solana: Add testing script and common utils

Author: nvsriram

solana/run-tests

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# Run each tests/*.test.ts file separately to avoid account state persisting between tests
+for file in `ls tests/*.test.ts`
+do
+    # convert file-name to FILE_NAME
+    declare -u env_flag
+    filename=$(basename -- "$file")
+    filename="${filename%.test.*}"
+    env_flag=${filename//-/_} 
+    
+    env $env_flag=1 bash -c 'anchor test --skip-build'
+done

solana/tests/utils/index.ts

@@ -0,0 +1,41 @@
+import {
+  ChainContext,
+  Signer,
+  signSendWait as ssw,
+} from "@wormhole-foundation/sdk";
+import path from "path";
+
+const TESTFILE_MATCH_PATTERN = /.test.ts$/;
+
+/**
+ * Skips test file execution if the corresponding environment variable is not set.
+ *
+ * eg:- To run `file-name.test.ts`, `FILE_NAME` environment variable should be set
+ */
+export const handleTestSkip = (filename: string) => {
+  const testName = path.basename(filename).replace(TESTFILE_MATCH_PATTERN, "");
+  const envVar = testName.replaceAll("-", "_").toUpperCase();
+  const shouldRun = process.env[envVar];
+  if (!shouldRun) {
+    test.only("Skipping all tests", () => {});
+  }
+};
+
+export const signSendWait = async (
+  chain: ChainContext<any, any, any>,
+  txs: AsyncGenerator<any>,
+  signer: Signer,
+  shouldLog = true,
+  shouldThrow = false
+) => {
+  try {
+    await ssw(chain, txs, signer);
+  } catch (e) {
+    if (shouldLog) {
+      console.error(e);
+    }
+    if (shouldThrow) {
+      throw e;
+    }
+  }
+};