Return truthy value on success

CHANGELOG.md

@@ -32,6 +32,7 @@ Notable changes in the upcoming **version 3.0**:
 
 **Fixes and enhancements:**
 
+- Return truthy value for `::JWT::ClaimsValidator#validate!` and `::JWT::Verify.verify_claims` [#628](https://github.com/jwt/ruby-jwt/pull/628) ([@anakinj](https://github.com/anakinj))
 - Your contribution here
 
 ## [v2.9.2](https://github.com/jwt/ruby-jwt/tree/v2.9.2) (2024-10-03)

lib/jwt/claims_validator.rb

@@ -10,6 +10,7 @@ def initialize(payload)
 
     def validate!
       Claims.verify_payload!(@payload, :numeric)
+      true
     end
   end
 end

lib/jwt/verify.rb

@@ -16,6 +16,7 @@ class << self
 
       def verify_claims(payload, options)
         ::JWT::Claims.verify!(payload, options)
+        true
       end
     end
 

spec/jwt/claims_validator_spec.rb

@@ -10,6 +10,7 @@
       context "when #{claim} payload is an integer" do
         let(:claims) { { claim => 12_345 } }
 
+        it { is_expected.to be_truthy }
         it 'does not raise error' do
           expect { subject }.not_to raise_error
         end

spec/jwt/verify_spec.rb

@@ -310,7 +310,7 @@ def issuer_start_with_ruby?(issuer)
     %w[verify_aud verify_expiration verify_iat verify_iss verify_jti verify_not_before verify_sub].each do |method|
       let(:payload) { base_payload.merge(fail_verifications_payload) }
       it "must skip verification when #{method} option is set to false" do
-        described_class.verify_claims(payload, options.merge(method => false))
+        expect(described_class.verify_claims(payload, options.merge(method => false))).to be_truthy
       end
 
       it "must raise error when #{method} option is set to true" do