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phoenix_live_view
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Rich, real-time user experiences with server-rendered HTML
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lib/phoenix_live_view/test/view.ex
defmodule Phoenix.LiveViewTest.View do
@moduledoc false
alias Phoenix.LiveViewTest.View
defstruct session_token: nil,
static_token: nil,
module: nil,
mount_path: nil,
router: nil,
endpoint: nil,
pid: :static,
proxy: nil,
topic: nil,
ref: nil,
rendered: nil,
children: %{},
child_statics: %{},
id: nil,
connect_params: %{}
def build(attrs) do
topic = "phx-" <> Base.encode64(:crypto.strong_rand_bytes(8))
attrs_with_defaults =
attrs
|> Keyword.merge(topic: topic)
|> Keyword.put_new_lazy(:ref, fn -> make_ref() end)
struct(__MODULE__, attrs_with_defaults)
end
def build_child(%View{ref: ref, proxy: proxy} = parent, attrs) do
attrs
|> Keyword.merge(
ref: ref,
proxy: proxy,
router: parent.router,
endpoint: parent.endpoint,
mount_path: parent.mount_path
)
|> build()
end
def put_child(%View{} = parent, session, id) do
%View{parent | children: Map.put(parent.children, session, id)}
end
def fetch_child_session_by_id(%View{} = parent, id) do
Enum.find_value(parent.children, fn
{session, ^id} -> {:ok, session}
{_session, _id} -> nil
end) || :error
end
def drop_child(%View{} = parent, session) do
%View{parent | children: Map.delete(parent.children, session)}
end
def prune_children(%View{} = parent) do
%View{parent | children: %{}}
end
def removed_children(%View{} = parent, children_before) do
children_before
|> Enum.filter(fn {session, _id} -> !Map.has_key?(parent.children, session) end)
|> Enum.into(%{})
end
def connected?(%View{pid: pid}) when is_pid(pid), do: true
def connected?(%View{pid: :static}), do: false
end