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chore: add tests

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Jack Wotherspoon
2026-03-14 18:35:15 +01:00
parent 2b96590e94
commit 7ff4402dbd
3 changed files with 411 additions and 1 deletions
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packages/cli/src/ui/components/PoliciesDialog.test.tsx
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/**
* @license
* Copyright 2026 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { act } from 'react';
import { renderWithProviders } from '../../test-utils/render.js';
import { waitFor } from '../../test-utils/async.js';
import { PoliciesDialog } from './PoliciesDialog.js';
import { PolicyDecision } from '@google/gemini-cli-core';
import type { PolicyRule } from '@google/gemini-cli-core';
function makeRule(
overrides: Partial<PolicyRule> & { decision: PolicyDecision },
): PolicyRule {
return {
toolName: undefined,
priority: 0,
source: undefined,
argsPattern: undefined,
...overrides,
} as PolicyRule;
}
// Realistic user/workspace/extension policies (default rules are filtered
// out before reaching the dialog — see policiesCommand.ts).
const ALLOW_RULES: PolicyRule[] = [
makeRule({
decision: PolicyDecision.ALLOW,
toolName: 'run_shell_command',
priority: 4.1,
source: 'User: allowed-tools.toml',
argsPattern: new RegExp('"command":"git\\ show(?:[\\s"]|\\\\")'),
}),
makeRule({
decision: PolicyDecision.ALLOW,
toolName: 'run_shell_command',
priority: 4.1,
source: 'User: allowed-tools.toml',
argsPattern: new RegExp('"command":"git\\ diff(?:[\\s"]|\\\\")'),
}),
makeRule({
decision: PolicyDecision.ALLOW,
toolName: 'run_shell_command',
priority: 4.0,
source: 'Workspace: .gemini/settings.json',
argsPattern: new RegExp('"command":"npm\\ test(?:[\\s"]|\\\\")'),
}),
];
const ASK_RULES: PolicyRule[] = [
makeRule({
decision: PolicyDecision.ASK_USER,
toolName: 'write_file',
priority: 3,
source: 'Workspace: .gemini/policies/write-guard.toml',
}),
makeRule({
decision: PolicyDecision.ASK_USER,
toolName: 'run_shell_command',
priority: 2,
source: 'Workspace: .gemini/policies/shell.toml',
}),
];
const DENY_RULES: PolicyRule[] = [
makeRule({
decision: PolicyDecision.DENY,
toolName: 'run_shell_command',
priority: 10,
source: 'Admin: admin-policies.toml',
argsPattern: new RegExp('"command":"rm\\ -rf(?:[\\s"]|\\\\")'),
}),
];
const ALL_RULES = [...ALLOW_RULES, ...ASK_RULES, ...DENY_RULES];
const TOOL_DISPLAY_NAMES = new Map([
['run_shell_command', 'Shell'],
['write_file', 'WriteFile'],
]);
describe('PoliciesDialog', () => {
let onClose: () => void;
beforeEach(() => {
onClose = vi.fn();
});
it('renders with Allow tab active by default', async () => {
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
const output = lastFrame();
expect(output).toMatchSnapshot();
expect(output).toContain('Policies');
expect(output).toContain('Allow');
// Should show resolved display names, not internal names
expect(output).toContain('Shell');
expect(output).not.toContain('run_shell_command');
});
it('shows formatted shell command constraints', async () => {
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
const output = lastFrame();
expect(output).toContain('git show*');
expect(output).toContain('git diff*');
expect(output).toContain('npm test*');
});
it('displays policy source on each item', async () => {
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
const output = lastFrame();
expect(output).toContain('User: allowed-tools.toml');
expect(output).toContain('Workspace: .gemini/settings.json');
});
it('displays correct count for Allow tab', async () => {
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
expect(lastFrame()).toContain('3 Allow policies');
});
it('switches to Ask tab with right arrow', async () => {
const { stdin, lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
act(() => {
stdin.write('\x1B[C'); // Right arrow
});
await waitFor(() => {
const output = lastFrame();
expect(output).toContain('WriteFile');
expect(output).toContain('2 Ask policies');
});
});
it('switches to Deny tab and shows deny rules', async () => {
const { stdin, lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
// Right arrow twice: Allow → Ask → Deny
act(() => {
stdin.write('\x1B[C');
});
act(() => {
stdin.write('\x1B[C');
});
await waitFor(() => {
const output = lastFrame();
expect(output).toContain('rm -rf*');
expect(output).toContain('Admin: admin-policies.toml');
