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Geb Modules and isDisplayed()
A question recently came up on the Geb user mailing list about checking to see if a module is displayed on a page. It turns out the concept of displayed could do with some exploration.
Say we have the following html…
<p class="a" style="display:none"/>
<p class="b"/>
The following assertions will pass…
def a = $("p.a")
def b = $("p.b")
def c = $("p.c")
assert a && !a.displayed
assert b && b.displayed
assert !c && !c.displayed
So isDisplayed() means that the navigator matches some content and the first thing that it has matched is actually visible on the page. $("p.c").displayed returns false because it doesn’t match anything.
Navigator objects implement the Groovy Truth, so those assertions could be written as…
assert a.size() != 0 && !a.displayed
Modules also implement the Groovy Truth using the same test, so…
class ParagraphA extends Module {
static base = { $("p.a") }
}
class ParagraphB extends Module {
static base = { $("p.b") }
}
class ParagraphB extends Module {
static base = { $("p.c") }
}
Now assume we have moduleA, moduleB and moduleC vars that are instances of the corresponding modules, and we can write the following assertions…
assert moduleA && !moduleA.$().displayed
assert moduleB && moduleB.$().displayed
assert !moduleC && !moduleC.$().displayed
You can get the “base” of a module at anytime with «module».$(), just like you can do relative lookups (i.e. someModule.$(“p.d”))
Posted: Jun 16th, 2011 @ 9:56 am
