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feature_flags_test.go
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package posthog
import (
"bytes"
"encoding/json"
"fmt"
"log"
"net/http"
"net/http/httptest"
"reflect"
"strings"
"sync/atomic"
"time"
"testing"
)
func TestMatchPropertyValue(t *testing.T) {
property := FlagProperty{
Key: "Browser",
Value: "Chrome",
Operator: "exact",
}
properties := NewProperties().Set("Browser", "Chrome")
isMatch, err := matchProperty(property, properties)
if err != nil || !isMatch {
t.Error("Value is not a match")
}
}
func TestMatchPropertyInvalidOperator(t *testing.T) {
property := FlagProperty{
Key: "Browser",
Value: "Chrome",
Operator: "is_unknown",
}
properties := NewProperties().Set("Browser", "Chrome")
isMatch, err := matchProperty(property, properties)
if isMatch == true {
t.Error("Should not match")
}
if _, ok := err.(*InconclusiveMatchError); !ok {
t.Error("Error type is not a match")
}
}
func TestMatchPropertySlice(t *testing.T) {
property := FlagProperty{
Key: "Browser",
Value: []interface{}{"Chrome"},
Operator: "exact",
}
properties := NewProperties().Set("Browser", "Chrome")
isMatch, err := matchProperty(property, properties)
if err != nil || !isMatch {
t.Error("Value is not a match")
}
}
func TestMatchPropertyNumber(t *testing.T) {
property := FlagProperty{
Key: "Number",
Value: 5,
Operator: "gt",
}
properties := NewProperties().Set("Number", 7)
isMatch, err := matchProperty(property, properties)
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
property = FlagProperty{
Key: "Number",
Value: 5,
Operator: "lt",
}
properties = NewProperties().Set("Number", 4)
isMatch, err = matchProperty(property, properties)
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
property = FlagProperty{
Key: "Number",
Value: 5,
Operator: "gte",
}
properties = NewProperties().Set("Number", 5)
isMatch, err = matchProperty(property, properties)
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
property = FlagProperty{
Key: "Number",
Value: 5,
Operator: "lte",
}
properties = NewProperties().Set("Number", 4)
isMatch, err = matchProperty(property, properties)
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
}
func TestMatchPropertyRegex(t *testing.T) {
shouldMatch := []interface{}{"value.com", "value2.com"}
property := FlagProperty{
Key: "key",
Value: "\\.com$",
Operator: "regex",
}
for _, val := range shouldMatch {
isMatch, err := matchProperty(property, NewProperties().Set("key", val))
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
}
shouldNotMatch := []interface{}{".com343tfvalue5", "Alakazam", 123}
for _, val := range shouldNotMatch {
isMatch, err := matchProperty(property, NewProperties().Set("key", val))
if err != nil {
t.Error(err)
}
if isMatch {
t.Error("Value is not a match")
}
}
// invalid regex
property = FlagProperty{
Key: "key",
Value: "?*",
Operator: "regex",
}
shouldNotMatch = []interface{}{"value", "valu2"}
for _, val := range shouldNotMatch {
isMatch, err := matchProperty(property, NewProperties().Set("key", val))
if err != nil {
t.Error(err)
}
if isMatch {
t.Error("Value is not a match")
}
}
// non string value
property = FlagProperty{
Key: "key",
Value: 4,
Operator: "regex",
}
shouldMatch = []interface{}{"4", 4}
for _, val := range shouldMatch {
isMatch, err := matchProperty(property, NewProperties().Set("key", val))
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
}
}
func TestMatchPropertyContains(t *testing.T) {
shouldMatch := []interface{}{"value", "value2", "value3", "value4", "343tfvalue5"}
property := FlagProperty{
Key: "key",
Value: "valUe",
Operator: "icontains",
}
for _, val := range shouldMatch {
isMatch, err := matchProperty(property, NewProperties().Set("key", val))
if err != nil {
t.Error(err)
}
if !isMatch {
t.Error("Value is not a match")
}
}
shouldNotMatch := []interface{}{"Alakazam", 123}
for _, val := range shouldNotMatch {
isMatch, err := matchProperty(property, NewProperties().Set("key", val))
if err != nil {
t.Error(err)
}
if isMatch {
