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|
// SPDX-License-Identifier: GPL-3.0-or-later
package envoy
import (
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
dataEnvoyConsulDataplane, _ = os.ReadFile("testdata/consul-dataplane.txt")
dataEnvoy, _ = os.ReadFile("testdata/envoy.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataEnvoyConsulDataplane": dataEnvoyConsulDataplane,
"dataEnvoy": dataEnvoy,
} {
require.NotNil(t, data, name)
}
}
func TestEnvoy_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &Envoy{}, dataConfigJSON, dataConfigYAML)
}
func TestEnvoy_Init(t *testing.T) {
tests := map[string]struct {
wantFail bool
config Config
}{
"success with default": {
wantFail: false,
config: New().Config,
},
"fail when URL not set": {
wantFail: true,
config: Config{
HTTP: web.HTTP{
Request: web.Request{URL: ""},
},
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
envoy := New()
envoy.Config = test.config
if test.wantFail {
assert.Error(t, envoy.Init())
} else {
assert.NoError(t, envoy.Init())
}
})
}
}
func TestEnvoy_Cleanup(t *testing.T) {
envoy := New()
assert.NotPanics(t, envoy.Cleanup)
require.NoError(t, envoy.Init())
assert.NotPanics(t, envoy.Cleanup)
}
func TestEnvoy_Charts(t *testing.T) {
envoy, cleanup := prepareCaseEnvoyStats()
defer cleanup()
require.Empty(t, *envoy.Charts())
require.NoError(t, envoy.Init())
_ = envoy.Collect()
require.NotEmpty(t, *envoy.Charts())
}
func TestEnvoy_Check(t *testing.T) {
tests := map[string]struct {
prepare func() (envoy *Envoy, cleanup func())
wantFail bool
}{
"case envoy consul dataplane": {
wantFail: false,
prepare: prepareCaseEnvoyConsulDataplaneStats,
},
"case envoy": {
wantFail: false,
prepare: prepareCaseEnvoyStats,
},
"case invalid data response": {
wantFail: true,
prepare: prepareCaseInvalidDataResponse,
},
"case 404": {
wantFail: true,
prepare: prepareCase404,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
envoy, cleanup := test.prepare()
defer cleanup()
require.NoError(t, envoy.Init())
if test.wantFail {
assert.Error(t, envoy.Check())
} else {
assert.NoError(t, envoy.Check())
}
})
}
}
func TestEnvoy_Collect(t *testing.T) {
tests := map[string]struct {
prepare func() (envoy *Envoy, cleanup func())
wantMetrics map[string]int64
}{
"case envoy consul dataplane": {
prepare: prepareCaseEnvoyConsulDataplaneStats,
wantMetrics: map[string]int64{
"envoy_cluster_manager_active_clusters_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 4,
"envoy_cluster_manager_cluster_added_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 4,
"envoy_cluster_manager_cluster_modified_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 0,
"envoy_cluster_manager_cluster_removed_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 0,
"envoy_cluster_manager_cluster_updated_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 2,
"envoy_cluster_manager_cluster_updated_via_merge_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 0,
"envoy_cluster_manager_update_merge_cancelled_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 0,
"envoy_cluster_manager_update_out_of_merge_window_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 0,
"envoy_cluster_manager_warming_clusters_consul-sandbox-cluster-0159c9d3_default_default_mynginx_mynginx": 0,
"envoy_cluster_membership_change_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 1,
"envoy_cluster_membership_change_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 1,
"envoy_cluster_membership_change_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 2,
"envoy_cluster_membership_change_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 1,
"envoy_cluster_membership_degraded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_membership_degraded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_membership_degraded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_membership_degraded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_membership_excluded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_membership_excluded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_membership_excluded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_membership_excluded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_membership_healthy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 1,
"envoy_cluster_membership_healthy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 1,
"envoy_cluster_membership_healthy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_membership_healthy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 1,
"envoy_cluster_update_empty_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_update_empty_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_update_empty_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_update_empty_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_update_failure_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_update_failure_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_update_failure_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_update_failure_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_update_no_rebuild_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_update_no_rebuild_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_update_no_rebuild_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_update_no_rebuild_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_update_success_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_update_success_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_update_success_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_update_success_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_active_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 1,
"envoy_cluster_upstream_cx_active_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_active_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_active_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 2,
"envoy_cluster_upstream_cx_connect_attempts_exceeded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_connect_attempts_exceeded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_connect_attempts_exceeded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_connect_attempts_exceeded_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_connect_fail_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_connect_fail_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_connect_fail_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_connect_fail_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_connect_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_connect_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_connect_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_connect_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 6507,
"envoy_cluster_upstream_cx_destroy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 1,
"envoy_cluster_upstream_cx_destroy_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_local_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_local_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 6507,
"envoy_cluster_upstream_cx_destroy_local_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_local_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_remote_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_remote_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_destroy_remote_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 1,
