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variation_test.go
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package ffclient
import (
"context"
"encoding/json"
"errors"
"github.com/thomaspoignant/go-feature-flag/exporter"
"github.com/thomaspoignant/go-feature-flag/ffcontext"
"github.com/thomaspoignant/go-feature-flag/internal/dto"
"log"
"os"
"testing"
"time"
"github.com/thomaspoignant/go-feature-flag/testutils/flagv1"
"github.com/thomaspoignant/go-feature-flag/model"
"github.com/thomaspoignant/go-feature-flag/exporter/fileexporter"
"github.com/thomaspoignant/go-feature-flag/exporter/logsexporter"
"github.com/thomaspoignant/go-feature-flag/retriever/fileretriever"
"github.com/stretchr/testify/assert"
"github.com/thomaspoignant/go-feature-flag/internal/cache"
"github.com/thomaspoignant/go-feature-flag/internal/flag"
"github.com/thomaspoignant/go-feature-flag/testutils"
"github.com/thomaspoignant/go-feature-flag/testutils/testconvert"
)
type cacheMock struct {
flag flag.Flag
err error
}
func NewCacheMock(flag flag.Flag, err error) cache.Manager {
return &cacheMock{
flag: flag,
err: err,
}
}
func (c *cacheMock) GetLatestUpdateDate() time.Time {
return time.Now()
}
func (c *cacheMock) ConvertToFlagStruct(loadedFlags []byte, fileFormat string) (map[string]dto.DTO, error) {
return nil, nil
}
func (c *cacheMock) UpdateCache(newFlags map[string]dto.DTO, log *log.Logger) error {
return nil
}
func (c *cacheMock) Close() {}
func (c *cacheMock) GetFlag(key string) (flag.Flag, error) {
return c.flag, c.err
}
func (c *cacheMock) AllFlags() (map[string]flag.Flag, error) { return nil, nil }
func TestBoolVariation(t *testing.T) {
type args struct {
flagKey string
user ffcontext.Context
defaultValue bool
cacheMock cache.Manager
offline bool
disableInit bool
}
tests := []struct {
name string
args args
want bool
wantErr bool
expectedLog string
}{
{
name: "Call variation before init of SDK",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: false,
cacheMock: NewCacheMock(&flagv1.FlagData{
Rule: testconvert.String("key eq \"key\""),
Percentage: testconvert.Float64(100),
Default: testconvert.Interface(true),
True: testconvert.Interface(false),
False: testconvert.Interface(false),
}, nil),
disableInit: true,
},
want: false,
wantErr: true,
},
{
name: "Get default value if flag disable",
args: args{
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: true,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"disable-flag\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get error when cache not init",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(
&flag.InternalFlag{},
errors.New("impossible to read the toggle before the initialisation")),
},
want: true,
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"key-not-exist\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get default value with key not exist",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{}, errors.New("flag [key-not-exist] does not exists")),
},
want: true,
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"key-not-exist\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get default value, rule not apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(true),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: true,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"test-flag\", value=\"true\", variation=\"Default\"\n",
},
{
name: "Get true value, rule apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(false),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: true,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"test-flag\", value=\"true\", variation=\"True\"\n",
},
{
name: "Get false value, rule apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key-ssss1"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("anonymous eq true"),
Percentages: &map[string]float64{
"False": 90,
"True": 10,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(false),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: false,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key-ssss1\", flag=\"test-flag\", value=\"false\", variation=\"False\"\n",
},
{
name: "Get default value, when rule apply and not right type",
args: args{
flagKey: "test-flag",
user: ffcontext.NewEvaluationContext("random-key-ssss1"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface("xxx"),
"False": testconvert.Interface("xxx"),
"True": testconvert.Interface("xxx"),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: true,
