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import { describe, expect, it, vi } from 'vitest';
import { StreamingMessageParser, type ActionCallback, type ArtifactCallback } from './message-parser.js';
import { makePartId } from './partId.js';
interface ExpectedResult {
output: string;
callbacks?: {
onArtifactOpen?: number;
onArtifactClose?: number;
onActionOpen?: number;
onActionClose?: number;
};
}
describe('StreamingMessageParser', () => {
it('should pass through normal text', () => {
const parser = new StreamingMessageParser();
expect(parser.parse(makePartId('test_id', 0), 'Hello, world!')).toBe('Hello, world!');
});
it('should allow normal HTML tags', () => {
const parser = new StreamingMessageParser();
expect(parser.parse(makePartId('test_id', 0), 'Hello <strong>world</strong>!')).toBe(
'Hello <strong>world</strong>!',
);
});
describe('no artifacts', () => {
it.each<[string | string[], ExpectedResult | string]>([
['Foo bar', 'Foo bar'],
['Foo bar <', 'Foo bar '],
['Foo bar <p', 'Foo bar <p'],
[['Foo bar <', 's', 'p', 'an>some text</span>'], 'Foo bar <span>some text</span>'],
])('should correctly parse chunks and strip out codinit artifacts (%#)', (input, expected) => {
runTest(input, expected);
});
});
describe('invalid or incomplete artifacts', () => {
it.each<[string | string[], ExpectedResult | string]>([
['Foo bar <c', 'Foo bar '],
['Foo bar <co', 'Foo bar '],
['Foo bar <cod', 'Foo bar '],
['Foo bar <codin', 'Foo bar '],
['Foo bar <codini', 'Foo bar '],
['Foo bar <codinitA', 'Foo bar '],
['Foo bar <codinitArtifacs></codinitArtifact>', 'Foo bar <codinitArtifacs></codinitArtifact>'],
['Before <oltArtfiact>foo</codinitArtifact> After', 'Before <oltArtfiact>foo</codinitArtifact> After'],
['Before <codinitArtifactt>foo</codinitArtifact> After', 'Before <codinitArtifactt>foo</codinitArtifact> After'],
])('should correctly parse chunks and strip out codinit artifacts (%#)', (input, expected) => {
runTest(input, expected);
});
});
describe('valid artifacts without actions', () => {
it.each<[string | string[], ExpectedResult | string]>([
[
'Some text before <codinitArtifact title="Some title" id="artifact_1">foo bar</codinitArtifact> Some more text',
{
output: 'Some text before Some more text',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
[
[
'Some text before <codinitArti',
'fact',
' title="Some title" id="artifact_1" type="bundled" >foo</codinitArtifact> Some more text',
],
{
output: 'Some text before Some more text',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
[
[
'Some text before <codinitArti',
'fact',
' title="Some title" id="artifact_1"',
'>',
'foo</codinitArtifact> Some more text',
],
{
output: 'Some text before Some more text',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
[
[
'Some text before <codinitArti',
'fact',
' title="Some title" id="artifact_1"',
' >fo',
'o</codinitArtifact> Some more text',
],
{
output: 'Some text before Some more text',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
[
[
'Some text before <codinitArti',
'fact tit',
'le="Some ',
'title" id="artifact_1">fo',
'o',
'<',
'/codinitArtifact> Some more text',
],
{
output: 'Some text before Some more text',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
[
[
'Some text before <codinitArti',
'fact title="Some title" id="artif',
'act_1">fo',
'o<',
'/codinitArtifact> Some more text',
],
{
output: 'Some text before Some more text',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
[
'Before <codinitArtifact title="Some title" id="artifact_1">foo</codinitArtifact> After',
{
output: 'Before After',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 0, onActionClose: 0 },
},
],
])('should correctly parse chunks and strip out codinit artifacts (%#)', (input, expected) => {
runTest(input, expected);
});
});
describe('valid artifacts with actions', () => {
it.each<[string | string[], ExpectedResult | string]>([
[
'Before <codinitArtifact title="Some title" id="artifact_1"><codinitAction type="shell">npm install</codinitAction></codinitArtifact> After',
{
output: 'Before After',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 1, onActionClose: 1 },
},
],
[
'Before <codinitArtifact title="Some title" id="artifact_1"><codinitAction type="shell">npm install</codinitAction><codinitAction type="file" filePath="index.js">some content</codinitAction></codinitArtifact> After',
{
output: 'Before After',
callbacks: { onArtifactOpen: 1, onArtifactClose: 1, onActionOpen: 2, onActionClose: 2 },
},
],
])('should correctly parse chunks and strip out codinit artifacts (%#)', (input, expected) => {
runTest(input, expected);
});
});
});
function runTest(input: string | string[], outputOrExpectedResult: string | ExpectedResult) {
let expected: ExpectedResult;
if (typeof outputOrExpectedResult === 'string') {
expected = { output: outputOrExpectedResult };
} else {
expected = outputOrExpectedResult;
}
const callbacks = {
onArtifactOpen: vi.fn<ArtifactCallback>((data) => {
expect(data).toMatchSnapshot('onArtifactOpen');
}),
onArtifactClose: vi.fn<ArtifactCallback>((data) => {
expect(data).toMatchSnapshot('onArtifactClose');
}),
onActionOpen: vi.fn<ActionCallback>((data) => {
expect(data).toMatchSnapshot('onActionOpen');
}),
onActionClose: vi.fn<ActionCallback>((data) => {
expect(data).toMatchSnapshot('onActionClose');
}),
};
const parser = new StreamingMessageParser({
artifactElement: () => '',
callbacks,
});
const fullMessage = Array.isArray(input) ? input.join('') : input;
const result = parser.parse(makePartId('message_1', 0), fullMessage);
for (const name in expected.callbacks) {
const callbackName = name;
expect(callbacks[callbackName as keyof typeof callbacks]).toHaveBeenCalledTimes(
expected.callbacks[callbackName as keyof typeof expected.callbacks] ?? 0,
);
}
expect(result).toEqual(expected.output);
}