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main_test.go
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main_test.go
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package main
import (
"os"
"testing"
"github.com/prebid/prebid-server/v2/config"
"github.com/stretchr/testify/assert"
"github.com/spf13/viper"
)
func compareStrings(t *testing.T, message string, expect string, actual string) {
if expect != actual {
t.Errorf(message, expect, actual)
}
}
// forceEnv sets an environment variable to a certain value, and return a deferable function to reset it to the original value.
func forceEnv(t *testing.T, key string, val string) func() {
orig, set := os.LookupEnv(key)
err := os.Setenv(key, val)
if err != nil {
t.Fatalf("Error setting environment %s", key)
}
if set {
return func() {
if os.Setenv(key, orig) != nil {
t.Fatalf("Error unsetting environment %s", key)
}
}
}
return func() {
if os.Unsetenv(key) != nil {
t.Fatalf("Error unsetting environment %s", key)
}
}
}
// Test the viper setup
func TestViperInit(t *testing.T) {
v := viper.New()
config.SetupViper(v, "", nil)
compareStrings(t, "Viper error: external_url expected to be %s, found %s", "http://localhost:8000", v.Get("external_url").(string))
compareStrings(t, "Viper error: accounts.filesystem.directorypath expected to be %s, found %s", "./stored_requests/data/by_id", v.Get("accounts.filesystem.directorypath").(string))
}
func TestViperEnv(t *testing.T) {
v := viper.New()
config.SetupViper(v, "", nil)
port := forceEnv(t, "PBS_PORT", "7777")
defer port()
endpt := forceEnv(t, "PBS_EXPERIMENT_ADSCERT_INPROCESS_ORIGIN", "not_an_endpoint")
defer endpt()
ttl := forceEnv(t, "PBS_HOST_COOKIE_TTL_DAYS", "60")
defer ttl()
ipv4Networks := forceEnv(t, "PBS_REQUEST_VALIDATION_IPV4_PRIVATE_NETWORKS", "1.1.1.1/24 2.2.2.2/24")
defer ipv4Networks()
assert.Equal(t, 7777, v.Get("port"), "Basic Config")
assert.Equal(t, "not_an_endpoint", v.Get("experiment.adscert.inprocess.origin"), "Nested Config")
assert.Equal(t, 60, v.Get("host_cookie.ttl_days"), "Config With Underscores")
assert.ElementsMatch(t, []string{"1.1.1.1/24", "2.2.2.2/24"}, v.Get("request_validation.ipv4_private_networks"), "Arrays")
}