test: Add rust write and spark read integration test

crates/integration_tests/src/lib.rs

@@ -25,7 +25,7 @@ use iceberg_test_utils::{normalize_test_name, set_up};
 const REST_CATALOG_PORT: u16 = 8181;
 
 pub struct TestFixture {
-    pub _docker_compose: DockerCompose,
+    pub docker_compose: DockerCompose,
     pub catalog_config: RestCatalogConfig,
 }
 
@@ -57,7 +57,7 @@ pub fn set_test_fixture(func: &str) -> TestFixture {
         .build();
 
     TestFixture {
-        _docker_compose: docker_compose,
+        docker_compose,
         catalog_config,
     }
 }

crates/integration_tests/testdata/spark/Dockerfile

@@ -52,6 +52,7 @@ WORKDIR '/home/'
 
 COPY entrypoint.sh .
 COPY provision.py .
+COPY validation.py .
 
 HEALTHCHECK --retries=120 --interval=1s \
   CMD ls /tmp/ready || exit 1

crates/integration_tests/testdata/spark/validation.py

@@ -0,0 +1,28 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import argparse
+from pyspark.sql import SparkSession
+
+spark = SparkSession.builder.getOrCreate()
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--sql", type=str, required=True, help="query to run")
+    args = parser.parse_args()
+
+    spark.sql(args.sql).show(truncate=False)

crates/integration_tests/tests/shared.rs

@@ -31,6 +31,6 @@ pub fn get_shared_containers() -> &'static Arc<TestFixture> {
 #[dtor]
 fn shutdown() {
     if let Some(fixture) = DOCKER_CONTAINERS.get() {
-        fixture._docker_compose.down()
+        fixture.docker_compose.down()
     }
 }

crates/integration_tests/tests/shared_tests/mod.rs

@@ -30,6 +30,7 @@ mod datafusion;
 mod read_evolved_schema;
 mod read_positional_deletes;
 mod scan_all_type;
+mod spark;
 
 pub async fn random_ns() -> Namespace {
     let fixture = get_shared_containers();