[Files] make some integration_tests MV3 friendly
In a service worker (instead of a background page), there is no global
'document' object and you also cannot create new Image elements.
Bug: b:326484903
Change-Id: I68b63e56e61dd7db9a6ed29688a7c62eb09e9e57
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6090734
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1395644}
diff --git a/ui/file_manager/integration_tests/file_manager/holding_space.ts b/ui/file_manager/integration_tests/file_manager/holding_space.ts
index 382b601..f3137506 100644
--- a/ui/file_manager/integration_tests/file_manager/holding_space.ts
+++ b/ui/file_manager/integration_tests/file_manager/holding_space.ts
@@ -69,10 +69,6 @@
// Open Files app on Downloads.
const appId = await remoteCall.setupAndWaitUntilReady(RootPath.DOWNLOADS);
- // Check: `document.body` should indicate that tablet mode is disabled.
- chrome.test.assertFalse(
- document.body.classList.contains('tablet-mode-enabled'));
-
// Async function which repeats until the element matching the specified
// `query` has a calculated display matching the specified `displayValue`.
async function waitForElementWithDisplay(
diff --git a/ui/file_manager/integration_tests/file_manager/quick_view.ts b/ui/file_manager/integration_tests/file_manager/quick_view.ts
index e5ea627..4f85d81 100644
--- a/ui/file_manager/integration_tests/file_manager/quick_view.ts
+++ b/ui/file_manager/integration_tests/file_manager/quick_view.ts
@@ -1661,27 +1661,21 @@
const mimeType = await getQuickViewMetadataBoxField(appId, 'Type');
chrome.test.assertEq('image/tiff', mimeType);
- // Get the fileSafeMedia element preview thumbnail image size.
+ // Get the fileSafeMedia element preview thumbnail image, as a data URL.
const element = await remoteCall.waitForElement(appId, filesSafeMedia);
- const image = new Image();
- let imageSize = '';
- image.onload = () => {
- imageSize = `${image.naturalWidth} x ${image.naturalHeight}`;
- };
+ const dataURL = JSON.parse(element.attributes['src']!).data as string;
- const sourceContent = JSON.parse(element.attributes['src']!);
-
- chrome.test.assertTrue(!!sourceContent.data);
- image.src = sourceContent.data as string;
-
- // Check: the preview thumbnail should have an orientated size.
- await repeatUntil(async () => {
- if (!image.complete || imageSize !== '120 x 160') {
- return pending(caller, 'Waiting for preview thumbnail size.');
- }
-
- return;
- });
+ // Check that the thumbnail image size is 120 x 160. In hexadecimal, this is
+ // 0x78 x 0xa0. We cannot say "new Image()" in a service worker, to decode
+ // the PNG-formatted image, so we look at the byte level for (0x78, 0xa0) as
+ // two big-endian uint32 values in the IHDR chunk of the PNG-formatted bytes.
+ // The "IHDR 120 x 160" bytes should be at byte offset 12: 8 bytes for the
+ // PNG magic header plus 4 bytes for the IHDR chunk length.
+ const prefix = 'data:image/png;base64,';
+ chrome.test.assertTrue(dataURL.startsWith(prefix));
+ const pngBytes = atob(dataURL.substring(prefix.length));
+ const ihdr120x160 = 'IHDR\x00\x00\x00\x78\x00\x00\x00\xa0';
+ chrome.test.assertEq(12, pngBytes.indexOf(ihdr120x160));
}
/**
