Validate contexts when setting multiple contexts

CHANGELOG.md

@@ -7,6 +7,11 @@
   - `config.enable_tracing = false` will turn off tracing even if `traces_sample_rate/traces_sampler` is set
   - `config.enable_tracing = nil` (default) will keep the current behaviour
 
+### Bug Fixes
+
+- Validate that contexts set in `set_contexts` are also Hash instances [#2022](https://github.com/getsentry/sentry-ruby/pull/2022/files)
+  - Fixes [#2021](https://github.com/getsentry/sentry-ruby/issues/2021)
+
 ## 5.8.0
 
 ### Features

sentry-ruby/lib/sentry/scope.rb

@@ -192,6 +192,10 @@ def set_tag(key, value)
     # @return [Hash]
     def set_contexts(contexts_hash)
       check_argument_type!(contexts_hash, Hash)
+      contexts_hash.values.each do |val|
+        check_argument_type!(val, Hash)
+      end
+
       @contexts.merge!(contexts_hash) do |key, old, new|
         old.merge(new)
       end

sentry-ruby/spec/sentry/scope/setters_spec.rb

@@ -106,6 +106,12 @@
       end.to raise_error(ArgumentError)
     end
 
+    it "raises error when passed non-hash context value" do
+      expect do
+        subject.set_contexts({ character: "John" })
+      end.to raise_error(ArgumentError)
+    end
+
     it "merges the context hash" do
       subject.set_contexts({ character: { name: "John" }})
       expect(subject.contexts).to include({ character: { name: "John" }})