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|
// IMPORTS ---------------------------------------------------------------------
import apps/counter
import apps/static
import birdie
import gleam/erlang/process
import gleam/function
import gleam/json
import gleeunit
import lustre
import lustre/element
import lustre/internals/patch
import lustre/internals/runtime.{Debug, Dispatch, Shutdown, View}
// MAIN ------------------------------------------------------------------------
pub fn main() {
gleeunit.main()
}
// TESTS -----------------------------------------------------------------------
pub fn static_test() {
let title = "Can render static HTML"
let el = static.view()
birdie.snap(element.to_string(el), title)
}
pub fn counter_init_test() {
let title = "Can render an application's initial state."
let app = lustre.simple(counter.init, counter.update, counter.view)
let assert Ok(runtime) = lustre.start_actor(app, 0)
let el =
process.call(
runtime,
function.curry2(process.send)
|> function.compose(View)
|> function.compose(Debug),
100,
)
birdie.snap(element.to_string(el), title)
process.send(runtime, Shutdown)
}
pub fn counter_update_test() {
let title = "Can render an application's state after some updates."
let app = lustre.simple(counter.init, counter.update, counter.view)
let assert Ok(runtime) = lustre.start_actor(app, 0)
process.send(runtime, Dispatch(counter.Increment))
process.send(runtime, Dispatch(counter.Increment))
process.send(runtime, Dispatch(counter.Increment))
let el =
process.call(
runtime,
function.curry2(process.send)
|> function.compose(View)
|> function.compose(Debug),
100,
)
birdie.snap(element.to_string(el), title)
process.send(runtime, Shutdown)
}
pub fn counter_diff_test() {
let title = "Can compute a diff from one render to the next"
let app = lustre.simple(counter.init, counter.update, counter.view)
let assert Ok(runtime) = lustre.start_actor(app, 0)
let prev =
process.call(
runtime,
function.curry2(process.send)
|> function.compose(View)
|> function.compose(Debug),
100,
)
process.send(runtime, Dispatch(counter.Increment))
process.send(runtime, Dispatch(counter.Increment))
process.send(runtime, Dispatch(counter.Increment))
let next =
process.call(
runtime,
function.curry2(process.send)
|> function.compose(View)
|> function.compose(Debug),
100,
)
let diff = patch.elements(prev, next)
birdie.snap(json.to_string(patch.element_diff_to_json(diff)), title)
process.send(runtime, Shutdown)
}
|
