waveterm/xterm.js
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first unit tests

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This commit is contained in:
Jörg Breitbart
2023-07-27 11:25:57 +02:00
parent 4bd3e1d0c2
commit a5df5e7333
2 changed files with 106 additions and 2 deletions
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src/browser/renderer/dom/DomRenderer.ts
+1 -1
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@@ -25,7 +25,7 @@ const SELECTION_CLASS = 'xterm-selection';
let nextTerminalId = 1;
// font metrics calc settings
const enum FontMetrics {
export const enum FontMetrics {
START = 32, // start codepoint
MAX = 256, // only calc up to this codepoint (256 means only Basic Latin + Latin-1 Supplement)
BATCH_SIZE = 30, // amount of codepoints to calc in a single batch (sync & blocking)
src/browser/renderer/dom/DomRendererRowFactory.test.ts
+105 -1
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@@ -13,8 +13,9 @@ import { CellData } from 'common/buffer/CellData';
import { MockCoreService, MockDecorationService, MockOptionsService } from 'common/TestUtils.test';
import { css } from 'common/Color';
import { MockCharacterJoinerService, MockCoreBrowserService, MockThemeService } from 'browser/TestUtils.test';
import { FontMetrics } from 'browser/renderer/dom/DomRenderer';
const EMPTY_METRICS = new Uint8Array(1024);
const EMPTY_METRICS = new Uint8Array(FontMetrics.MAX);
EMPTY_METRICS.fill(0xFF);
const EMPTY_LINKSTATE = new Uint8Array(3);
@@ -298,6 +299,109 @@ describe('DomRendererRowFactory', () => {
});
});
describe.only('createRow with merged spans', () => {
// for test purpose assume all in codepoints 0..255 are merging
const ALL_MERGING = new Uint8Array(FontMetrics.MAX);
beforeEach(() => {
lineData = createEmptyLineData(10);
});
it('should not create anything for an empty row', () => {
const fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
''
);
});
it('can merge codepoints in FontMetrics range', () => {
lineData.setCell(0, CellData.fromCharData([DEFAULT_ATTR, 'a', 1, 'a'.charCodeAt(0)]));
lineData.setCell(1, CellData.fromCharData([DEFAULT_ATTR, 'b', 1, 'b'.charCodeAt(0)]));
lineData.setCell(2, CellData.fromCharData([DEFAULT_ATTR, 'c', 1, 'c'.charCodeAt(0)]));
const fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span style="width: auto;">abc</span>'
);
});
it('should not merge codepoints outside of FontMetrics range', () => {
lineData.setCell(0, CellData.fromCharData([DEFAULT_ATTR, 'a', 1, 'a'.charCodeAt(0)]));
lineData.setCell(1, CellData.fromCharData([DEFAULT_ATTR, '€', 1, '€'.charCodeAt(0)]));
lineData.setCell(2, CellData.fromCharData([DEFAULT_ATTR, 'c', 1, 'c'.charCodeAt(0)]));
const fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span>a</span><span>€</span><span>c</span>'
);
});
it('should not merge on FG change', () => {
const a_color1 = CellData.fromCharData([DEFAULT_ATTR, 'a', 1, 'a'.charCodeAt(0)]);
a_color1.fg |= Attributes.CM_P16 | 1;
const b_color2 = CellData.fromCharData([DEFAULT_ATTR, 'b', 1, 'b'.charCodeAt(0)]);
b_color2.fg |= Attributes.CM_P16 | 2;
lineData.setCell(0, a_color1);
lineData.setCell(1, a_color1);
lineData.setCell(2, b_color2);
lineData.setCell(3, b_color2);
const fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-fg-1" style="width: 10px;">aa</span><span class="xterm-fg-2" style="width: auto;">bb</span>'
);
});
it('should not merge cursor cell', () => {
lineData.setCell(0, CellData.fromCharData([DEFAULT_ATTR, 'a', 1, 'a'.charCodeAt(0)]));
lineData.setCell(1, CellData.fromCharData([DEFAULT_ATTR, 'a', 1, 'a'.charCodeAt(0)]));
lineData.setCell(2, CellData.fromCharData([DEFAULT_ATTR, 'X', 1, 'X'.charCodeAt(0)]));
lineData.setCell(3, CellData.fromCharData([DEFAULT_ATTR, 'b', 1, 'b'.charCodeAt(0)]));
lineData.setCell(4, CellData.fromCharData([DEFAULT_ATTR, 'b', 1, 'b'.charCodeAt(0)]));
const fragment = rowFactory.createRow(lineData, 0, true, undefined, 2, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span style="width: 10px;">aa</span><span class="xterm-cursor xterm-cursor-block">X</span><span style="width: auto;">bb</span>'
);
});
it('should handle BCE correctly', () => {
const nullCell = lineData.loadCell(0, new CellData());
nullCell.bg = Attributes.CM_P16 | 1;
lineData.setCell(2, nullCell);
nullCell.bg = Attributes.CM_P16 | 2;
lineData.setCell(3, nullCell);
lineData.setCell(4, nullCell);
const fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span style="width: 10px;"> </span><span class="xterm-bg-1"> </span><span class="xterm-bg-2" style="width: 10px;"> </span>'
);
});
it('should contain px value in BCE for multiple cells', () => {
const nullCell = lineData.loadCell(0, new CellData());
nullCell.bg = Attributes.CM_P16 | 1;
lineData.setCell(0, nullCell);
let fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-bg-1"> </span>'
);
lineData.setCell(1, nullCell);
fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-bg-1" style="width: 10px;"> </span>'
);
lineData.setCell(2, nullCell);
lineData.setCell(3, nullCell);
fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-bg-1" style="width: 20px;"> </span>'
);
lineData.setCell(4, CellData.fromCharData([DEFAULT_ATTR, 'a', 1, 'a'.charCodeAt(0)]));
fragment = rowFactory.createRow(lineData, 0, false, undefined, 0, false, 5, ALL_MERGING, EMPTY_LINKSTATE);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-bg-1" style="width: 20px;"> </span><span>a</span>'
);
});
});
function getFragmentHtml(fragment: DocumentFragment): string {
const element = dom.window.document.createElement('div');
element.appendChild(fragment);