test: refactor TupleCoder tests

.changeset/calm-actors-attack.md

@@ -0,0 +1,2 @@
+---
+---

packages/abi-coder/src/coders/tuple.test.ts

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+/* eslint-disable @typescript-eslint/ban-ts-comment */
+import { bn } from '@fuel-ts/math';
+
+import { U64_MAX } from '../../test/utils/constants';
+
+import BooleanCoder from './boolean';
+import TupleCoder from './tuple';
+import U64Coder from './u64';
+
+describe('Tuple Coder', () => {
+  const coder = new TupleCoder<[BooleanCoder, U64Coder]>([new BooleanCoder(), new U64Coder()]);
+
+  it('should encode a tuple containing a boolean and u64', () => {
+    const expected = new Uint8Array([
+      0, 0, 0, 0, 0, 0, 0, 1, 255, 255, 255, 255, 255, 255, 255, 255,
+    ]);
+    const actual = coder.encode([true, U64_MAX]);
+
+    expect(actual).toStrictEqual(expected);
+  });
+
+  it('should decode a tuple containing a boolean and u64', () => {
+    const expectedValue = [true, bn(U64_MAX)];
+    const expectedLength = 16;
+    const [actualValue, actualLength] = coder.decode(
+      new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 255, 255, 255, 255, 255, 255, 255, 255]),
+      0
+    );
+
+    expect(JSON.stringify(actualValue)).toStrictEqual(JSON.stringify(expectedValue));
+    expect(actualLength).toBe(expectedLength);
+  });
+
+  it('should not throw given correctly typed inputs', () => {
+    expect(() => coder.encode([true, bn(1234)])).not.toThrow();
+  });
+
+  it('should throw when provided with extra inputs', () => {
+    expect(() =>
+      coder.encode(
+        // @ts-expect-error
+        [true, bn(1337), false]
+      )
+    ).toThrow('Types/values length mismatch');
+  });
+
+  it('should throw type error with both missing inputs', () => {
+    expect(() =>
+      coder.encode(
+        // @ts-expect-error
+        []
+      )
+    ).toThrow('Types/values length mismatch');
+  });
+
+  it('should throw type error with a missing input', () => {
+    expect(() =>
+      coder.encode(
+        // @ts-expect-error
+        [true]
+      )
+    ).toThrow('Types/values length mismatch');
+  });
+
+  it('should throw type error with invalid inputs', () => {
+    expect(() =>
+      coder.encode(
+        // @ts-expect-error
+        [bn(1234), true]
+      )
+    ).toThrow();
+  });
+
+  it('should throw when input is an object', () => {
+    expect(() =>
+      coder.encode(
+        // @ts-expect-error
+        { nope: 42 }
+      )
+    ).toThrow();
+  });
+});