type \"\"", err.Error())
}
func TestExecute_ConfigFileMissing(t *testing.T) {
t.Log("If the config file doesn't exist then error.")
c := setup(map[string]interface{}{
cmd.ConfigFlag: "does-not-exist.yaml",
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Equals(t, "invalid config: reading does-not-exist.yaml: open does-not-exist.yaml: no such file or directory", err.Error())
}
func TestExecute_ConfigFileExists(t *testing.T) {
t.Log("If the config file exists then there should be no error.")
tmpFile := tempFile(t, "")
defer os.Remove(tmpFile) // nolint: errcheck
c := setup(map[string]interface{}{
cmd.ConfigFlag: tmpFile,
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Ok(t, err)
}
func TestExecute_InvalidConfig(t *testing.T) {
t.Log("If the config file contains invalid yaml there should be an error.")
tmpFile := tempFile(t, "invalidyaml")
defer os.Remove(tmpFile) // nolint: errcheck
c := setup(map[string]interface{}{
cmd.ConfigFlag: tmpFile,
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Assert(t, strings.Contains(err.Error(), "unmarshal errors"), "should be an unmarshal error")
}
func TestExecute_Validation(t *testing.T) {
cases := []struct {
description string
flags map[string]interface{}
expErr string
}{
{
"Should validate log level.",
map[string]interface{}{
cmd.LogLevelFlag: "invalid",
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
},
"invalid log level: not one of debug, info, warn, error",
},
{
"Should ensure github user is set.",
map[string]interface{}{
cmd.GHTokenFlag: "token",
},
"--gh-user must be set",
},
{
"Should ensure github token is set.",
map[string]interface{}{
cmd.GHUserFlag: "user",
},
"--gh-token must be set",
},
}
for _, testCase := range cases {
t.Log(testCase.description)
c := setup(testCase.flags)
err := c.Execute()
Assert(t, err != nil, "should be an error")
Equals(t, testCase.expErr, err.Error())
}
}
func TestExecute_Defaults(t *testing.T) {
t.Log("Should set the defaults for all unspecified flags.")
c := setup(map[string]interface{}{
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Ok(t, err)
Equals(t, "user", passedConfig.GithubUser)
Equals(t, "token", passedConfig.GithubToken)
Equals(t, "", passedConfig.GithubWebHookSecret)
// Get our hostname since that's what gets defaulted to
hostname, err := os.Hostname()
Ok(t, err)
Equals(t, "http://"+hostname+":4141", passedConfig.AtlantisURL)
// Get our home dir since that's what gets defaulted to
dataDir, err := homedir.Expand("~/.atlantis")
Ok(t, err)
Equals(t, dataDir, passedConfig.DataDir)
Equals(t, "github.com", passedConfig.GithubHostname)
Equals(t, "info", passedConfig.LogLevel)
Equals(t, false, passedConfig.RequireApproval)
Equals(t, 4141, passedConfig.Port)
}
func TestExecute_ExpandHomeDir(t *testing.T) {
t.Log("Should expand the ~ in the home dir to the actual home dir.")
c := setup(map[string]interface{}{
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
cmd.DataDirFlag: "~/this/is/a/path",
})
err := c.Execute()
Ok(t, err)
home, err := homedir.Dir()
Ok(t, err)
Equals(t, home+"/this/is/a/path", passedConfig.DataDir)
}
func TestExecute_GithubUser(t *testing.T) {
t.Log("Should remove the @ from the github username if it's passed.")
c := setup(map[string]interface{}{
cmd.GHUserFlag: "@user",
cmd.GHTokenFlag: "token",
})
err := c.Execute()
Ok(t, err)
Equals(t, "user", passedConfig.GithubUser)
}
func TestExecute_Flags(t *testing.T) {
t.Log("Should use all flags that are set.")