t.Error("Value is not a match")
}
}
}
func TestFlagPersonProperty(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-simple-flag-person-prop.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "simple-flag",
DistinctId: "some-distinct-id",
PersonProperties: NewProperties().Set("region", "USA"),
},
)
if isMatch != true {
t.Error("Should match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "simple-flag",
DistinctId: "some-distinct-id",
PersonProperties: NewProperties().Set("region", "Canada"),
},
)
if isMatch == true {
t.Error("Should not match")
}
}
func TestFlagGroup(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
decoder := json.NewDecoder(r.Body)
decoder.DisallowUnknownFields()
var reqBody DecideRequestData
err := decoder.Decode(&reqBody)
if err != nil {
t.Error(err)
}
groupsEquality := reflect.DeepEqual(reqBody.Groups, Groups{"company": "abc"})
if !groupsEquality {
t.Errorf("Expected groups to be map[company:abc], got %s", reqBody.Groups)
}
distinctIdEquality := reflect.DeepEqual(reqBody.DistinctId, "-")
if !distinctIdEquality {
t.Errorf("Expected distinctId to be -, got %s", reqBody.DistinctId)
}
apiKeyEquality := reflect.DeepEqual(reqBody.ApiKey, "Csyjlnlun3OzyNJAafdlv")
if !apiKeyEquality {
t.Errorf("Expected apiKey to be Csyjlnlun3OzyNJAafdlv, got %s", reqBody.ApiKey)
}
personPropertiesEquality := reflect.DeepEqual(reqBody.PersonProperties, Properties{"region": "Canada"})
if !personPropertiesEquality {
t.Errorf("Expected personProperties to be map[region:Canada], got %s", reqBody.PersonProperties)
}
groupPropertiesEquality := reflect.DeepEqual(reqBody.GroupProperties, map[string]Properties{"company": {"name": "Project Name 1"}})
if !groupPropertiesEquality {
t.Errorf("Expected groupProperties to be map[company:map[name:Project Name 1]], got %s", reqBody.GroupProperties)
}
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-flag-group-properties.json")))
} else if strings.HasPrefix(r.URL.Path, "/batch/") {
// Ignore batch requests
} else {
t.Error("Unknown request made by library")
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "unknown-flag",
DistinctId: "-",
Groups: Groups{"company": "abc"},
PersonProperties: NewProperties().Set("region", "Canada"),
GroupProperties: map[string]Properties{"company": NewProperties().Set("name", "Project Name 1")},
OnlyEvaluateLocally: false,
},
)
if isMatch != false {
t.Error("Unknown flag shouldn't match known flags")
}
}
func TestFlagGroupProperty(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(fixture("feature_flag/test-flag-group-properties.json")))
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "group-flag",
DistinctId: "some-distinct-id",
GroupProperties: map[string]Properties{"company": NewProperties().Set("name", "Project Name 1")},
},
)
if isMatch == true {
t.Error("Should not match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "group-flag",
DistinctId: "some-distinct-id",
GroupProperties: map[string]Properties{"company": NewProperties().Set("name", "Project Name 2")},
},
)
if isMatch == true {
t.Error("Should not match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "group-flag",
DistinctId: "some-distinct-id",
Groups: Groups{"company": "amazon_without_rollout"},
GroupProperties: map[string]Properties{"company": NewProperties().Set("name", "Project Name 1")},
},
)
if isMatch != true {
t.Error("Should match")
}
}
func TestComplexDefinition(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-complex-definition.json"))) // Don't return anything for local eval
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "complex-flag",
DistinctId: "some-distinct-id",
PersonProperties: NewProperties().Set("region", "USA").Set("name", "Aloha"),
},
)
if isMatch != true {
t.Error("Should match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "complex-flag",
DistinctId: "some-distinct-id_within_rollou",
},
)
if isMatch != true {
t.Error("Should match")
}
}
func TestFallbackToDecide(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte("{}")) // Don't return anything for local eval