expect(output).toContain('1 Deny policy');
});
});
it('wraps tabs with left arrow from first tab', async () => {
const { stdin, lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
// Left from Allow wraps to Deny
act(() => {
stdin.write('\x1B[D');
});
await waitFor(() => {
expect(lastFrame()).toContain('1 Deny policy');
});
});
it('shows empty state when a tab has no rules', async () => {
// Only allow rules — Ask and Deny tabs will be empty
const { stdin, lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALLOW_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
// Navigate to Ask tab
act(() => {
stdin.write('\x1B[C');
});
await waitFor(() => {
expect(lastFrame()).toContain('No ask policies.');
});
});
it('navigates list items with up/down arrows', async () => {
const { stdin, lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
// First item is active (highest priority first)
expect(lastFrame()).toContain('●');
// Move down
act(() => {
stdin.write('\x1B[B');
});
await waitFor(() => {
// Active indicator should still be present on a different item
expect(lastFrame()).toContain('●');
});
});
it('closes on Escape when search is empty', async () => {
const { stdin } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
act(() => {
stdin.write('\x1B');
});
await waitFor(() => {
expect(onClose).toHaveBeenCalled();
});
});
it('shows "all tools" for wildcard rules (no toolName)', async () => {
const wildcardRule = makeRule({
decision: PolicyDecision.ALLOW,
priority: 1,
source: 'Workspace: .gemini/policies/global.toml',
});
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={[wildcardRule]}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
expect(lastFrame()).toContain('all tools');
});
it('falls back to internal name for unmapped tools (e.g. MCP)', async () => {
const mcpRule = makeRule({
decision: PolicyDecision.ALLOW,
toolName: 'mcp_my-server_search',
priority: 5,
source: 'User: mcp-policies.toml',
});
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={[mcpRule]}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
// No display name mapping exists, so internal name is shown
expect(lastFrame()).toContain('mcp_my-server_search');
});
it('renders with no rules at all (empty allow tab)', async () => {
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={[]}
toolDisplayNames={new Map()}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
expect(lastFrame()).toContain('No allow policies.');
});
it('sorts rules by priority descending within a tab', async () => {
// All three allow rules have priorities 4.1, 4.1, 4.0
// The 4.1 rules (git show, git diff) should appear before 4.0 (npm test)
const { lastFrame, waitUntilReady } = renderWithProviders(
<PoliciesDialog
rules={ALL_RULES}
toolDisplayNames={TOOL_DISPLAY_NAMES}
onClose={onClose}
/>,
{ width: 80 },
);
await waitUntilReady();
const output = lastFrame();
const gitShowIdx = output.indexOf('git show*');
const npmTestIdx = output.indexOf('npm test*');
expect(gitShowIdx).toBeLessThan(npmTestIdx);
});
});
packages/cli/src/ui/components/PoliciesDialog.tsx
+1 -1
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@@ -413,7 +413,7 @@ export function PoliciesDialog({
{showHelpText && (
<Box marginX={1}>
<Text color={theme.text.secondary}>
(↑↓ navigate, type to search, Tab to cycle tabs, Esc close)
(Use ↑↓ to navigate, ←/→ or Tab to cycle, Esc to close)
</Text>
</Box>
)}
packages/cli/src/ui/components/__snapshots__/PoliciesDialog.test.tsx.snap
+37
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// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
exports[`PoliciesDialog > renders with Allow tab active by default 1`] = `
"╭──────────────────────────────────────────────────────────────────────────────╮
│ │
│ Policies: ← Allow (3) │ Ask (2) │ Deny (1) → │
│ │
│ Tools that run automatically without confirmation. │
│ ╭──────────────────────────────────────────────────────────────────────────╮ │
│ │ Search to filter... │ │
│ ╰──────────────────────────────────────────────────────────────────────────╯ │
│ │
│ │
│ ● Shell(git show*) │
│ User: allowed-tools.toml │
│ Shell(git diff*) │
│ User: allowed-tools.toml │
│ Shell(npm test*) │
│ Workspace: .gemini/settings.json │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ 3 Allow policies │
│ (↑↓ navigate, type to search, Tab to cycle tabs, Esc close) │
│ │
╰──────────────────────────────────────────────────────────────────────────────╯
"
`;