Add a test to check the program address config works as expected

Author: mcintyre94

packages/renderers-js/e2e/token/test/programAddressOverride.test.ts

@@ -0,0 +1,28 @@
+import { address, generateKeyPairSigner } from '@solana/web3.js';
+import test from 'ava';
+import { getInitializeMintInstruction } from '../src/index.js';
+
+test('it can override the program address of an instruction', async (t) => {
+  // Note: this test does not need to run the generated instruction
+
+  // Given: a program address that we want to create instructions for
+  const TOKEN_22_PROGRAM_ADDRESS = address(
+    'TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb'
+  );
+
+  // When we generate an initialize mint instruction with the program address
+  const mintAddress = (await generateKeyPairSigner()).address;
+  const mintAuthorityAddress = (await generateKeyPairSigner()).address;
+
+  const mintInstruction = getInitializeMintInstruction(
+    {
+      mint: mintAddress,
+      decimals: 2,
+      mintAuthority: mintAuthorityAddress,
+    },
+    { programAddress: TOKEN_22_PROGRAM_ADDRESS }
+  );
+
+  // Then: the generated instruction has the correct program address
+  t.is(mintInstruction.programAddress, TOKEN_22_PROGRAM_ADDRESS);
+});

packages/renderers-js/test/instructionsPage.test.ts

@@ -397,3 +397,27 @@ test('it can override the import of a resolver value node', async () => {
         someModule: ['myResolver'],
     });
 });
+
+test('it renders optional config that can override the program address', async () => {
+    // Given the following instruction
+    const node = programNode({
+        instructions: [
+            instructionNode({
+                accounts: [],
+                name: 'myInstruction',
+            }),
+        ],
+        name: 'myProgram',
+        publicKey: '1111',
+    });
+
+    // When we render it.
+    const renderMap = visit(node, getRenderMapVisitor());
+
+    // Then we expect an optional config parameter with an optional programAddress field
+    // And we expect this to be used to override programAddress if it is set
+    await renderMapContains(renderMap, 'instructions/myInstruction.ts', [
+        'config?: { programAddress?: TProgramAddress }',
+        'programAddress = config?.programAddress ?? MY_PROGRAM_PROGRAM_ADDRESS',
+    ]);
+});