c := setup(map[string]interface{}{
cmd.AtlantisURLFlag: "url",
cmd.DataDirFlag: "path",
cmd.GHHostnameFlag: "ghhostname",
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "token",
cmd.GHWebHookSecret: "secret",
cmd.LogLevelFlag: "debug",
cmd.PortFlag: 8181,
cmd.RequireApprovalFlag: true,
})
err := c.Execute()
Ok(t, err)
Equals(t, "url", passedConfig.AtlantisURL)
Equals(t, "path", passedConfig.DataDir)
Equals(t, "ghhostname", passedConfig.GithubHostname)
Equals(t, "user", passedConfig.GithubUser)
Equals(t, "token", passedConfig.GithubToken)
Equals(t, "secret", passedConfig.GithubWebHookSecret)
Equals(t, "debug", passedConfig.LogLevel)
Equals(t, 8181, passedConfig.Port)
Equals(t, true, passedConfig.RequireApproval)
}
func TestExecute_ConfigFile(t *testing.T) {
t.Log("Should use all the values from the config file.")
tmpFile := tempFile(t, `---
atlantis-url: "url"
data-dir: "path"
gh-hostname: "ghhostname"
gh-user: "user"
gh-token: "token"
gh-webhook-secret: "secret"
log-level: "debug"
port: 8181
require-approval: true`)
defer os.Remove(tmpFile) // nolint: errcheck
c := setup(map[string]interface{}{
cmd.ConfigFlag: tmpFile,
})
err := c.Execute()
Ok(t, err)
Equals(t, "url", passedConfig.AtlantisURL)
Equals(t, "path", passedConfig.DataDir)
Equals(t, "ghhostname", passedConfig.GithubHostname)
Equals(t, "user", passedConfig.GithubUser)
Equals(t, "token", passedConfig.GithubToken)
Equals(t, "secret", passedConfig.GithubWebHookSecret)
Equals(t, "debug", passedConfig.LogLevel)
Equals(t, 8181, passedConfig.Port)
Equals(t, true, passedConfig.RequireApproval)
}
func TestExecute_EnvironmentOverride(t *testing.T) {
t.Log("Environment variables should override config file flags.")
tmpFile := tempFile(t, "gh-user: config\ngh-token: config2")
defer os.Remove(tmpFile) // nolint: errcheck
os.Setenv("ATLANTIS_GH_TOKEN", "override") // nolint: errcheck
c := setup(map[string]interface{}{
cmd.ConfigFlag: tmpFile,
})
err := c.Execute()
Ok(t, err)
Equals(t, "override", passedConfig.GithubToken)
}
func TestExecute_FlagConfigOverride(t *testing.T) {
t.Log("Flags should override config file flags.")
os.Setenv("ATLANTIS_GH_TOKEN", "env-var") // nolint: errcheck
c := setup(map[string]interface{}{
cmd.GHUserFlag: "user",
cmd.GHTokenFlag: "override",
})
err := c.Execute()
Ok(t, err)
Equals(t, "override", passedConfig.GithubToken)
}
func TestExecute_FlagEnvVarOverride(t *testing.T) {
t.Log("Flags should override environment variables.")
tmpFile := tempFile(t, "gh-user: config\ngh-token: config2")
defer os.Remove(tmpFile) // nolint: errcheck
c := setup(map[string]interface{}{
cmd.ConfigFlag: tmpFile,
cmd.GHTokenFlag: "override",
})
err := c.Execute()
Ok(t, err)
Equals(t, "override", passedConfig.GithubToken)
}
func setup(flags map[string]interface{}) *cobra.Command {
viper := viper.New()
for k, v := range flags {
viper.Set(k, v)
}
c := &cmd.ServerCmd{
ServerCreator: &ServerCreatorMock{},
Viper: viper,
SilenceOutput: true,
}
return c.Init()
}
func tempFile(t *testing.T, contents string) string {
f, err := ioutil.TempFile("", "")
Ok(t, err)
newName := f.Name() + ".yaml"
err = os.Rename(f.Name(), newName)
Ok(t, err)
ioutil.WriteFile(newName, []byte(contents), 0644) // nolint: errcheck
return newName
}