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key-ssss1\", flag=\"test-flag\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "No exported log",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(false),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
TrackEvents: testconvert.Bool(false),
}, nil),
},
want: true,
wantErr: false,
expectedLog: "^$",
},
{
name: "Get sdk default value if offline",
args: args{
offline: true,
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: false,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: false,
wantErr: false,
expectedLog: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// init logger
file, _ := os.CreateTemp("", "log")
logger := log.New(file, "", 0)
if !tt.args.disableInit {
ff = &GoFeatureFlag{
bgUpdater: newBackgroundUpdater(500, true),
cache: tt.args.cacheMock,
config: Config{
PollingInterval: 0,
Logger: logger,
Offline: tt.args.offline,
},
dataExporter: exporter.NewScheduler(context.Background(), 0, 0,
&logsexporter.Exporter{
LogFormat: "[{{ .FormattedDate}}] user=\"{{ .UserKey}}\", flag=\"{{ .Key}}\", " +
"value=\"{{ .Value}}\", variation=\"{{ .Variation}}\"",
}, logger),
}
}
got, err := BoolVariation(tt.args.flagKey, tt.args.user, tt.args.defaultValue)
if tt.expectedLog != "" {
content, _ := os.ReadFile(file.Name())
assert.Regexp(t, tt.expectedLog, string(content))
}
if tt.wantErr {
assert.Error(t, err, "BoolVariation() error = %v, wantErr %v", err, tt.wantErr)
return
}
assert.Equal(t, tt.want, got, "BoolVariation() got = %v, want %v", got, tt.want)
// clean logger
ff = nil
_ = file.Close()
})
}
}
func TestBoolVariationDetails(t *testing.T) {
type args struct {
flagKey string
user ffcontext.Context
defaultValue bool
cacheMock cache.Manager
offline bool
disableInit bool
}
tests := []struct {
name string
args args
want model.VariationResult[bool]
wantErr bool
expectedLog string
}{
{
name: "Call variation before init of SDK",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: false,
cacheMock: NewCacheMock(&flagv1.FlagData{
Rule: testconvert.String("key eq \"key\""),
Percentage: testconvert.Float64(100),
Default: testconvert.Interface(true),
True: testconvert.Interface(false),
False: testconvert.Interface(false),
}, nil),
disableInit: true,
},
wantErr: true,
},
{
name: "Get default value if flag disable",
args: args{
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: model.VariationResult[bool]{
VariationType: flag.VariationSDKDefault,
Failed: false,
Reason: flag.ReasonDisabled,
Value: true,
TrackEvents: true,
Cacheable: true,
},
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"disable-flag\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get error when cache not init",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(
&flag.InternalFlag{},
errors.New("impossible to read the toggle before the initialisation")),
},
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"key-not-exist\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get default value with key not exist",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{}, errors.New("flag [key-not-exist] does not exists")),
},
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"key-not-exist\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get default value, rule not apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(true),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: model.VariationResult[bool]{
VariationType: "Default",
Failed: false,
Reason: flag.ReasonDefault,
Value: true,
TrackEvents: true,
Cacheable: true,
},
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"test-flag\", value=\"true\", variation=\"Default\"\n",
},
{
name: "Get true value, rule apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(false),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: model.VariationResult[bool]{
VariationType: "True",
Failed: false,
Reason: flag.ReasonTargetingMatch,
Value: true,
TrackEvents: true,
Cacheable: true,
},
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"test-flag\", value=\"true\", variation=\"True\"\n",
},
{
name: "Get false value, rule apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key-ssss1"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("anonymous eq true"),
Percentages: &map[string]float64{
"False": 90,
"True": 10,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(false),
"False": testconvert.Interface(false),
"True": testconvert.Interface(true),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: model.VariationResult[bool]{
VariationType: "False",
Failed: false,
