add test installK9s

src/main/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/K9s.kt

@@ -1,18 +1,15 @@
 package org.domaindrivenarchitecture.provs.server.infrastructure
 
 import org.domaindrivenarchitecture.provs.framework.core.Prov
-import org.domaindrivenarchitecture.provs.framework.ubuntu.filesystem.base.*
 import org.domaindrivenarchitecture.provs.framework.ubuntu.web.base.downloadFromURL
 
-// -----------------------------------  versions  --------------------------------
 
 const val K9S_VERSION = "v0.32.5"
 
-// -----------------------------------  public functions  --------------------------------
-
 
 fun Prov.installK9s() = task {
-    createDir("/tmp", sudo = true)
-    downloadFromURL("https://github.com/derailed/k9s/releases/download/" + K9S_VERSION + "/k9s_linux_amd64.deb", "k9s_linux_amd64.deb", "/tmp")
+    if (cmdNoEval("k9s version").out?.contains(K9S_VERSION) != true) {
+        downloadFromURL("https://github.com/derailed/k9s/releases/download/$K9S_VERSION/k9s_linux_amd64.deb", "k9s_linux_amd64.deb", "/tmp")
         cmd("sudo dpkg -i k9s_linux_amd64.deb", "/tmp")
     }
+}

src/test/kotlin/org/domaindrivenarchitecture/provs/desktop/infrastructure/GraalVMKtTest.kt

@@ -14,7 +14,10 @@ class GraalVMKtTest {
         val prov = defaultTestContainer()
 
         // when
-        val res = prov.installGraalVM()
+        val res = prov.task {
+            installGraalVM()
+            installGraalVM()   // test repeatability
+        }
 
         // then
         assertTrue(res.success)

src/test/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/K9sKtTest.kt

@@ -0,0 +1,23 @@
+package org.domaindrivenarchitecture.provs.server.infrastructure
+
+import org.domaindrivenarchitecture.provs.test.defaultTestContainer
+import org.domaindrivenarchitecture.provs.test.tags.ContainerTest
+import org.junit.jupiter.api.Assertions.assertTrue
+
+class K9sKtTest {
+
+    @ContainerTest
+    fun installK9s() {
+        // given
+        val prov = defaultTestContainer()
+
+        // when
+        val res = prov.task {
+            installK9s()
+            installK9s()  // test repeatability
+        }
+
+        // then
+        assertTrue(res.success)
+    }
+}