Tests: Add support for running unit tests via grunt with karma

- Update QUnit to 1.23.1
- Remove unused dl#dl from test/index.html
- Remove unused map#imgmap from test/index.html
- Ensure all urls to data use baseURI
- Add the 'grunt karma:main' task
  - customContextFile & customDebugFile
- Add 'npm run jenkins' script

Close gh-3744
Fixes gh-1999

1 files changed, 22 insertions, 0 deletions

diff --git a/build/tasks/qunit_fixture.js b/build/tasks/qunit_fixture.js
new file mode 100644
index 000000000..ebf0b220c
--- /dev/null
+++ b/build/tasks/qunit_fixture.js
@@ -0,0 +1,22 @@
+var fs = require( "fs" );
+
+module.exports = function( grunt ) {
+	grunt.registerTask( "qunit_fixture", function() {
+		var dest = "./test/data/qunit-fixture.js";
+		fs.writeFileSync(
+			dest,
+			"// Generated by build/tasks/qunit_fixture.js\n" +
+			"QUnit.config.fixture = " +
+			JSON.stringify(
+				fs.readFileSync(
+					"./test/data/qunit-fixture.html",
+					"utf8"
+				).toString()
+			) +
+			";\n" +
+			"// Compat with QUnit 1.x:\n" +
+			"document.getElementById( \"qunit-fixture\" ).innerHTML = QUnit.config.fixture;\n"
+		);
+		grunt.log.ok( "Updated " + dest + "." );
+	} );
+};