ferret/e2e/tests/dynamic/doc/iframes/element_exists.fql

LET url = @dynamic + "?redirect=/iframe"
LET page = DOCUMENT(url, { driver: 'cdp' })

LET frames = (
    FOR f IN page.frames
        FILTER f.name == "nested"
        LIMIT 1
        RETURN f
)

LET doc = FIRST(frames)

LET expectedP = TRUE
LET actualP = ELEMENT_EXISTS(doc, '.text-center')

LET expectedN = FALSE
LET actualN = ELEMENT_EXISTS(doc, '.foo-bar')

RETURN EXPECT(expectedP + expectedN, actualP + expectedN)