mirror of https://github.com/knative/pkg.git
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
/*
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Copyright 2025 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package prometheus
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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)
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func TestNewServerWithOptions(t *testing.T) {
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s, err := NewServer(
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WithHost("127.0.0.1"),
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WithPort("57289"),
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)
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if err != nil {
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t.Fatal("NewServer() =", err)
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}
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got := s.http.Addr
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want := "127.0.0.1:57289"
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if diff := cmp.Diff(want, got); diff != "" {
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t.Error("unexpected diff (-want, +got) : ", diff)
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}
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}
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func TestNewServerEnvOverride(t *testing.T) {
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t.Setenv(prometheusHostEnvName, "0.0.0.0")
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t.Setenv(prometheusPortEnvName, "1028")
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s, err := NewServer(
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WithHost("127.0.0.1"),
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WithPort("57289"),
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)
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if err != nil {
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t.Fatal("NewServer() =", err)
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}
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got := s.http.Addr
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want := "0.0.0.0:1028"
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if diff := cmp.Diff(want, got); diff != "" {
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t.Error("unexpected diff (-want, +got) : ", diff)
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}
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}
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func TestNewServerFailure(t *testing.T) {
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if _, err := NewServer(WithPort("1000000")); err == nil {
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t.Error("expected port parsing to fail")
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}
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if _, err := NewServer(WithPort("80")); err == nil {
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t.Error("expected below port range to fail")
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}
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if _, err := NewServer(WithPort("65536")); err == nil {
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t.Error("expected above port range to fail")
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}
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}
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