fix: [GO Feature Flag server] Implement ProviderStatus (#493)

Signed-off-by: Thomas Poignant <[email protected]>
Signed-off-by: Thomas Poignant <[email protected]>
Co-authored-by: Michael Beemer <[email protected]>

Author: thomaspoignant

libs/providers/go-feature-flag/src/lib/go-feature-flag-provider.spec.ts

@@ -5,6 +5,7 @@ import {
   ErrorCode,
   FlagNotFoundError,
   OpenFeature,
+  ProviderStatus,
   ResolutionDetails,
   StandardResolutionReasons,
   TypeMismatchError
@@ -59,7 +60,6 @@ describe('GoFeatureFlagProvider', () => {
       const goff = new GoFeatureFlagProvider({endpoint});
       expect(goff).toBeInstanceOf(GoFeatureFlagProvider);
     });
-
     it('should throw an error if proxy not ready', async () => {
       const flagName = 'random-flag';
       const targetingKey = 'user-key';
@@ -74,7 +74,6 @@ describe('GoFeatureFlagProvider', () => {
           );
         });
     });
-
     it('should throw an error if the call timeout', async () => {
       const flagName = 'random-flag';
       const targetingKey = 'user-key';
@@ -89,7 +88,6 @@ describe('GoFeatureFlagProvider', () => {
           );
         });
     });
-
     describe('error codes in HTTP response', () => {
       it('SDK error codes should return correct code', async () => {
         const flagName = 'random-other-flag';
@@ -106,7 +104,6 @@ describe('GoFeatureFlagProvider', () => {
             expect(result.errorCode).toEqual(ErrorCode.PARSE_ERROR)
           })
       });
-
       it('unknown error codes should return GENERAL code', async () => {
         const flagName = 'random-other-other-flag';
         const targetingKey = 'user-key';
@@ -123,7 +120,6 @@ describe('GoFeatureFlagProvider', () => {
           })
       });
     });
-
     it('should throw an error if we fail in other network errors case', async () => {
       const flagName = 'random-flag';
       const targetingKey = 'user-key';
@@ -176,7 +172,6 @@ describe('GoFeatureFlagProvider', () => {
           );
         });
     });
-
     it('should be valid with an API key provided', async () => {
       const flagName = 'random-flag';
       const targetingKey = 'user-key';
@@ -203,6 +198,14 @@ describe('GoFeatureFlagProvider', () => {
           } as ResolutionDetails<boolean>);
         });
     });
+    it('provider should start not ready', async () => {
+      const goff = new GoFeatureFlagProvider({endpoint});
+      expect(goff.status).toEqual(ProviderStatus.NOT_READY);
+    });
+    it('provider should be ready after after setting the provider to Open Feature', async () => {
+      OpenFeature.setProvider( 'goff', goff);
+      expect(goff.status).toEqual(ProviderStatus.READY);
+    });
   });
 
   describe('resolveBooleanEvaluation', () => {
@@ -298,7 +301,6 @@ describe('GoFeatureFlagProvider', () => {
         });
     });
   });
-
   describe('resolveStringEvaluation', () => {
     it('should throw an error if we expect a string and got another type', async () => {
       const flagName = 'random-flag';
@@ -393,7 +395,6 @@ describe('GoFeatureFlagProvider', () => {
         });
     });
   });
-
   describe('resolveNumberEvaluation', () => {
     it('should throw an error if we expect a number and got another type', async () => {
       const flagName = 'random-flag';
@@ -486,7 +487,6 @@ describe('GoFeatureFlagProvider', () => {
         });
     });
   });
-
   describe('resolveObjectEvaluation', () => {
     it('should throw an error if we expect a json array and got another type', async () => {
       const flagName = 'random-flag';

libs/providers/go-feature-flag/src/lib/go-feature-flag-provider.ts

@@ -5,6 +5,7 @@ import {
   JsonValue,
   Logger,
   Provider,
+  ProviderStatus,
   ResolutionDetails,
   StandardResolutionReasons,
   TypeMismatchError,
@@ -68,6 +69,8 @@ export class GoFeatureFlagProvider implements Provider {
   // logger is the Open Feature logger to use
   private logger?: Logger;
 
+  private _status: ProviderStatus = ProviderStatus.NOT_READY;
+
   constructor(options: GoFeatureFlagProviderOptions, logger?: Logger) {
     this.timeout = options.timeout || 0; // default is 0 = no timeout
     this.endpoint = options.endpoint;
@@ -96,6 +99,11 @@ export class GoFeatureFlagProvider implements Provider {
       this.bgScheduler = setInterval(async () => await this.callGoffDataCollection(), this.dataFlushInterval)
       this.dataCollectorBuffer = []
     }
+    this._status = ProviderStatus.READY;
+  }
+
+  get status(){
+    return this._status;
   }
 
   /**