featurebase/stats/stats_test.go

267 lines
8.2 KiB
Go

// Copyright 2017 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package stats_test
import (
"context"
"fmt"
"net/http/httptest"
"strings"
"testing"
"time"
"github.com/molecula/featurebase/v2"
"github.com/molecula/featurebase/v2/http"
"github.com/molecula/featurebase/v2/logger"
"github.com/molecula/featurebase/v2/stats"
"github.com/molecula/featurebase/v2/test"
)
// TestMultiStatClient_Expvar run the multistat client with exp var
// since the EXPVAR data is stored in a global we should run these in one test function
func TestMultiStatClient_Expvar(t *testing.T) {
hldr := test.MustOpenHolder(t)
defer hldr.Close()
c := stats.NewExpvarStatsClient()
ms := make(stats.MultiStatsClient, 1)
ms[0] = c
hldr.Stats = ms
hldr.SetBit("d", "f", 0, 0)
hldr.SetBit("d", "f", 0, 1)
hldr.SetBit("d", "f", 0, pilosa.ShardWidth)
hldr.SetBit("d", "f", 0, pilosa.ShardWidth+2)
hldr.ClearBit("d", "f", 0, 1)
indexStats := fmt.Sprintf(`{"%s": %d, "%s": %d}`, pilosa.MetricClearBit, 1, pilosa.MetricSetBit, 4)
if stats.Expvar.String() != `{"index:d": `+indexStats+`}` {
t.Fatalf("unexpected expvar : %s", stats.Expvar.String())
}
hldr.Stats.CountWithCustomTags("cc", 1, 1.0, []string{"foo:bar"})
if stats.Expvar.String() != `{"cc": 1, "index:d": `+indexStats+`}` {
t.Fatalf("unexpected expvar : %s", stats.Expvar.String())
}
// Gauge creates a unique key, subsequent Gauge calls will overwrite
hldr.Stats.Gauge("g", 5, 1.0)
hldr.Stats.Gauge("g", 8, 1.0)
if stats.Expvar.String() != `{"cc": 1, "g": 8, "index:d": `+indexStats+`}` {
t.Fatalf("unexpected expvar : %s", stats.Expvar.String())
}
// Set creates a unique key, subsequent sets will overwrite
hldr.Stats.Set("s", "4", 1.0)
hldr.Stats.Set("s", "7", 1.0)
if stats.Expvar.String() != `{"cc": 1, "g": 8, "index:d": `+indexStats+`, "s": "7"}` {
t.Fatalf("unexpected expvar : %s", stats.Expvar.String())
}
// Record timing duration and a uniquely Set key/value
dur, _ := time.ParseDuration("123us")
hldr.Stats.Timing("tt", dur, 1.0)
if stats.Expvar.String() != `{"cc": 1, "g": 8, "index:d": `+indexStats+`, "s": "7", "tt": 123µs}` {
t.Fatalf("unexpected expvar : %s", stats.Expvar.String())
}
// Expvar histogram is implemented as a gauge
hldr.Stats.Histogram("hh", 3, 1.0)
if stats.Expvar.String() != `{"cc": 1, "g": 8, "hh": 3, "index:d": `+indexStats+`, "s": "7", "tt": 123µs}` {
t.Fatalf("unexpected expvar : %s", stats.Expvar.String())
}
// Expvar should ignore earlier set tags from setbit
if hldr.Stats.Tags() != nil {
t.Fatalf("unexpected tag")
}
}
func TestStatsCount_TopN(t *testing.T) {
c := test.MustRunCluster(t, 1)
defer c.Close()
hldr := test.Holder{Holder: c.GetNode(0).Server.Holder()}
hldr.SetBit("d", "f", 0, 0)
hldr.SetBit("d", "f", 0, 1)
hldr.SetBit("d", "f", 0, pilosa.ShardWidth)
hldr.SetBit("d", "f", 0, pilosa.ShardWidth+2)
// Execute query.