Reason: flag.ReasonTargetingMatchSplit,
Value: false,
TrackEvents: true,
Cacheable: true,
},
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key-ssss1\", flag=\"test-flag\", value=\"false\", variation=\"False\"\n",
},
{
name: "Get default value, when rule apply and not right type",
args: args{
flagKey: "test-flag",
user: ffcontext.NewEvaluationContext("random-key-ssss1"),
defaultValue: true,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface("xxx"),
"False": testconvert.Interface("xxx"),
"True": testconvert.Interface("xxx"),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: model.VariationResult[bool]{
VariationType: flag.VariationSDKDefault,
Failed: true,
Reason: flag.ReasonError,
ErrorCode: flag.ErrorCodeTypeMismatch,
Value: false,
TrackEvents: true,
},
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key-ssss1\", flag=\"test-flag\", value=\"true\", variation=\"SdkDefault\"\n",
},
{
name: "Get sdk default value if offline",
args: args{
offline: true,
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: false,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: model.VariationResult[bool]{
VariationType: flag.VariationSDKDefault,
Failed: false,
Reason: flag.ReasonOffline,
Value: false,
TrackEvents: false,
},
wantErr: false,
expectedLog: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// init logger
file, _ := os.CreateTemp("", "log")
logger := log.New(file, "", 0)
if !tt.args.disableInit {
ff = &GoFeatureFlag{
bgUpdater: newBackgroundUpdater(500, true),
cache: tt.args.cacheMock,
config: Config{
PollingInterval: 0,
Logger: logger,
Offline: tt.args.offline,
},
dataExporter: exporter.NewScheduler(context.Background(), 0, 0,
&logsexporter.Exporter{
LogFormat: "[{{ .FormattedDate}}] user=\"{{ .UserKey}}\", flag=\"{{ .Key}}\", " +
"value=\"{{ .Value}}\", variation=\"{{ .Variation}}\"",
}, logger),
}
}
got, err := BoolVariationDetails(tt.args.flagKey, tt.args.user, tt.args.defaultValue)
if tt.expectedLog != "" {
content, _ := os.ReadFile(file.Name())
assert.Regexp(t, tt.expectedLog, string(content))
}
if tt.wantErr {
assert.Error(t, err, "BoolVariationDetails() error = %v, wantErr %v", err, tt.wantErr)
return
}
assert.Equal(t, tt.want, got, "BoolVariationDetails() got = %v, want %v", got, tt.want)
// clean logger
ff = nil
_ = file.Close()
})
}
}
func TestFloat64Variation(t *testing.T) {
type args struct {
flagKey string
user ffcontext.Context
defaultValue float64
cacheMock cache.Manager
offline bool
disableInit bool
}
tests := []struct {
name string
args args
want float64
wantErr bool
expectedLog string
}{
{
name: "Call variation before init of SDK",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 123.3,
cacheMock: NewCacheMock(&flagv1.FlagData{
Rule: testconvert.String("key eq \"key\""),
Percentage: testconvert.Float64(100),
Default: testconvert.Interface(true),
True: testconvert.Interface(false),
False: testconvert.Interface(false),
}, nil),
disableInit: true,
},
want: 123.3,
wantErr: true,
},
{
name: "Get default value if flag disable",
args: args{
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 120.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: 120.12,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"disable-flag\", value=\"120.12\", variation=\"SdkDefault\"\n",
},
{
name: "Get error when cache not init",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 118.12,
cacheMock: NewCacheMock(
&flag.InternalFlag{},
errors.New("impossible to read the toggle before the initialisation")),
},
want: 118.12,
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"key-not-exist\", value=\"118.12\", variation=\"SdkDefault\"\n",
},
{
name: "Get default value with key not exist",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{}, errors.New("flag [key-not-exist] does not exists")),
},
want: 118.12,
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"key-not-exist\", value=\"118.12\", variation=\"SdkDefault\"\n",
},
{
name: "Get default value, rule not apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(119.12),
"False": testconvert.Interface(121.12),
"True": testconvert.Interface(120.12),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: 119.12,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"test-flag\", value=\"119.12\", variation=\"Default\"\n",
},
{
name: "Get true value, rule apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(119.12),
"False": testconvert.Interface(121.12),
"True": testconvert.Interface(120.12),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: 120.12,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"test-flag\", value=\"120.12\", variation=\"True\"\n",
