X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/0fab1ce0739811ff8bc02488d32aa2ad184c7b1e..d8f669aadc5f3d7241395abd6aa764406079d7d3:/cypress/support/commands.js

diff --git a/cypress/support/commands.js b/cypress/support/commands.js
index 069ed96d..07290e55 100644
--- a/cypress/support/commands.js
+++ b/cypress/support/commands.js
@@ -280,4 +280,42 @@ Cypress.Commands.add('createProject', ({
             cy.addToFavorites(user.token, user.user.uuid, project.uuid);
         }
     });
-});
\ No newline at end of file
+});
+
+Cypress.Commands.add(
+    'upload',
+    {
+        prevSubject: 'element',
+    },
+    (subject, file, fileName) => {
+        cy.window().then(window => {
+            const blob = b64toBlob(file, '', 512);
+            const testFile = new window.File([blob], fileName);
+
+            cy.wrap(subject).trigger('drop', {
+                dataTransfer: { files: [testFile] },
+            });
+        })
+    }
+)
+
+function b64toBlob(b64Data, contentType = '', sliceSize = 512) {
+    const byteCharacters = atob(b64Data)
+    const byteArrays = []
+
+    for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) {
+        const slice = byteCharacters.slice(offset, offset + sliceSize);
+
+        const byteNumbers = new Array(slice.length);
+        for (let i = 0; i < slice.length; i++) {
+            byteNumbers[i] = slice.charCodeAt(i);
+        }
+
+        const byteArray = new Uint8Array(byteNumbers);
+
+        byteArrays.push(byteArray);
+    }
+
+    const blob = new Blob(byteArrays, { type: contentType });
+    return blob
+}
\ No newline at end of file