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// SPDX-License-Identifier: GPL-3.0-or-later
package rethinkdb
import (
"bytes"
"errors"
"fmt"
"os"
"strings"
"testing"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
dataStats, _ = os.ReadFile("testdata/v2.4.4/stats.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataStats": dataStats,
} {
require.NotNil(t, data, name)
}
}
func TestRethinkdb_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &Rethinkdb{}, dataConfigJSON, dataConfigYAML)
}
func TestRethinkdb_Init(t *testing.T) {
tests := map[string]struct {
config Config
wantFail bool
}{
"success with default config": {
wantFail: false,
config: New().Config,
},
"fails if address not set": {
wantFail: true,
config: func() Config {
conf := New().Config
conf.Address = ""
return conf
}(),
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rdb := New()
rdb.Config = test.config
if test.wantFail {
assert.Error(t, rdb.Init())
} else {
assert.NoError(t, rdb.Init())
}
})
}
}
func TestRethinkdb_Cleanup(t *testing.T) {
tests := map[string]struct {
prepare func() *Rethinkdb
}{
"not initialized": {
prepare: func() *Rethinkdb {
return New()
},
},
"after check": {
prepare: func() *Rethinkdb {
rdb := New()
rdb.newConn = func(config Config) (rdbConn, error) {
return &mockRethinkdbConn{dataStats: dataStats}, nil
}
_ = rdb.Check()
return rdb
},
},
"after collect": {
prepare: func() *Rethinkdb {
rdb := New()
rdb.newConn = func(config Config) (rdbConn, error) {
return &mockRethinkdbConn{dataStats: dataStats}, nil
}
_ = rdb.Check()
return rdb
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rdb := test.prepare()
assert.NotPanics(t, rdb.Cleanup)
})
}
}
func TestRethinkdb_Check(t *testing.T) {
tests := map[string]struct {
prepare func() *Rethinkdb
wantFail bool
}{
"success on valid response": {
wantFail: false,
prepare: prepareCaseOk,
},
"fails if error on stats": {
wantFail: true,
prepare: prepareCaseErrOnStats,
},
"fails if error on connect": {
wantFail: true,
prepare: prepareCaseErrOnConnect,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rdb := test.prepare()
if test.wantFail {
assert.Error(t, rdb.Check())
} else {
assert.NoError(t, rdb.Check())
}
if m, ok := rdb.rdb.(*mockRethinkdbConn); ok {
assert.False(t, m.disconnectCalled, "rdb close before cleanup")
rdb.Cleanup()
assert.True(t, m.disconnectCalled, "rdb close after cleanup")
}
})
}
}
func TestRethinkdb_Collect(t *testing.T) {
tests := map[string]struct {
prepare func() *Rethinkdb
wantMetrics map[string]int64
wantCharts int
skipChart func(chart *module.Chart) bool
}{
"success on valid response": {
prepare: prepareCaseOk,
wantCharts: len(clusterCharts) + len(serverChartsTmpl)*3,
skipChart: func(chart *module.Chart) bool {
return strings.HasPrefix(chart.ID, "server_0f74c641-af5f-48d6-a005-35b8983c576a") &&
!strings.Contains(chart.ID, "stats_request_status")
},
wantMetrics: map[string]int64{
"cluster_client_connections": 3,
"cluster_clients_active": 3,
"cluster_queries_total": 27,
"cluster_read_docs_total": 3,
"cluster_servers_stats_request_success": 2,
"cluster_servers_stats_request_timeout": 1,
"cluster_written_docs_total": 3,
"server_0f74c641-af5f-48d6-a005-35b8983c576a_stats_request_status_success": 0,
"server_0f74c641-af5f-48d6-a005-35b8983c576a_stats_request_status_timeout": 1,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_client_connections": 1,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_clients_active": 1,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_queries_total": 13,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_read_docs_total": 1,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_stats_request_status_success": 1,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_stats_request_status_timeout": 0,
"server_b7730db2-4303-4719-aef8-2a3c339c672b_written_docs_total": 1,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_client_connections": 2,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_clients_active": 2,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_queries_total": 14,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_read_docs_total": 2,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_stats_request_status_success": 1,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_stats_request_status_timeout": 0,
"server_f325e3c3-22d9-4005-b4b2-1f561d384edc_written_docs_total": 2,
},
},
"fails if error on stats": {
wantCharts: len(clusterCharts),
prepare: prepareCaseErrOnStats,
},
"fails if error on connect": {
wantCharts: len(clusterCharts),
prepare: prepareCaseErrOnStats,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rdb := test.prepare()
require.NoError(t, rdb.Init())
mx := rdb.Collect()
require.Equal(t, test.wantMetrics, mx)
assert.Equal(t, test.wantCharts, len(*rdb.Charts()))
if len(test.wantMetrics) > 0 {
module.TestMetricsHasAllChartsDimsSkip(t, rdb.Charts(), mx, test.skipChart)
}
if m, ok := rdb.rdb.(*mockRethinkdbConn); ok {
assert.False(t, m.disconnectCalled, "rdb close before cleanup")
rdb.Cleanup()
assert.True(t, m.disconnectCalled, "rdb close after cleanup")
}
})
}
}
func prepareCaseOk() *Rethinkdb {
rdb := New()
rdb.newConn = func(cfg Config) (rdbConn, error) {
return &mockRethinkdbConn{dataStats: dataStats}, nil
}
return rdb
}
func prepareCaseErrOnStats() *Rethinkdb {
rdb := New()
rdb.newConn = func(cfg Config) (rdbConn, error) {
return &mockRethinkdbConn{errOnStats: true}, nil
}
return rdb
}
func prepareCaseErrOnConnect() *Rethinkdb {
rdb := New()
rdb.newConn = func(cfg Config) (rdbConn, error) {
return nil, errors.New("mock failed to connect")
}
return rdb
}
type mockRethinkdbConn struct {
dataStats []byte
errOnStats bool
disconnectCalled bool
}
func (m *mockRethinkdbConn) stats() ([][]byte, error) {
if m.errOnStats {
return nil, fmt.Errorf("mock.stats() error")
}
return bytes.Split(bytes.TrimSpace(m.dataStats), []byte("\n")), nil
}
func (m *mockRethinkdbConn) close() error {
m.disconnectCalled = true
return nil
}
|
