test (jkube-kit) : Add ImageName upstream compatibility tests

Add tests for ImageName for ORAS reference and Docker Distribution
reference.

Signed-off-by: Rohan Kumar <rohaan@redhat.com>

jkube-kit/config/image/src/test/java/org/eclipse/jkube/kit/config/image/ImageNameDistributionReferenceTest.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2019 Red Hat, Inc.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at:
+ *
+ *     https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+package org.eclipse.jkube.kit.config.image;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+/**
+ * This test has been added to ensure ImageName's upstream compatibility with Docker Distribution Reference.
+ * Tests ported from <a href="https://github.com/distribution/reference/blob/8507c7fcf0da9f570540c958ea7b972c30eeaeca/reference_test.go">Distribution Reference</a>
+ */
+class ImageNameDistributionReferenceTest {
+
+  @ParameterizedTest
+  @ValueSource(strings = {
+      "test.com/foo",
+      "test:8080/foo",
+      "docker.io/library/foo",
+      "test_com",
+      "test.com:tag",
+      "test.com:5000",
+      "test.com/repo:tag",
+      "test:5000/repo",
+      "test:5000/repo:tag",
+      "lowercase:Uppercase",
+      "test:5000/repo@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+      "test:5000/repo:tag@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+      "sub-dom1.foo.com/bar/baz/quux",
+      "sub-dom1.foo.com/bar/baz/quux:some-long-tag",
+      "b.gcr.io/test.example.com/my-app:test.example.com",
+      "xn--n3h.com/myimage:xn--n3h.com",
+      //"xn--7o8h.com/myimage:xn--7o8h.com@sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // https://github.com/eclipse/jkube/issues/2540
+      "foo_bar.com:8080",
+      "foo/foo_bar.com:8080",
+      "192.168.1.1",
+      "192.168.1.1:tag",
+      "192.168.1.1:5000",
+      "192.168.1.1/repo",
+      "192.168.1.1:5000/repo",
+      "192.168.1.1:5000/repo:5050",
+      "a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a:tag-puts-this-over-max",
+      "docker/docker",
+      "library/debian",
+      "debian",
+      "localhost/library/debian",
+      "localhost/debian",
+      "docker.io/docker/docker",
+      "docker.io/library/debian",
+      "docker.io/debian",
+      "index.docker.io/docker/docker",
+      "index.docker.io/library/debian",
+      "index.docker.io/debian",
+      "127.0.0.1:5000/docker/docker",
+      "127.0.0.1:5000/library/debian",
+      "127.0.0.1:5000/debian",
+      "192.168.0.1",
+      "192.168.0.1:80",
+      "192.168.0.1:8/debian",
+      "192.168.0.2:25000/debian",
+      "docker.io/1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
+      //"[2001:db8::1]/repo", // https://github.com/eclipse/jkube/issues/2541
+      //"[2001:db8:1:2:3:4:5:6]/repo:tag", // https://github.com/eclipse/jkube/issues/2541
+      //"[2001:db8::1]:5000/repo", // https://github.com/eclipse/jkube/issues/2541
+      //"[2001:db8::1]:5000/repo:tag", // https://github.com/eclipse/jkube/issues/2541
+      //"[2001:db8::1]:5000/repo@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // https://github.com/eclipse/jkube/issues/2541
+      //"[2001:db8::1]:5000/repo:tag@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // https://github.com/eclipse/jkube/issues/2541
+      //"[2001:db8::]:5000/repo", // https://github.com/eclipse/jkube/issues/2541
+      //"[::1]:5000/repo", // https://github.com/eclipse/jkube/issues/2541
+  })
+  void validNames(String name) {
+    // Given
+    ImageName imageName = new ImageName(name);
+
+    // When + Then
+    assertThat(imageName).isNotNull();
+  }
+
+  @ParameterizedTest
+  @ValueSource(strings = {
+      "",
+      ":justtag",
+      "@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+      //"a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a/a:tag", // https://github.com/eclipse/jkube/issues/2542
+      //"repo@sha256:ffffffffffffffffffffffffffffffffff", // https://github.com/eclipse/jkube/issues/2543
+      "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+      "Uppercase:tag",
+      "test:5000/Uppercase/lowercase:tag",
+      "aa/asdf$$^/aa",
+      //"[fe80::1%eth0]:5000/repo", // https://github.com/eclipse/jkube/issues/2541
+      //"[fe80::1%@invalidzone]:5000/repo", // https://github.com/eclipse/jkube/issues/2541
+  })
+  void invalidNames(String name) {
+    assertThatIllegalArgumentException().isThrownBy(() -> new ImageName(name));
+  }
+}

jkube-kit/config/image/src/test/java/org/eclipse/jkube/kit/config/image/ImageNameORASReferenceTest.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2019 Red Hat, Inc.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at:
+ *
+ *     https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+package org.eclipse.jkube.kit.config.image;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+/**
+ * This test has been added to ensure ImageName's upstream compatibility with OCI Registry Reference.
+ * Tests ported from <a href="https://github.com/oras-project/oras-go/blob/3b1dd0e9700082fe7bc690a745263c06361417dd/registry/reference_test.go">ORAS Reference</a>
+ */
+class ImageNameORASReferenceTest {
+  @ParameterizedTest
+  @ValueSource(strings = {
+      "localhost/hello-world@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "localhost/hello-world:v1",
+      "localhost/hello-world",
+      "registry.example.com/hello-world@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "registry.example.com/hello-world:v1",
+      "registry.example.com/hello-world",
+      "localhost:5000/hello-world@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "localhost:5000/hello-world:v1",
+      "localhost:5000/hello-world",
+      "127.0.0.1:5000/hello-world@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "127.0.0.1:5000/hello-world:v1",
+      "127.0.0.1:5000/hello-world",
+      "localhost/hello-world:v2@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "registry.example.com/hello-world:v2@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "localhost:5000/hello-world:v2@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      "127.0.0.1:5000/hello-world:v2@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
+      //"[::1]:5000/hello-world:v1", // https://github.com/eclipse/jkube/issues/2541
+      //"registry.example.com/hello-world:@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9", // https://github.com/eclipse/jkube/issues/2545
+  })
+  void validImageNamesCompatibleWithAll(String name) {
+    // Given + When
+    ImageName imageName = new ImageName(name);
+
+    // Then
+    assertThat(imageName).isNotNull();
+  }
+
+  @ParameterizedTest
+  @ValueSource(strings = {
+      "localhost/UPPERCASE/test", // Invalid repo name
+      "localhost:v1/hello-world", // Invalid port
+      "registry.example.com/hello-world:foobar:sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9", // Invalid Digest prefix: colon instead of the at sign
+      "registry.example.com/hello-world@@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9", // Invalid Digest prefix: double at sign
+      "registry.example.com/hello-world @sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9", // Invalid Digest prefix: space
+      //"registry.example.com/foobar@sha256:b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde" // https://github.com/eclipse/jkube/issues/2543
+  })
+  void invalidImageNames(String name) {
+    assertThatIllegalArgumentException().isThrownBy(() -> new ImageName(name));
+  }
+}