Fix Issue #287, Ability to list the ChannelManifest and Streams present in a ChannelSession

core/src/main/java/org/wildfly/channel/ChannelSession.java

@@ -124,6 +124,16 @@ public MavenArtifact resolveMavenArtifact(String groupId, String artifactId, Str
         return new MavenArtifact(groupId, artifactId, extension, classifier, latestVersion, artifact.file, artifact.channel.getChannelDefinition().getName());
     }
 
+    /**
+     * Return the list of manifests configured in this channel session.
+     * @return The list of manifests.
+     */
+    public List<ChannelManifest> getManifests() {
+        return channels.stream()
+                .map(p -> p.getManifest())
+                .collect(Collectors.toUnmodifiableList());
+    }
+
     /**
      * Resolve a list of Maven artifacts according to the session's channels.
      * <p>

core/src/test/java/org/wildfly/channel/ChannelSessionTestCase.java

@@ -43,6 +43,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
+import java.util.Set;
 
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
@@ -571,6 +572,46 @@ public void testChannelWithStrictStrategy() throws Exception {
         }
     }
 
+    @Test
+    public void testGetManifests() throws Exception {
+        String name1 = "manifest1";
+        String name2 = "manifest2";
+        Stream[] streams1 = {new Stream("org.foo", "foo", "25.0.0.Final"), new Stream("org.foo", "bar", "23.0.0.Final")};
+        Stream[] streams2 = {new Stream("org.bar", "foo", "20.0.0.Final"), new Stream("org.bar", "bar", "21.0.0.Final")};
+        String manifest1 = buildManifest(name1, streams1);
+        String manifest2 = buildManifest(name2, streams2);
+
+        MavenVersionsResolver.Factory factory = mock(MavenVersionsResolver.Factory.class);
+        MavenVersionsResolver resolver = mock(MavenVersionsResolver.class);
+        when(factory.create(any())).thenReturn(resolver);
+
+        final List<Channel> channels = mockChannel(resolver, tempDir, manifest1, manifest2);
+
+        try (ChannelSession session = new ChannelSession(channels, factory)) {
+            assertEquals(2,session.getManifests().size());
+            checkManifest(session.getManifests().get(0), name1, streams1);
+            checkManifest(session.getManifests().get(1), name2, streams2);
+        }
+    }
+
+    private String buildManifest(String name, Stream... streams) {
+        StringBuilder manifest = new StringBuilder("schemaVersion: " + CURRENT_SCHEMA_VERSION + "\n" +
+                          "name: " + name + "\n" +
+                          "streams:\n");
+        for(Stream stream : streams) {
+            manifest.append(
+                    "  - groupId: "+ stream.getGroupId() + "\n"
+                    + "    artifactId: "+ stream.getArtifactId() + "\n"
+                    + "    version: \"" + stream.getVersion() + "\"\n");
+        }
+        return manifest.toString();
+    }
+
+    private void checkManifest(ChannelManifest manifest, String name, Stream... streams) {
+        assertEquals(name, manifest.getName());
+        assertTrue(Set.of(streams).containsAll(manifest.getStreams()));
+    }
+
     @Test
     public void testChannelWithDefaultStrategy() throws Exception {
         String manifest = "schemaVersion: " + CURRENT_SCHEMA_VERSION + "\n" +