"envoy_cluster_upstream_cx_destroy_remote_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_http1_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_http1_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_http1_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_http1_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 2,
"envoy_cluster_upstream_cx_http2_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 1,
"envoy_cluster_upstream_cx_http2_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_http2_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_http2_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_http3_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_http3_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_http3_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_http3_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_idle_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_idle_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_idle_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_idle_timeout_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_max_duration_reached_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_max_duration_reached_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_max_duration_reached_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_max_duration_reached_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_overflow_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 0,
"envoy_cluster_upstream_cx_overflow_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_overflow_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_overflow_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 0,
"envoy_cluster_upstream_cx_rx_bytes_buffered_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 17,
"envoy_cluster_upstream_cx_rx_bytes_buffered_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_rx_bytes_buffered_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 0,
"envoy_cluster_upstream_cx_rx_bytes_buffered_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 102618,
"envoy_cluster_upstream_cx_rx_bytes_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 3853,
"envoy_cluster_upstream_cx_rx_bytes_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 0,
"envoy_cluster_upstream_cx_rx_bytes_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 8645645,
"envoy_cluster_upstream_cx_rx_bytes_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 724779,
"envoy_cluster_upstream_cx_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_consul-dataplane_mynginx": 1,
"envoy_cluster_upstream_cx_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_local_app_mynginx": 6507,
"envoy_cluster_upstream_cx_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_original-destination_mynginx": 1,
"envoy_cluster_upstream_cx_total_consul-sandbox-cluster-0159c9d3_default_default_mynginx_prometheus_backend_mynginx": 2,
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"envoy_cluster_upstream_rq_max_duration_reached_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_pending_active_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_pending_failure_eject_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_pending_overflow_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_pending_total_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_per_try_timeout_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_retry_backoff_exponential_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_retry_backoff_ratelimited_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_retry_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_retry_success_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_rx_reset_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_timeout_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_total_service_envoyproxy_io": 0,
"envoy_cluster_upstream_rq_tx_reset_service_envoyproxy_io": 0,
"envoy_listener_admin_downstream_cx_active": 2,
"envoy_listener_admin_downstream_cx_destroy": 4,
"envoy_listener_admin_downstream_cx_overflow": 0,
"envoy_listener_admin_downstream_cx_overload_reject": 0,
"envoy_listener_admin_downstream_cx_total": 6,
"envoy_listener_admin_downstream_cx_transport_socket_connect_timeout": 0,
"envoy_listener_admin_downstream_global_cx_overflow": 0,
"envoy_listener_admin_downstream_listener_filter_error": 0,
"envoy_listener_admin_downstream_listener_filter_remote_close": 0,
"envoy_listener_admin_downstream_pre_cx_active": 0,
"envoy_listener_admin_downstream_pre_cx_timeout": 0,
"envoy_listener_downstream_cx_active_0.0.0.0_10000": 0,
"envoy_listener_downstream_cx_destroy_0.0.0.0_10000": 0,
"envoy_listener_downstream_cx_overflow_0.0.0.0_10000": 0,
"envoy_listener_downstream_cx_overload_reject_0.0.0.0_10000": 0,
"envoy_listener_downstream_cx_total_0.0.0.0_10000": 0,
"envoy_listener_downstream_cx_transport_socket_connect_timeout_0.0.0.0_10000": 0,
"envoy_listener_downstream_global_cx_overflow_0.0.0.0_10000": 0,
"envoy_listener_downstream_listener_filter_error_0.0.0.0_10000": 0,
"envoy_listener_downstream_listener_filter_remote_close_0.0.0.0_10000": 0,
"envoy_listener_downstream_pre_cx_active_0.0.0.0_10000": 0,
"envoy_listener_downstream_pre_cx_timeout_0.0.0.0_10000": 0,
"envoy_listener_manager_listener_added": 1,
"envoy_listener_manager_listener_create_failure": 0,
"envoy_listener_manager_listener_create_success": 16,
"envoy_listener_manager_listener_in_place_updated": 0,
"envoy_listener_manager_listener_modified": 0,
"envoy_listener_manager_listener_removed": 0,
"envoy_listener_manager_listener_stopped": 0,
"envoy_listener_manager_total_listeners_active": 1,
"envoy_listener_manager_total_listeners_draining": 0,
"envoy_listener_manager_total_listeners_warming": 0,
"envoy_server_memory_allocated": 7630184,
"envoy_server_memory_heap_size": 16777216,
"envoy_server_memory_physical_size": 28426958,
"envoy_server_parent_connections": 0,
"envoy_server_state_draining": 0,
"envoy_server_state_initializing": 0,
"envoy_server_state_live": 1,
"envoy_server_state_pre_initializing": 0,
"envoy_server_total_connections": 0,
"envoy_server_uptime": 6225,
},
},
"case invalid data response": {
prepare: prepareCaseInvalidDataResponse,
wantMetrics: nil,
},
"case 404": {
prepare: prepareCase404,
wantMetrics: nil,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
envoy, cleanup := test.prepare()
defer cleanup()
require.NoError(t, envoy.Init())
mx := envoy.Collect()
require.Equal(t, test.wantMetrics, mx)
ensureCollectedHasAllChartsDimsVarsIDs(t, envoy, mx)
})
}
}
func ensureCollectedHasAllChartsDimsVarsIDs(t *testing.T, envoy *Envoy, mx map[string]int64) {
for _, chart := range *envoy.Charts() {
for _, dim := range chart.Dims {
_, ok := mx[dim.ID]
assert.Truef(t, ok, "collected metrics has no data for dim '%s' chart '%s'", dim.ID, chart.ID)
}
for _, v := range chart.Vars {
_, ok := mx[v.ID]
assert.Truef(t, ok, "collected metrics has no data for var '%s' chart '%s'", v.ID, chart.ID)
}
}
}
func prepareCaseEnvoyConsulDataplaneStats() (*Envoy, func()) {
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataEnvoyConsulDataplane)
}))
envoy := New()
envoy.URL = srv.URL
return envoy, srv.Close
}
func prepareCaseEnvoyStats() (*Envoy, func()) {
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataEnvoy)
}))
envoy := New()
envoy.URL = srv.URL
return envoy, srv.Close
}
func prepareCaseInvalidDataResponse() (*Envoy, func()) {
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte("hello and\n goodbye"))
}))
envoy := New()
envoy.URL = srv.URL
return envoy, srv.Close
}
func prepareCase404() (*Envoy, func()) {
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
}))
envoy := New()
envoy.URL = srv.URL
return envoy, srv.Close
}
|
