Merge pull request #8 from wantedly/qnighy/array

Support Array

Author: qnighy

CHANGELOG.md

@@ -0,0 +1,8 @@
+## 0.0.2
+
+- Support Array
+
+## 0.0.1
+
+Initial release
+

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    gmsc (0.0.1)
+    gmsc (0.0.2)
 
 GEM
   remote: https://rubygems.org/

lib/gmsc.rb

@@ -3,16 +3,16 @@
 
 module GMSC
   class << self
-    # @param [{ String => String }] metadata
-    # @return [{ String => String }]
+    # @param [{ String => String, Array<String> }] metadata
+    # @return [{ String => String, Array<String> }]
     def safe_convert(metadata)
       h = {}
       metadata.each do |k, v|
         if k.match?(/-bin$/)
           # If the value is binary, encode with Base64
-          h[k] = Base64.strict_encode64(v)
+          h[k] = v.is_a?(Array) ? v.map { |e| Base64.strict_encode64(e) } : Base64.strict_encode64(v)
         else
-          h[k] = v.encode(Encoding::UTF_8)
+          h[k] = v.is_a?(Array) ? v.map { |e| e.encode(Encoding::UTF_8) } : v.encode(Encoding::UTF_8)
         end
       end
       h

lib/gmsc/version.rb

@@ -1,3 +1,3 @@
 module GMSC
-  VERSION = "0.0.1"
+  VERSION = "0.0.2"
 end

spec/gmsc_spec.rb

@@ -23,5 +23,26 @@
       })
       expect(hash.to_json).to eq("{\"user-agent\":\"grpc-node/1.19.0 grpc-c/7.0.0 (linux; chttp2; gold)\",\"binary-data-bin\":\"AAEC6g==\"}")
     end
+
+    context "when metadata contains arrays" do
+      let(:metadata) {
+        {
+          "foo" => ["foo", "bar"],
+          "binfoo-bin" => ["\x00\x01\x02\xEA".b, "\x01\x02\x03\xFF".b],
+        }
+      }
+
+      it "converts array" do
+        hash = GMSC.safe_convert(metadata)
+        expect(hash).to(
+          eq(
+            {
+              "foo" => ["foo", "bar"],
+              "binfoo-bin" => ["AAEC6g==", "AQID/w=="],
+            }
+          )
+        )
+      end
+    end
   end
 end