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fix flaky tests

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This commit is contained in:
Jörg Breitbart
2024-10-04 17:12:00 +02:00
parent d3298935b7
commit 8faf097e83
1 changed files with 26 additions and 9 deletions
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addons/addon-image/test/ImageAddon.test.ts
+26 -9
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@@ -6,7 +6,7 @@
import test from '@playwright/test';
import { readFileSync } from 'fs';
import { FINALIZER, introducer, sixelEncode } from 'sixel';
import { ITestContext, createTestContext, openTerminal, pollFor } from '../../../test/playwright/TestUtils';
import { ITestContext, createTestContext, openTerminal, pollFor, timeout } from '../../../test/playwright/TestUtils';
import { deepStrictEqual, ok, strictEqual } from 'assert';
/**
@@ -163,28 +163,35 @@ test.describe('ImageAddon', () => {
test('testdata default (scrolling with VT240 cursor pos)', async () => {
const dim = await getDimensions();
await ctx.proxy.write(SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [0, Math.floor(TESTDATA.height/dim.cellHeight)]);
// moved to right by 10 cells
await ctx.proxy.write('#'.repeat(10) + SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [10, Math.floor(TESTDATA.height/dim.cellHeight) * 2]);
});
test('write testdata noScrolling', async () => {
await ctx.proxy.write('\x1b[?80h' + SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [0, 0]);
// second draw does not change anything
await ctx.proxy.write(SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [0, 0]);
});
test('testdata cursor always at VT240 pos', async () => {
const dim = await getDimensions();
// offset 0
await ctx.proxy.write(SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [0, Math.floor(TESTDATA.height/dim.cellHeight)]);
// moved to right by 10 cells
await ctx.proxy.write('#'.repeat(10) + SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [10, Math.floor(TESTDATA.height/dim.cellHeight) * 2]);
// moved by 30 cells (+10 prev)
await ctx.proxy.write('#'.repeat(30) + SIXEL_SEQ_0);
await timeout(50);
deepStrictEqual(await getCursor(), [10 + 30, Math.floor(TESTDATA.height/dim.cellHeight) * 3]);
});
});
@@ -192,6 +199,7 @@ test.describe('ImageAddon', () => {
test.describe('image lifecycle & eviction', () => {
test('delete image once scrolled off', async () => {
await ctx.proxy.write(SIXEL_SEQ_0);
await timeout(50);
pollFor(ctx.page, 'window.imageAddon._storage._images.size', 1);
// scroll to scrollback + rows - 1
await ctx.page.evaluate(
@@ -199,7 +207,7 @@ test.describe('ImageAddon', () => {
(await getScrollbackPlusRows() - 1)
);
// wait here, as we have to make sure, that eviction did not yet occur
await new Promise(r => setTimeout(r, 100));
await timeout(100);
pollFor(ctx.page, 'window.imageAddon._storage._images.size', 1);
// scroll one further should delete the image
await ctx.page.evaluate(() => new Promise(res => (window as any).term.write('\n', res)));
@@ -208,6 +216,7 @@ test.describe('ImageAddon', () => {
test('get storageUsage', async () => {
strictEqual(await ctx.page.evaluate('window.imageAddon.storageUsage'), 0);
await ctx.proxy.write(SIXEL_SEQ_0);
await timeout(50);
ok(Math.abs((await ctx.page.evaluate<number>('window.imageAddon.storageUsage')) - 640 * 80 * 4 / 1000000) < 0.05);
});
test('get/set storageLimit', async () => {
@@ -222,18 +231,19 @@ test.describe('ImageAddon', () => {
await ctx.proxy.write(SIXEL_SEQ_0);
await ctx.proxy.write(SIXEL_SEQ_0);
await ctx.proxy.write(SIXEL_SEQ_0);
await new Promise(r => setTimeout(r, 50));
await timeout(100);
