Merge 7eab7f7 into 2bdf793

sorentwo · Mar 13, 2018 · d698c0c · d698c0c
2 parents 2bdf793 + 7eab7f7
commit d698c0c
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/lib/readthis/cache.rb b/lib/readthis/cache.rb
@@ -472,7 +472,7 @@ def invoke(operation, key, &block)
       instrument(operation, key) do
         pool.with(&block)
       end
-    rescue Redis::BaseError => error
+    rescue Redis::BaseError, Errno::EADDRNOTAVAIL => error
       raise error unless Readthis.fault_tolerant?
     end
 

diff --git a/spec/readthis/cache_spec.rb b/spec/readthis/cache_spec.rb
@@ -225,6 +225,16 @@ def self.load(value)
 
       expect(computed).to eq('computed')
     end
+
+    it 'serves computed content when the cache is not available and tolerance is enabled' do
+      Readthis.fault_tolerant = true
+
+      allow(cache.pool).to receive(:with).and_raise(Errno::EADDRNOTAVAIL)
+
+      computed = cache.fetch('error-key') { 'computed' }
+
+      expect(computed).to eq('computed')
+    end
   end
 
   describe '#read_multi' do