fix(grpc-gateway) use grpcbin in tests (#6)

.travis.yml

@@ -54,9 +54,7 @@ install:
   - source ../kong-ci/setup_plugin_env.sh
 
 script:
-  # uploaded file is at https://github.com/Kong/kong-plugin-grpc-gateway/pull/2
-  - wget https://github.com/Kong/kong-plugin-${PLUGIN_NAME}/files/4666673/server.gz -O - | gzip -d > /tmp/server
-  - chmod +x /tmp/server && /tmp/server &
+  # grpcbin docker container is started by kong-ci/setup_plugin_env.sh
   - cp ../kong-plugin-${PLUGIN_NAME}/spec/fixtures/grpc/* ../kong-ci/kong/spec/fixtures/grpc
   - eval $LUACHECK_CMD
   - eval $BUSTED_CMD

spec/01-proxy_spec.lua

@@ -23,7 +23,7 @@ for _, strategy in helpers.each_strategy() do
         name = "grpc",
         protocol = "grpc",
         host = "localhost",
-        port = 50051,
+        port = 15002,
       })
 
       local route1 = assert(bp.routes:insert {
@@ -63,7 +63,7 @@ for _, strategy in helpers.each_strategy() do
       local body = res:read_body()
       local data = cjson.decode(body)
 
-      assert.same({message = "Hello john_doe"}, data)
+      assert.same({reply = "hello john_doe"}, data)
     end)
 
     test("additional binding", function()
@@ -74,7 +74,7 @@ for _, strategy in helpers.each_strategy() do
 
       local data = cjson.decode((res:read_body()))
 
-      assert.same({message = "Hello john_doe"}, data)
+      assert.same({reply = "hello john_doe"}, data)
     end)
 
     test("unknown path", function()

spec/fixtures/grpc/helloworld.proto

@@ -1,36 +1,28 @@
 syntax = "proto3";
 
-option java_multiple_files = true;
-option java_package = "io.grpc.examples.helloworld";
-option java_outer_classname = "HelloWorldProto";
+package hello;
 
-package helloworld;
-
-// The greeting service definition.
-service Greeter {
-  // Sends a greeting
-  rpc SayHello (HelloRequest) returns (HelloReply) {
+service HelloService {
+  rpc SayHello(HelloRequest) returns (HelloResponse) {
     option (google.api.http) = {
       // https://github.com/googleapis/googleapis/blob/master/google/api/http.proto
       // HTTP | gRPC
       // -----|-----
-      // `GET /v1/messages/123456`  | `HelloRequest(name: "123456")`
-      get: "/v1/messages/{name}"
+      // `GET /v1/messages/123456`  | `HelloRequest(greeting: "123456")`
+      get: "/v1/messages/{greeting}"
       additional_bindings {
-        get: "/v1/messages/legacy/{name=**}"
+        get: "/v1/messages/legacy/{greeting=**}"
       }
       post: "/v1/messages/"
       body: "*"
-    };
-  }
+    }
+  };
 }
 
-// The request message containing the user's name.
 message HelloRequest {
-  string name = 1;
+  required string greeting = 1;
 }
 
-// The response message containing the greetings
-message HelloReply {
-  string message = 1;
+message HelloResponse {
+  required string reply = 1;
 }