called := false
hldr.Holder.Stats = &MockStats{
mockCountWithTags: func(name string, value int64, rate float64, tags []string) {
if name != "query_topn_total" {
t.Errorf("Expected query_topn_total, Results %s", name)
}
if tags[0] != "index:d" {
t.Errorf("Expected index, Results %s", tags[0])
}
called = true
},
}
if _, err := c.GetNode(0).API.Query(context.Background(), &pilosa.QueryRequest{Index: "d", Query: `TopN(field=f, n=2)`}); err != nil {
t.Fatal(err)
}
if !called {
t.Error("CountWithCustomTags name isn't called")
}
}
func TestStatsCount_Bitmap(t *testing.T) {
c := test.MustRunCluster(t, 1)
defer c.Close()
hldr := test.Holder{Holder: c.GetNode(0).Server.Holder()}
hldr.SetBit("d", "f", 0, 0)
hldr.SetBit("d", "f", 0, 1)
called := false
hldr.Holder.Stats = &MockStats{
mockCountWithTags: func(name string, value int64, rate float64, tags []string) {
if name != pilosa.MetricRow {
t.Errorf("Expected %s, Results %s", pilosa.MetricRow, name)
}
if tags[0] != "index:d" {
t.Errorf("Expected index, Results %s", tags[0])
}
called = true
},
}
if _, err := c.GetNode(0).API.Query(context.Background(), &pilosa.QueryRequest{Index: "d", Query: `Row(f=0)`}); err != nil {
t.Fatal(err)
}
if !called {
t.Error("CountWithCustomTags name isn't called")
}
}
func TestStatsCount_APICalls(t *testing.T) {
cluster := test.MustRunCluster(t, 1)
defer cluster.Close()
cmd := cluster.GetNode(0)
h := cmd.Handler.(*http.Handler).Handler
holder := cmd.Server.Holder()
hldr := test.Holder{Holder: holder}
t.Run("create index", func(t *testing.T) {
called := false
hldr.Stats = &MockStats{
mockCount: func(name string, value int64, rate float64) {
if name != pilosa.MetricCreateIndex {
t.Errorf("Expected %v, Results %s", pilosa.MetricCreateIndex, name)
}
called = true
},
}
w := httptest.NewRecorder()
h.ServeHTTP(w, test.MustNewHTTPRequest("POST", "/index/i", strings.NewReader("")))
if !called {
t.Error("Count isn't called")
}
})
t.Run("create field", func(t *testing.T) {
called := false
hldr.Stats = &MockStats{
mockCountWithTags: func(name string, value int64, rate float64, index []string) {
if name != pilosa.MetricCreateField {
t.Errorf("Expected %v, Results %s", pilosa.MetricCreateField, name)
}
if index[0] != "index:i" {
t.Errorf("Expected index:i, Results %s", index)
}
called = true
},
}
w := httptest.NewRecorder()
h.ServeHTTP(w, test.MustNewHTTPRequest("POST", "/index/i/field/f", strings.NewReader("")))
if !called {
t.Error("Count isn't called")
}
})
t.Run("delete field", func(t *testing.T) {
called := false
hldr.Stats = &MockStats{
mockCountWithTags: func(name string, value int64, rate float64, index []string) {
if name != pilosa.MetricDeleteField {
t.Errorf("Expected %v, Results %s", pilosa.MetricDeleteField, name)
}
if index[0] != "index:i" {
t.Errorf("Expected index:i, Results %s", index)
}
called = true
},
}
w := httptest.NewRecorder()
h.ServeHTTP(w, test.MustNewHTTPRequest("DELETE", "/index/i/field/f", strings.NewReader("")))
if !called {
t.Error("Count isn't called")
}
})
t.Run("delete index", func(t *testing.T) {
called := false
hldr.Stats = &MockStats{
mockCount: func(name string, value int64, rate float64) {
if name != pilosa.MetricDeleteIndex {
t.Errorf("Expected %v, Results %s", pilosa.MetricDeleteIndex, name)
}
called = true
},
}
w := httptest.NewRecorder()
h.ServeHTTP(w, test.MustNewHTTPRequest("DELETE", "/index/i", strings.NewReader("")))
if !called {
t.Error("Count isn't called")
}
})
}
type MockStats struct {
mockCount func(name string, value int64, rate float64)
mockCountWithTags func(name string, value int64, rate float64, tags []string)
}
func (s *MockStats) Count(name string, value int64, rate float64) {
if s.mockCount != nil {
s.mockCount(name, value, rate)
}
}
func (s *MockStats) CountWithCustomTags(name string, value int64, rate float64, tags []string) {
if s.mockCountWithTags != nil {
s.mockCountWithTags(name, value, rate, tags)
}
}
func (c *MockStats) Tags() []string { return nil }
func (c *MockStats) WithTags(tags ...string) stats.StatsClient { return c }
func (c *MockStats) Gauge(name string, value float64, rate float64) {}
func (c *MockStats) Histogram(name string, value float64, rate float64) {}
func (c *MockStats) Set(name string, value string, rate float64) {}
func (c *MockStats) Timing(name string, value time.Duration, rate float64) {}
func (c *MockStats) SetLogger(logger logger.Logger) {}
func (c *MockStats) Open() {}
func (c *MockStats) Close() error { return nil }