const usage = await ctx.page.evaluate('window.imageAddon.storageUsage');
await ctx.proxy.write(SIXEL_SEQ_0);
await ctx.proxy.write(SIXEL_SEQ_0);
await ctx.proxy.write(SIXEL_SEQ_0);
await ctx.proxy.write(SIXEL_SEQ_0);
await new Promise(r => setTimeout(r, 50));
await timeout(100);
strictEqual(await ctx.page.evaluate('window.imageAddon.storageUsage'), usage);
strictEqual(usage as number < 1, true);
});
test('set storageLimit removes images synchronously', async () => {
await ctx.proxy.write(SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0);
await timeout(100);
const usage: number = await ctx.page.evaluate('window.imageAddon.storageUsage');
const newUsage: number = await ctx.page.evaluate('window.imageAddon.storageLimit = 0.5; window.imageAddon.storageUsage');
strictEqual(newUsage < usage, true);
@@ -242,30 +252,32 @@ test.describe('ImageAddon', () => {
test('clear alternate images on buffer change', async () => {
strictEqual(await ctx.page.evaluate('window.imageAddon.storageUsage'), 0);
await ctx.proxy.write('\x1b[?1049h' + SIXEL_SEQ_0);
await timeout(50);
ok(Math.abs((await ctx.page.evaluate<number>('window.imageAddon.storageUsage')) - 640 * 80 * 4 / 1000000) < 0.05);
await ctx.proxy.write('\x1b[?1049l');
strictEqual(await ctx.page.evaluate('window.imageAddon.storageUsage'), 0);
});
test('evict tiles by in-place overwrites (only full overwrite tested)', async () => {
await new Promise(r => setTimeout(r, 50));
await timeout(50);
await ctx.proxy.write('\x1b[H' + SIXEL_SEQ_0 + '\x1b[100;100H');
await timeout(50);
let usage = await ctx.page.evaluate('window.imageAddon.storageUsage');
while (usage === 0) {
await new Promise(r => setTimeout(r, 50));
await timeout(50);
usage = await ctx.page.evaluate('window.imageAddon.storageUsage');
}
await ctx.proxy.write('\x1b[H' + SIXEL_SEQ_0 + '\x1b[100;100H');
await new Promise(r => setTimeout(r, 200)); // wait some time and re-check
await timeout(200); // wait some time and re-check
strictEqual(await ctx.page.evaluate('window.imageAddon.storageUsage'), usage);
});
test('manual eviction on alternate buffer must not miss images', async () => {
await ctx.proxy.write('\x1b[?1049h');
await ctx.proxy.write(SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0);
await new Promise(r => setTimeout(r, 50));
await timeout(100);
const usage: number = await ctx.page.evaluate('window.imageAddon.storageUsage');
await ctx.proxy.write(SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0);
await ctx.proxy.write(SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0 + SIXEL_SEQ_0);
await new Promise(r => setTimeout(r, 50));
await timeout(100);
const newUsage: number = await ctx.page.evaluate('window.imageAddon.storageUsage');
strictEqual(newUsage, usage);
});
@@ -274,22 +286,27 @@ test.describe('ImageAddon', () => {
test.describe('IIP support - testimages', () => {
test('palette.png', async () => {
await ctx.proxy.write(TESTDATA_IIP[0][0]);
await timeout(50);
deepStrictEqual(await getOrigSize(1), TESTDATA_IIP[0][1]);
});
test('spinfox.png', async () => {
await ctx.proxy.write(TESTDATA_IIP[1][0]);
await timeout(50);
deepStrictEqual(await getOrigSize(1), TESTDATA_IIP[1][1]);
});
test('w3c gif', async () => {
await ctx.proxy.write(TESTDATA_IIP[2][0]);
await timeout(50);
deepStrictEqual(await getOrigSize(1), TESTDATA_IIP[2][1]);
});
test('w3c jpeg', async () => {
await ctx.proxy.write(TESTDATA_IIP[3][0]);
await timeout(50);
deepStrictEqual(await getOrigSize(1), TESTDATA_IIP[3][1]);
});
test('w3c png', async () => {
await ctx.proxy.write(TESTDATA_IIP[4][0]);
await timeout(50);
deepStrictEqual(await getOrigSize(1), TESTDATA_IIP[4][1]);
});
});