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "simple-flag",
DistinctId: "some-distinct-id",
},
)
if isMatch != true {
t.Error("Should match")
}
}
func TestFeatureFlagsDontFallbackToDecideWhenOnlyLocalEvaluationIsTrue(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte("test-decide-v3.json"))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-feature-flags-dont-fallback-to-decide-when-only-local-evaluation-is-true.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
matchedPayload, _ := client.GetFeatureFlagPayload(
FeatureFlagPayload{
Key: "beta-feature",
DistinctId: "some-distinct-id",
OnlyEvaluateLocally: true,
},
)
if matchedPayload != "" {
t.Error("Should not match")
}
matchedVariant, _ := client.GetFeatureFlag(
FeatureFlagPayload{
Key: "beta-feature",
DistinctId: "some-distinct-id",
OnlyEvaluateLocally: true,
},
)
if matchedVariant != nil {
t.Error("Should not match")
}
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "beta-feature",
DistinctId: "some-distinct-id",
OnlyEvaluateLocally: true,
},
)
if isMatch == true {
t.Error("Should not match")
}
matchedVariant, _ = client.GetFeatureFlag(
FeatureFlagPayload{
Key: "beta-feature2",
DistinctId: "some-distinct-id",
OnlyEvaluateLocally: true,
},
)
if matchedVariant != nil {
t.Error("Should not match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "beta-feature2",
DistinctId: "some-distinct-id",
OnlyEvaluateLocally: true,
},
)
if isMatch == true {
t.Error("Should not match")
}
}
func TestFeatureFlagDefaultsDontHinderEvaluation(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-false.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "false-flag",
DistinctId: "some-distinct-id",
},
)
if isMatch == true {
t.Error("Should not match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "false-flag",
DistinctId: "some-distinct-id",
},
)
if isMatch == true {
t.Error("Should not match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "false-flag-2",
DistinctId: "some-distinct-id",
},
)
if isMatch == true {
t.Error("Should not match")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "false-flag-2",
DistinctId: "some-distinct-id",
},
)
if isMatch == true {
t.Error("Should not match")
}
}
func TestFeatureFlagNullComeIntoPlayOnlyWhenDecideErrorsOut(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("{ads}"))
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
matchedPayload, _ := client.GetFeatureFlagPayload(
FeatureFlagPayload{
Key: "test-get-feature",
DistinctId: "distinct_id",
},
)
if matchedPayload != "" {
t.Error("Should not match")
}
isMatch, _ := client.GetFeatureFlag(
FeatureFlagPayload{
Key: "test-get-feature",
DistinctId: "distinct_id",
},
)
if isMatch != nil {
t.Error("Should be nil")
}
isMatch, _ = client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "test-get-feature",
DistinctId: "distinct_id",
},
)
if isMatch != nil {
t.Error("Should be nil")
}
}
func TestExperienceContinuityOverride(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-simple-flag.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariant, _ := client.GetFeatureFlag(
FeatureFlagPayload{
Key: "beta-feature",
DistinctId: "distinct_id",
},
)
if featureVariant != "decide-fallback-value" {
t.Error("Should be decide-fallback-value")
}
payload, _ := client.GetFeatureFlagPayload(
FeatureFlagPayload{
Key: "beta-feature",
DistinctId: "distinct_id",
},
)
if payload != "{\"foo\": \"bar\"}" {
t.Error(`Should be "{"foo": "bar"}"`)
}
}
func TestGetAllFlags(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-multiple-flags.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariants, _ := client.GetAllFlags(FeatureFlagPayloadNoKey{
DistinctId: "distinct-id",
})
if featureVariants["beta-feature"] != "decide-fallback-value" || featureVariants["beta-feature2"] != "variant-2" {
t.Error("Should match decide values")
}
}
func TestGetAllFlagsEmptyLocal(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte("{}"))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariants, _ := client.GetAllFlags(FeatureFlagPayloadNoKey{
