helmfile/event/bus_test.go

114 lines
2.4 KiB
Go

package event
import (
"fmt"
"github.com/roboll/helmfile/environment"
"github.com/roboll/helmfile/helmexec"
"os"
"testing"
)
var logger = helmexec.NewLogger(os.Stdout, "warn")
type runner struct {
}
func (r *runner) Execute(cmd string, args []string) ([]byte, error) {
if cmd == "ng" {
return nil, fmt.Errorf("cmd failed due to invalid cmd: %s", cmd)
}
for _, a := range args {
if a == "ng" {
return nil, fmt.Errorf("cmd failed due to invalid arg: %s", a)
}
}
return []byte(""), nil
}
func TestTrigger(t *testing.T) {
cases := []struct {
name string
hook *Hook
triggeredEvt string
expectedResult bool
expectedErr string
}{
{
"okhook1",
&Hook{"okhook1", []string{"foo"}, "ok", []string{}},
"foo",
true,
"",
},
{
"missinghook1",
&Hook{"okhook1", []string{"foo"}, "ok", []string{}},
"bar",
false,
"",
},
{
"nohook1",
nil,
"bar",
false,
"",
},
{
"nghook1",
&Hook{"nghook1", []string{"foo"}, "ng", []string{}},
"foo",
false,
"hook[nghook1]: command `ng` failed: cmd failed due to invalid cmd: ng",
},
{
"nghook2",
&Hook{"nghook2", []string{"foo"}, "ok", []string{"ng"}},
"foo",
false,
"hook[nghook2]: command `ok` failed: cmd failed due to invalid arg: ng",
},
}
readFile := func(filename string) ([]byte, error) {
return nil, fmt.Errorf("unexpected call to readFile: %s", filename)
}
for _, c := range cases {
hooks := []Hook{}
if c.hook != nil {
hooks = append(hooks, *c.hook)
}
bus := &Bus{
Hooks: hooks,
StateFilePath: "path/to/helmfile.yaml",
BasePath: "path/to",
Namespace: "myns",
Env: environment.Environment{Name: "prod"},
Logger: logger,
ReadFile: readFile,
}
bus.Runner = &runner{}
data := map[string]interface{}{
"Release": "myrel",
"HelmfileCommand": "mycmd",
}
ok, err := bus.Trigger(c.triggeredEvt, data)
if ok != c.expectedResult {
t.Errorf("unexpected result for case \"%s\": expected=%v, actual=%v", c.name, c.expectedResult, ok)
}
if c.expectedErr != "" {
if err == nil {
t.Error("error expected, but not occurred")
} else if err.Error() != c.expectedErr {
t.Errorf("unexpected error for case \"%s\": expected=%s, actual=%v", c.name, c.expectedErr, err)
}
} else {
if err != nil {
t.Errorf("unexpected error for case \"%s\": %v", c.name, err)
}
}
}
}