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/*
GoToSocial
Copyright (C) 2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package config_test
import (
"os"
"strings"
"testing"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/stretchr/testify/assert"
"github.com/superseriousbusiness/gotosocial/internal/config"
"gopkg.in/yaml.v3"
)
func expectedKV(kvpairs ...string) map[string]interface{} {
ret := make(map[string]interface{}, len(kvpairs)/2)
for i := 0; i < len(kvpairs)-1; i += 2 {
ret[kvpairs[i]] = kvpairs[i+1]
}
return ret
}
func expectedFile(t *testing.T, file string) map[string]interface{} {
expectedConfig, err := os.ReadFile(file)
if err != nil {
t.Errorf("error reading expected config from file %q: %v", file, err)
}
var ret map[string]interface{}
if err := yaml.Unmarshal(expectedConfig, &ret); err != nil {
t.Errorf("error parsing expected config from file %q: %v", file, err)
}
return ret
}
func TestCLIParsing(t *testing.T) {
type testcase struct {
cli []string
env []string
expected map[string]interface{}
}
defaults, _ := config.Defaults.MarshalMap()
testcases := map[string]testcase{
"Make sure defaults are set correctly": {
expected: defaults,
},
"Override db-address from default using cli flag": {
cli: []string{
"--db-address", "some.db.address",
},
expected: expectedKV(
"db-address", "some.db.address",
),
},
"Override db-address from default using env var": {
env: []string{
"GTS_DB_ADDRESS=some.db.address",
},
expected: expectedKV(
"db-address", "some.db.address",
),
},
"Override db-address from default using both env var and cli flag. The cli flag should take priority": {
cli: []string{
"--db-address", "some.db.address",
},
env: []string{
"GTS_DB_ADDRESS=some.other.db.address",
},
expected: expectedKV(
"db-address", "some.db.address",
),
},
"Loading a config file via env var": {
env: []string{
"GTS_CONFIG_PATH=testdata/test.yaml",
},
expected: expectedFile(t, "testdata/test.yaml"),
},
"Loading a config file via cli flag": {
cli: []string{
"--config-path", "testdata/test.yaml",
},
expected: expectedFile(t, "testdata/test.yaml"),
},
"Loading a config file and overriding one of the variables with a cli flag": {
cli: []string{
"--config-path", "testdata/test.yaml",
"--account-domain", "my.test.domain",
},
// only checking our overridden one and one non-default from the config file here instead of including all of test.yaml
expected: expectedKV(
"account-domain", "my.test.domain",
"host", "gts.example.org",
),
},
"Loading a config file and overriding one of the variables with an env var": {
cli: []string{
"--config-path", "testdata/test.yaml",
},
env: []string{
"GTS_ACCOUNT_DOMAIN=my.test.domain",
},
// only checking our overridden one and one non-default from the config file here instead of including all of test.yaml
expected: expectedKV(
"account-domain", "my.test.domain",
"host", "gts.example.org",
),
},
"Loading a config file and overriding one of the variables with both an env var and a cli flag. The cli flag should have priority": {
cli: []string{
"--config-path", "testdata/test.yaml",
"--account-domain", "my.test.domain",
},
env: []string{
"GTS_ACCOUNT_DOMAIN=my.wrong.test.domain",
},
// only checking our overridden one and one non-default from the config file here instead of including all of test.yaml
expected: expectedKV(
"account-domain", "my.test.domain",
"host", "gts.example.org",
),
},
"Loading a config file from json": {
cli: []string{
"--config-path", "testdata/test.json",
},
expected: expectedFile(t, "testdata/test.json"),
},
"Loading a partial config file. Default values should be used apart from those set in the config file": {
cli: []string{
"--config-path", "testdata/test2.yaml",
},
expected: expectedKV(
"log-level", "trace",
"account-domain", "peepee.poopoo",
"application-name", "gotosocial",
),
},
}
for desc, data := range testcases {
t.Run(desc, func(t *testing.T) {
os.Clearenv()
if data.env != nil {
for _, s := range data.env {
kv := strings.SplitN(s, "=", 2)
os.Setenv(kv[0], kv[1])
}
}
state := config.NewState()
cmd := cobra.Command{}
state.AddGlobalFlags(&cmd)
state.AddServerFlags(&cmd)
if data.cli != nil {
cmd.ParseFlags(data.cli)
}
state.BindFlags(&cmd)
state.Reload()
state.Viper(func(v *viper.Viper) {
for k, ev := range data.expected {
assert.EqualValues(t, ev, v.Get(k))
}
})
})
}
}
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