feat(calm-models): add CalmArchitecture.parse(Object) overload

Author: willosborne

calm-models/src/main/java/org/finos/calm/model/CalmArchitecture.java

@@ -45,6 +45,19 @@ public static CalmArchitecture parse(String json, ObjectMapper mapper) {
         }
     }
 
+    public static CalmArchitecture parse(Object object) {
+        return parse(object, defaultMapper());
+    }
+
+    public static CalmArchitecture parse(Object object, ObjectMapper mapper) {
+        try {
+            CalmArchitectureSchema schema = mapper.convertValue(object, CalmArchitectureSchema.class);
+            return from(schema, mapper);
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to parse CALM architecture from object", e);
+        }
+    }
+
     static CalmArchitecture from(CalmArchitectureSchema schema, ObjectMapper mapper) {
         List<CalmNode> nodes = schema.getNodes() == null ? List.of() :
             schema.getNodes().stream().map(n -> CalmNode.from(n, mapper)).toList();

calm-models/src/test/java/org/finos/calm/model/CalmArchitectureParseTest.java

@@ -1,10 +1,13 @@
 package org.finos.calm.model;
 
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import org.junit.jupiter.api.Test;
 
 import java.io.InputStream;
+import java.util.Map;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -42,4 +45,22 @@ void getMetadata_returnsEmptyForMissingKey() throws Exception {
         CalmArchitecture arch = CalmArchitecture.parse(loadFixture());
         assertThat(arch.getMetadata("no-such-key")).isEmpty();
     }
+
+    @Test
+    void parse_fromMap_loadsExpectedCounts() throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new JavaTimeModule());
+        Map<String, Object> map = mapper.readValue(loadFixture(), new TypeReference<>() {});
+        CalmArchitecture arch = CalmArchitecture.parse(map);
+        assertThat(arch.getNodes()).hasSize(4);
+        assertThat(arch.getRelationships()).hasSize(3);
+    }
+
+    @Test
+    void parse_fromJsonNode_loadsExpectedCounts() throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new JavaTimeModule());
+        JsonNode node = mapper.readTree(loadFixture());
+        CalmArchitecture arch = CalmArchitecture.parse(node);
+        assertThat(arch.getNodes()).hasSize(4);
+        assertThat(arch.getRelationships()).hasSize(3);
+    }
 }