dockerizing build verification, adding back ignored integration tests

.travis.yml

@@ -1,2 +1,12 @@
-language: java
-script: "./lib/gradlew -b lib/build.gradle test"
+sudo: required
+
+language: ruby
+
+services:
+  - docker
+
+before_install:
+  - docker build -t java/koans .
+
+script:
+  - docker run java/koans /bin/bash -c "git clone https://github.com/matyb/java-koans && gradle -p java-koans/lib buildApp"

docker/Dockerfile

@@ -0,0 +1,18 @@
+FROM centos:7
+MAINTAINER Mat Bentley <mathewkbentley@gmail.com>
+
+ENV JAVA_VERSION 1.8.0
+ENV GRADLE_VERSION 3.4.1
+
+# install wget, git, curl, jdk, which
+RUN yum remove -y java &&\
+    yum install -y wget git curl unzip java-$JAVA_VERSION-openjdk-devel which
+
+# install gradle
+RUN wget https://services.gradle.org/distributions/gradle-$GRADLE_VERSION-bin.zip &&\
+    mkdir -p /etc/alternatives/gradle &&\
+    unzip -d /etc/alternatives/gradle gradle-$GRADLE_VERSION-bin.zip &&\
+    ln -s /etc/alternatives/gradle/gradle-$GRADLE_VERSION /opt/gradle
+
+ENV PATH $PATH:/opt/gradle/bin
+RUN JAVA_HOME=$(readlink $(readlink `which java`) | gawk '$0=gensub(/\/jre\/bin\/java/,"",1)')

docker/spec/Dockerfile_spec.rb

@@ -0,0 +1,30 @@
+#! /usr/bin/ruby
+
+require "serverspec"
+require "docker"
+
+describe "Dockerfile" do
+  before(:all) do
+    image = Docker::Image.build_from_dir('.')
+
+    set :os, family: :redhat
+    set :backend, :docker
+    set :docker_image, image.id
+  end
+
+  it "has jdk8 installed" do
+    expect(command("javac -version").stderr).to include(" 1.8.")
+  end
+
+  it "has gradle installed" do
+    expect(command("gradle -version").stdout).to include("Build time")
+  end
+
+  it "can build app" do
+    output = command("git clone https://github.com/matyb/java-koans && gradle -p java-koans/lib buildApp").stdout
+    expect(output).to include(":test\n")
+    expect(output).to include("BUILD SUCCESSFUL")
+  end
+
+end
+

lib/src/test/java/com/sandwich/koan/runner/AppReadinessForDeploymentTest.java

@@ -15,7 +15,6 @@
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-import org.junit.Ignore;
 
 import com.sandwich.koan.KoanMethod;
 import com.sandwich.koan.cmdline.CommandLineArgumentBuilder;
@@ -94,7 +93,7 @@ public void testGetKoans() throws Exception {
 						KoanMethod.getInstance(entry.getValue().get("koan")).getMethod().toString());
 	}
 
-	@Test @Ignore /** Ensures that koans are ready for packaging & distribution */
+	@Test
 	public void testKoanSuiteRunner_firstKoanFail() throws Exception {
 		final KoanSuiteResult[] result = new KoanSuiteResult[]{null};
 		stubPresenter(new SuitePresenter(){
@@ -116,7 +115,7 @@ public void run(){
 		assertEquals(result[0].getFailingCase(), firstSuiteClassRan.substring(firstSuiteClassRan.lastIndexOf(".") + 1));
 	}
 
-	@Test @Ignore /** Ensures that koans are ready for packaging & distribution */
+	@Test
 	public void testKoanSuiteRunner_allKoansFail() throws Exception {
 		setRealPath();
 		final KoanSuiteResult[] result = new KoanSuiteResult[]{null};
@@ -165,7 +164,7 @@ public void testLineExceptionIsThrownAtIsHintedAtEvenIfThrownFromSuperClass() th
 		assertSystemOutDoesntContain("Line 10");
 	}
 
-	@Test @Ignore /** Passes locally, fails in CI? */
+	@Test
 	public void testWarningFromPlacingExpectationOnWrongSide() throws Throwable {
 		final String[] message = new String[1];
 		stubAllKoans(Arrays.asList(new WrongExpectationOrderKoan()));