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[Test Coverage] host-iptables-chain.ts rethrow branch #6362

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Merged
lpcox merged 2 commits into from
Jul 18, 2026
Merged

[Test Coverage] host-iptables-chain.ts rethrow branch #6362

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46e54ad
test: cover rethrow branch in checkPermissionsAndSetupChain
github-actions[bot] Jul 18, 2026
54914a2
Potential fix for pull request finding
lpcox Jul 18, 2026
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15 changes: 15 additions & 0 deletions src/host-iptables-chain-branches.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,21 @@ describe('host-iptables-chain branch coverage', () => {
// ENOENT / "not found" error. This path re-throws as a user-readable
// "iptables is required but was not found" message.
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// checkPermissionsAndSetupChain – iptables --version fails with a non-ENOENT
// error (e.g. unexpected system error). This path re-throws the original error.
// -------------------------------------------------------------------------
describe('checkPermissionsAndSetupChain – iptables --version fails with non-ENOENT error', () => {
it('rethrows the original error when iptables --version fails for a non-missing-command reason', async () => {
const originalError = new Error('Unexpected iptables failure');
mockedExeca
// iptables --version — fails with a non-ENOENT error
.mockRejectedValueOnce(originalError);

await expect(checkPermissionsAndSetupChain('FW_TEST')).rejects.toBe(originalError);
});
});

describe('checkPermissionsAndSetupChain – DOCKER-USER check fails with ENOENT', () => {
it('throws a user-readable message when DOCKER-USER list reports iptables not found', async () => {
mockedExeca
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