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|
package config
import (
"fmt"
"os"
"testing"
)
func TestFromEnvVars(t *testing.T) {
for _, tc := range []struct {
name string
env map[string]string
defaults *Config
want *Config
}{
{
name: "no vars, no default values",
env: map[string]string{},
want: &Config{},
},
{
name: "no vars, only defaults",
env: map[string]string{},
defaults: &Config{
Port: "6666",
UsersFile: "/default/user/path",
RedirectURI: []string{"re", "direct", "uris"},
},
want: &Config{
Port: "6666",
UsersFile: "/default/user/path",
RedirectURI: []string{"re", "direct", "uris"},
},
},
{
name: "overriding default values",
env: map[string]string{
"PORT": "1234",
"USERS_FILE": "/path/to/users",
"REDIRECT_URI": "http://redirect/redirect",
},
defaults: &Config{
Port: "6666",
UsersFile: "/default/user/path",
RedirectURI: []string{"re", "direct", "uris"},
},
want: &Config{
Port: "1234",
UsersFile: "/path/to/users",
RedirectURI: []string{"http://redirect/redirect"},
},
},
{
name: "multiple redirect uris",
env: map[string]string{
"REDIRECT_URI": "http://host_1,http://host_2,http://host_3",
},
want: &Config{
RedirectURI: []string{
"http://host_1", "http://host_2", "http://host_3",
},
},
},
} {
t.Run(tc.name, func(t *testing.T) {
os.Clearenv()
for k, v := range tc.env {
os.Setenv(k, v)
}
cfg := FromEnvVars(tc.defaults)
if fmt.Sprint(cfg) != fmt.Sprint(tc.want) {
t.Errorf("Expected FromEnvVars()=%q, but got %q", tc.want, cfg)
}
})
}
}
|
