Add unit test for optional role_session_name

tests/role_session_name_optional/expected_variables.json

@@ -0,0 +1,23 @@
+{
+  "assume_role_arn": {
+    "value": ""
+  },
+  "aws_cli_commands": {
+    "value": [
+      "s3api",
+      "list-objects",
+      "--bucket",
+      "ryft-public-sample-data",
+      "--no-sign-request"
+    ]
+  },
+  "aws_cli_query": {
+    "value": "max_by(Contents, &Size)"
+  },
+  "debug_log_filename": {
+    "value": ""
+  },
+  "role_session_name": {
+    "value": ""
+  }
+}

tests/role_session_name_optional/terraform.tfvars

@@ -0,0 +1,3 @@
+// ryft-public-sample-data is a publicly accessible S3 bucket.
+aws_cli_commands = ["s3api", "list-objects", "--bucket", "ryft-public-sample-data", "--no-sign-request"]
+aws_cli_query    = "max_by(Contents, &Size)"

tests/role_session_name_optional/test.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+function run_test() {
+if [[ ! -f $PLAN_FILE ]]; then
+  echo "Failed to generate a plan - $PLAN_FILE";
+  exit 1;
+fi
+
+if [[ ! "$(terraform show -json $PLAN_FILE | jq -MSr .variables)" == "$(cat $EXPECTED_VARIABLES)" ]]; then
+  echo 'Failed to incorporate expected variable values into plan.';
+  exit 2;
+fi
+
+terraform apply -auto-approve -backup=- -state-out $STATE_FILE -var-file $TERRAFORM_TFVARS > $APPLY_LOG_FILE 2> $APPLY_ERROR_FILE
+
+if [[ ! -f $STATE_FILE ]]; then
+  echo "Failed to generate state file - $STATE_FILE";
+  exit 3;
+fi
+
+# Extract some content the state file.
+if [[ ! "$(cat $STATE_FILE)" == *'0ae8f910a30bc83fd81c4e3c1a6bbd9bab0afe4e0762b56a2807d22fcd77d517'* ]]; then
+  echo 'Failed to retrieve expected content from AWS.';
+  exit 4;
+fi
+
+# Extract some content from the apply log.
+if [[ ! "$(cat $APPLY_LOG_FILE)" == *"0ae8f910a30bc83fd81c4e3c1a6bbd9bab0afe4e0762b56a2807d22fcd77d517"* ]]; then
+  echo 'Failed to present expected content to Terraform.';
+  exit 5;
+fi
+
+# Validate the absence of the debug log.
+if [[ -f $DEBUG_LOG_FILE ]]; then
+  echo "Incorrectly generated debug.log file - $DEBUG_LOG_FILE";
+  exit 6;
+fi
+}
+
+. tests/common.sh $0