test object - JSTalk Sketch

simple-test-object.jstalk

/**
 * Test object for simple asserts
 * test.assert( typeof 1 === 'number', '1 is a number' ); // add a test
 * test.print( 'text' ); // add some text
 * test.show(); // output all results
 */
var test = {
    heap: [],
    assert: function (value, desc) {
        var result = value ? "--- pass: " : "xxx fail: ";
        result += desc;
        this.heap.push(result);
    },
    print: function (desc) {
        this.heap.push(desc);
    },
    show: function () {
        var s = '';
        for(var t in this.heap) {
            s += this.heap[ t ] + "\n";
        }
        print(s);
    }
};

test-text-layer.jstalk

// Test some layer methods with the simple test object
// A text layer must be selected in Sketch
var layer = selection[0];

// feature detection
test.print( "\n" + '__feature detection:' );
test.assert( ('name' in layer), "text layer knows the 'name' method" );
test.assert( ('setName' in layer), "text layer knows the 'setName' method" );
test.assert( ('font' in layer), "text layer knows the 'font' method" );
test.assert( ('setFont' in layer), "text layer knows the 'setFont' method" );
test.assert( ('fontPostscriptName' in layer), "text layer knows the 'fontPostscriptName' method" );
test.assert( ('setFontPostscriptName' in layer), "text layer knows the 'setFontPostscriptName' method" );

test.show();