tests(schema): add unit tests for OpenRPC-like fragments to build confidence before IT; INFO prologues per test (#29)

Author: simbo1905

json-java21-schema/src/test/java/io/github/simbo1905/json/schema/OpenRPCFragmentsUnitTest.java

@@ -0,0 +1,81 @@
+package io.github.simbo1905.json.schema;
+
+import jdk.sandbox.java.util.json.Json;
+import org.junit.jupiter.api.Test;
+
+import static io.github.simbo1905.json.schema.SchemaLogging.LOG;
+import static org.assertj.core.api.Assertions.assertThat;
+
+/// Unit tests that exercise OpenRPC-like schema fragments using only
+/// keywords currently supported by the validator. These build confidence
+/// incrementally before the larger IT that validates full documents.
+class OpenRPCFragmentsUnitTest extends JsonSchemaLoggingConfig {
+
+    @Test
+    void info_object_minimal_required_fields() {
+        LOG.info(() -> "TEST: " + getClass().getSimpleName() + "#info_object_minimal_required_fields");
+        final var schema = JsonSchema.compile(Json.parse(
+            "{" +
+            "\"type\":\"object\"," +
+            "\"required\":[\"title\",\"version\"]," +
+            "\"properties\":{\"title\":{\"type\":\"string\"},\"version\":{\"type\":\"string\"}}," +
+            "\"additionalProperties\":true" +
+            "}"
+        ));
+
+        final var good = schema.validate(Json.parse("{\"title\":\"X\",\"version\":\"1.0\"}"));
+        assertThat(good.valid()).isTrue();
+
+        final var bad = schema.validate(Json.parse("{\"title\":\"X\"}"));
+        assertThat(bad.valid()).isFalse();
+    }
+
+    @Test
+    void method_object_requires_name_and_params() {
+        LOG.info(() -> "TEST: " + getClass().getSimpleName() + "#method_object_requires_name_and_params");
+        final var schema = JsonSchema.compile(Json.parse("""
+            {
+              "type":"object",
+              "required":["name","params"],
+              "properties":{
+                "name":{"type":"string","minLength":1},
+                "params":{"type":"array"}
+              },
+              "additionalProperties": true
+            }
+        """));
+
+        final var ok = schema.validate(Json.parse("{\"name\":\"op\",\"params\":[]}"));
+        assertThat(ok.valid()).isTrue();
+
+        final var missing = schema.validate(Json.parse("{\"name\":\"op\"}"));
+        assertThat(missing.valid()).isFalse();
+    }
+
+    @Test
+    void param_object_requires_name_and_allows_schema_object() {
+        LOG.info(() -> "TEST: " + getClass().getSimpleName() + "#param_object_requires_name_and_allows_schema_object");
+        final var schema = JsonSchema.compile(Json.parse(
+            "{" +
+            "\"type\":\"object\"," +
+            "\"required\":[\"name\"]," +
+            "\"properties\":{\"name\":{\"type\":\"string\",\"minLength\":1},\"schema\":{\"type\":\"object\"}}," +
+            "\"additionalProperties\":true" +
+            "}"
+        ));
+
+        final var ok = schema.validate(Json.parse("{\"name\":\"n\",\"schema\":{}}"));
+        assertThat(ok.valid()).isTrue();
+
+        final var bad = schema.validate(Json.parse("{\"schema\":{}}"));
+        assertThat(bad.valid()).isFalse();
+    }
+
+    @Test
+    void uri_format_example_as_used_by_openrpc_examples() {
+        LOG.info(() -> "TEST: " + getClass().getSimpleName() + "#uri_format_example_as_used_by_openrpc_examples");
+        final var schema = JsonSchema.compile(Json.parse("{\"type\":\"string\",\"format\":\"uri\"}"));
+
+        assertThat(schema.validate(Json.parse("\"https://open-rpc.org\""))).extracting("valid").isEqualTo(true);
+    }
+}