| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package org.apache.toree.kernel.protocol.v5 |
| |
| import org.apache.toree.kernel.protocol.v5.content.{CommOpen, StreamContent} |
| import org.scalatest.{Matchers, FunSpec} |
| import play.api.libs.json._ |
| |
| class KMBuilderSpec extends FunSpec with Matchers { |
| describe("KMBuilder") { |
| val emptyKM = KernelMessage( |
| ids = Seq(), |
| signature = "", |
| header = HeaderBuilder.empty, |
| parentHeader = HeaderBuilder.empty, |
| metadata = Metadata().empty, |
| contentString = "" |
| ) |
| val nonEmptyHeader = Header("1", "user", "2", "msg", "version") |
| |
| describe("constructor") { |
| it("should hold an empty KernelMessage when constructed by default") { |
| KMBuilder().km should be(emptyKM) |
| } |
| |
| it("should throw an IllegalArgumentException if given a null message") { |
| intercept[IllegalArgumentException] { |
| KMBuilder(null) |
| } |
| } |
| } |
| |
| describe("#build"){ |
| it("should build a KernelMessage") { |
| KMBuilder().build.copy(metadata = Metadata()) should be(emptyKM) |
| } |
| |
| class KM2 extends KMBuilder { |
| override def metadataDefaults : Metadata = { |
| Metadata("foo" -> "123", "abc" -> "1234") |
| } |
| } |
| it("should include default metadata in built message by default") { |
| val builder = new KM2 |
| val metadata = builder.build.metadata |
| builder.metadataDefaults.foreach { case (k, v) => |
| assert (metadata.contains(k) && metadata(k) == v) |
| } |
| } |
| |
| it("should not include default metadata in built message if disabled") { |
| val builder = new KM2 |
| val metadata = builder.build(includeDefaultMetadata = false).metadata |
| metadata should be(Metadata()) |
| } |
| |
| it("should merge metadata with default") { |
| val builder = new KM2 |
| val metadata = builder.withMetadata(Metadata("some" -> "value")).build.metadata |
| metadata should contain key("some") |
| } |
| } |
| |
| describe("withXYZ"){ |
| describe("#withIds"){ |
| it("should produce a KMBuilder with a KernelMessage with ids set") { |
| val ids = Seq("baos", "win").map(x => x.getBytes) |
| val builder = KMBuilder().withIds(ids) |
| builder.km.ids should be (ids) |
| } |
| } |
| |
| describe("#withSignature"){ |
| it("should produce a KMBuilder with a KernelMessage with signature set") { |
| val sig = "beans" |
| val builder = KMBuilder().withSignature(sig) |
| builder.km.signature should be (sig) |
| } |
| } |
| |
| describe("#withHeader"){ |
| it("should produce a KMBuilder with a KernelMessage with header set," + |
| "given a Header") { |
| val builder = KMBuilder().withHeader(nonEmptyHeader) |
| builder.km.header should be (nonEmptyHeader) |
| } |
| it("should produce a KMBuilder with a KernelMessage with header set " + |
| "to a header for the given message type") { |
| val msgType = MessageType.Outgoing.ExecuteResult |
| val header = HeaderBuilder.create(msgType.toString).copy(msg_id = "") |
| val builder = KMBuilder().withHeader(msgType) |
| builder.km.header.copy(msg_id = "") should be (header) |
| } |
| it("should produce a KMBuilder with a KernelMessage with header set " + |
| "to a header for the given string message type") { |
| val msgType = CommOpen.toTypeString |
| val header = HeaderBuilder.create(msgType).copy(msg_id = "") |
| val builder = KMBuilder().withHeader(msgType) |
| builder.km.header.copy(msg_id = "") should be (header) |
| } |
| } |
| |
| describe("#withParent"){ |
| it("should produce a KMBuilder with a KernelMessage with " + |
| "parentHeader set to the header of the given parent message") { |
| val parent = emptyKM.copy(header = nonEmptyHeader) |
| val builder = KMBuilder().withParent(parent) |
| builder.km.parentHeader should be (parent.header) |
| } |
| } |
| |
| describe("#withParentHeader"){ |
| it("should produce a KMBuilder with a KernelMessage with " + |
| "parentHeader set") { |
| val builder = KMBuilder().withParentHeader(nonEmptyHeader) |
| builder.km.parentHeader should be (nonEmptyHeader) |
| } |
| } |
| |
| describe("#withMetadata"){ |
| it("should produce a KMBuilder with a KernelMessage whose metadata " + |
| "contains the given metadata") { |
| val metadata = Metadata("foo" -> "123", "abc" -> "1234") |
| val builder = KMBuilder().withMetadata(metadata) |
| builder.km.metadata should be (metadata) |
| val builtKM = builder.build |
| metadata.foreach { case (k, v) => |
| assert (builtKM.metadata.contains(k) && builtKM.metadata(k) == v) |
| } |
| } |
| } |
| |
| describe("#withContentString"){ |
| it("should produce a KMBuilder with a KernelMessage with content set") { |
| val content = "foo bar" |
| val builder = KMBuilder().withContentString(content) |
| builder.km.contentString should be (content) |
| } |
| it("should produce a KMBuilder with a KernelMessage with content" + |
| "containing a JSON string of the given object") { |
| val sc = StreamContent("foo", "bar") |
| val builder = KMBuilder().withContentString(sc) |
| builder.km.contentString should be (Json.toJson(sc).toString) |
| } |
| } |
| } |
| } |
| } |