DistinctId: "distinct-id",
})
if featureVariants["beta-feature"] != "decide-fallback-value" || featureVariants["beta-feature2"] != "variant-2" {
t.Error("Should match decide values")
}
}
func TestGetAllFlagsNoDecide(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-multiple-flags-valid.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariants, _ := client.GetAllFlags(FeatureFlagPayloadNoKey{
DistinctId: "distinct-id",
})
if featureVariants["beta-feature"] != true || featureVariants["disabled-feature"] != false {
t.Error("Should match")
}
}
func TestGetAllFlagsOnlyLocalEvaluationSet(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-get-all-flags-with-fallback-but-only-local-evaluation-set.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariants, _ := client.GetAllFlags(FeatureFlagPayloadNoKey{
DistinctId: "distinct-id",
OnlyEvaluateLocally: true,
})
if featureVariants["beta-feature"] != true || featureVariants["disabled-feature"] != false || featureVariants["beta-feature2"] != nil {
t.Error("Should match")
}
}
func TestComputeInactiveFlagsLocally(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-compute-inactive-flags-locally.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariants, _ := client.GetAllFlags(FeatureFlagPayloadNoKey{
DistinctId: "distinct-id",
})
if featureVariants["beta-feature"] != true || featureVariants["disabled-feature"] != false {
t.Error("Should match")
}
server = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-compute-inactive-flags-locally-2.json")))
}
}))
defer server.Close()
client, _ = NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
featureVariants, _ = client.GetAllFlags(FeatureFlagPayloadNoKey{
DistinctId: "distinct-id",
})
if featureVariants["beta-feature"] != false || featureVariants["disabled-feature"] != true {
t.Error("Should match")
}
}
func TestFeatureEnabledSimpleIsTrueWhenRolloutUndefined(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(fixture("feature_flag/test-simple-flag-without-rollout.json")))
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
isMatch, _ := client.IsFeatureEnabled(
FeatureFlagPayload{
Key: "simple-flag",
DistinctId: "distinct-id",
},
)
if isMatch != true {
t.Error("Should be enabled")
}
}
func TestGetFeatureFlag(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-simple-flag-person-prop.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
variant, _ := client.GetFeatureFlag(
FeatureFlagPayload{
Key: "test-get-feature",
DistinctId: "distinct_id",
},
)
if variant != "variant-1" {
t.Error("Should match")
}
}
func TestGetFeatureFlagPayload(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-simple-flag-person-prop.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
variant, _ := client.GetFeatureFlagPayload(
FeatureFlagPayload{
Key: "test-get-feature",
DistinctId: "distinct_id",
},
)
if variant != "this is a string" {
t.Error("Should match")
}
}
func TestGetRemoteConfigPayload(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(fixture("test-remote-config.json")))
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
payload, _ := client.GetRemoteConfigPayload("flag_key")
var payloadMap map[string]interface{}
err := json.Unmarshal([]byte(payload), &payloadMap)
if err != nil {
t.Error("Failed to decode payload")
}
if payloadMap["foo"] != "bar" || payloadMap["baz"] != float64(42) {
t.Error("Should match")
}
}
func TestFlagWithVariantOverrides(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, "/decide") {
w.Write([]byte(fixture("test-decide-v3.json")))
} else if strings.HasPrefix(r.URL.Path, "/api/feature_flag/local_evaluation") {
w.Write([]byte(fixture("feature_flag/test-variant-override.json")))
}
}))
defer server.Close()
client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
PersonalApiKey: "some very secret key",
Endpoint: server.URL,
})
defer client.Close()
variant, _ := client.GetFeatureFlag(
FeatureFlagPayload{
Key: "beta-feature",
DistinctId: "test_id",
},
)