},
{
name: "Get false value, rule apply",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key-ssss1"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("anonymous eq true"),
Percentages: &map[string]float64{
"False": 90,
"True": 10,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(119.12),
"False": testconvert.Interface(121.12),
"True": testconvert.Interface(120.12),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: 121.12,
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key-ssss1\", flag=\"test-flag\", value=\"121.12\", variation=\"False\"\n",
},
{
name: "Get default value, when rule apply and not right type",
args: args{
flagKey: "test-flag",
user: ffcontext.NewEvaluationContext("random-key-ssss1"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface("xxx"),
"False": testconvert.Interface("xxx"),
"True": testconvert.Interface("xxx"),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
}, nil),
},
want: 118.12,
wantErr: true,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key-ssss1\", flag=\"test-flag\", value=\"118.12\", variation=\"SdkDefault\"\n",
},
{
name: "No exported log",
args: args{
flagKey: "test-flag",
user: ffcontext.NewAnonymousEvaluationContext("random-key"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Rules: &[]flag.Rule{
{
Name: testconvert.String("legacyRuleV0"),
Query: testconvert.String("key eq \"random-key\""),
Percentages: &map[string]float64{
"False": 0,
"True": 100,
},
},
},
Variations: &map[string]*interface{}{
"Default": testconvert.Interface(119.12),
"False": testconvert.Interface(121.12),
"True": testconvert.Interface(120.12),
},
DefaultRule: &flag.Rule{
Name: testconvert.String("legacyDefaultRule"),
VariationResult: testconvert.String("Default"),
},
TrackEvents: testconvert.Bool(false),
}, nil),
},
want: 120.12,
wantErr: false,
expectedLog: "^$",
},
{
name: "Get sdk default value if offline",
args: args{
offline: true,
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 118.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: 118.12,
wantErr: false,
expectedLog: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// init logger
file, _ := os.CreateTemp("", "log")
logger := log.New(file, "", 0)
if !tt.args.disableInit {
ff = &GoFeatureFlag{
bgUpdater: newBackgroundUpdater(500, true),
cache: tt.args.cacheMock,
config: Config{
PollingInterval: 0,
Logger: logger,
Offline: tt.args.offline,
},
dataExporter: exporter.NewScheduler(context.Background(), 0, 0,
&logsexporter.Exporter{
LogFormat: "[{{ .FormattedDate}}] user=\"{{ .UserKey}}\", flag=\"{{ .Key}}\", " +
"value=\"{{ .Value}}\", variation=\"{{ .Variation}}\"",
}, logger),
}
}
got, err := Float64Variation(tt.args.flagKey, tt.args.user, tt.args.defaultValue)
if tt.expectedLog != "" {
content, _ := os.ReadFile(file.Name())
assert.Regexp(t, tt.expectedLog, string(content))
}
if tt.wantErr {
assert.Error(t, err, "Float64Variation() error = %v, wantErr %v", err, tt.wantErr)
return
}
assert.Equal(t, tt.want, got, "Float64Variation() got = %v, want %v", got, tt.want)
// clean logger
ff = nil
_ = file.Close()
})
}
}
func TestFloat64VariationDetails(t *testing.T) {
type args struct {
flagKey string
user ffcontext.Context
defaultValue float64
cacheMock cache.Manager
offline bool
disableInit bool
}
tests := []struct {
name string
args args
want model.VariationResult[float64]
wantErr bool
expectedLog string
}{
{
name: "Call variation before init of SDK",
args: args{
flagKey: "key-not-exist",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 123.3,
cacheMock: NewCacheMock(&flagv1.FlagData{
Rule: testconvert.String("key eq \"key\""),
Percentage: testconvert.Float64(100),
Default: testconvert.Interface(true),
True: testconvert.Interface(false),
False: testconvert.Interface(false),
}, nil),
disableInit: true,
},
wantErr: true,
},
{
name: "Get default value if flag disable",
args: args{
flagKey: "disable-flag",
user: ffcontext.NewEvaluationContext("random-key"),
defaultValue: 120.12,
cacheMock: NewCacheMock(&flag.InternalFlag{
Disable: testconvert.Bool(true),
}, nil),
},
want: model.VariationResult[float64]{
Value: 120.12,
TrackEvents: true,
VariationType: flag.VariationSDKDefault,
Failed: false,
Reason: flag.ReasonDisabled,
Cacheable: true,
},
wantErr: false,
expectedLog: "^\\[" + testutils.RFC3339Regex + "\\] user=\"random-key\", flag=\"disable-flag\", value=\"120.12\", variation=\"SdkDefault\"\n",
},
{
name: "Get error when cache not init",