test: add integration test for desc

tests/desc.rs

@@ -0,0 +1,97 @@
+/*
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed 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.
+ */
+
+pub mod util;
+
+use assert_cmd::prelude::*; // Add methods on commands
+use predicates::prelude::*; // Used for writing assertions
+
+#[tokio::test]
+async fn test_desc_non_existent_table() -> Result<(), Box<dyn std::error::Error>> {
+    let mut c = util::setup().await?;
+    let cmd = c.args(&[
+        "--region",
+        "local",
+        "--table",
+        "dummy-table-doent-exist",
+        "get",
+        "42",
+    ]);
+    cmd.assert().failure().stderr(predicate::str::contains(
+        // The error message is different between DynamoDB local and real service.
+        // It should be "Requested resource not found: Table: table not found" actually.
+        "Cannot do operations on a non-existent table",
+    ));
+    Ok(())
+}
+
+#[tokio::test]
+async fn test_desc_table() -> Result<(), Box<dyn std::error::Error>> {
+    let table_name = util::create_temporary_table(vec!["pk"]).await?;
+
+    let mut c = util::setup().await?;
+    let cmd = c.args(&["--region", "local", "--table", &table_name, "desc"]);
+    cmd.assert().success().stdout(
+        predicate::str::is_match(format!(
+            "name: {}
+region: local
+status: ACTIVE
+schema:
+  pk: pk (S)
+  sk: sk (N)
+mode: OnDemand
+capacity: ~
+gsi: ~
+lsi: ~
+stream: ~
+count: 0
+size_bytes: 0
+created_at: \".*\"",
+            table_name
+        ))
+        .unwrap(),
+    );
+    util::cleanup(vec![&table_name]).await
+}
+
+#[tokio::test]
+async fn test_desc_all_tables() -> Result<(), Box<dyn std::error::Error>> {
+    let table_name = util::create_temporary_table(vec!["pk"]).await?;
+
+    let mut c = util::setup().await?;
+    let cmd = c.args(&["--region", "local", "desc", "--all-tables"]);
+    cmd.assert().success().stdout(
+        predicate::str::is_match(format!(
+            "name: {}
+region: local
+status: ACTIVE
+schema:
+  pk: pk (S)
+  sk: sk (N)
+mode: OnDemand
+capacity: ~
+gsi: ~
+lsi: ~
+stream: ~
+count: 0
+size_bytes: 0
+created_at: \".*\"",
+            table_name
+        ))
+        .unwrap(),
+    );
+    util::cleanup(vec![&table_name]).await
+}