✅ : add simple integration test for DockerRunner

src/test/java/io/codeka/gaia/runner/DockerRunnerIT.kt

@@ -0,0 +1,43 @@
+package io.codeka.gaia.runner
+
+import io.codeka.gaia.runner.config.DockerConfig
+import io.codeka.gaia.settings.bo.Settings
+import io.codeka.gaia.stacks.bo.Job
+import io.codeka.gaia.stacks.workflow.JobWorkflow
+import org.junit.Assert
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.context.properties.EnableConfigurationProperties
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.context.TestPropertySource
+
+@SpringBootTest(classes = [DockerRunner::class, DockerConfig::class, Settings::class, HttpHijackWorkaround::class])
+@EnableConfigurationProperties
+@TestPropertySource(properties = ["gaia.dockerDaemonUrl=unix:///var/run/docker.sock"])
+class DockerRunnerIT {
+
+    @Autowired
+    private lateinit var dockerRunner: DockerRunner
+
+    @Test
+    fun `runContainerForJob() should work with a simple script`() {
+        val script = "echo 'Hello World'"
+
+        val job = Job()
+        job.cliVersion = "0.12.18"
+        val jobWorkflow = JobWorkflow(job)
+
+        Assert.assertEquals(0, dockerRunner.runContainerForJob(jobWorkflow, script).toLong())
+    }
+
+    @Test
+    fun `runContainerForJob() should return the script exit code`() {
+        val script = "exit 5"
+
+        val job = Job()
+        job.cliVersion = "0.12.18"
+        val jobWorkflow = JobWorkflow(job)
+
+        Assert.assertEquals(5, dockerRunner.runContainerForJob(jobWorkflow, script).toLong())
+    }
+}