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graphview: implement tests infra

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- Implement test for graph creation, save and load.
- Change xml API
- Update public/private api
- Add a graphview clear API
This commit is contained in:
Stéphane Cerveau 2022-01-26 16:06:42 +01:00
parent 9cc40d2b7b
commit d19387f039
5 changed files with 282 additions and 116 deletions
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8
.gitlab-ci.yml
View file

@ -18,7 +18,7 @@ variables:
variables:
FDO_DISTRIBUTION_VERSION: "35"
# Update this to trigger a container rebuild
FDO_DISTRIBUTION_TAG: "2022-01-07.2"
FDO_DISTRIBUTION_TAG: "2022-01-27.2"
build-fedora-container:
extends:
@ -42,6 +42,8 @@ build-fedora-container:
python3-devel
python3-pip
python3-setuptools
util-linux
xorg-x11-server-Xvfb
FDO_DISTRIBUTION_EXEC: >-
pip3 install meson
@ -64,7 +66,9 @@ test-stable:
- meson build
- rustc --version
- cargo build --color=always --all-targets
- cargo test --color=always
- >
xvfb-run -a -s "-screen 0 1024x768x24"
cargo test --color=always
rustdoc:
extends:

2
Cargo.lock generated
View file

@ -481,6 +481,8 @@ name = "gst_pipeline_studio"
version = "0.1.0"
dependencies = [
"anyhow",
"futures-channel",
"futures-executor",
"gettext-rs",
"gstreamer",
"gtk4",

6
Cargo.toml
View file

@ -16,4 +16,8 @@ xml-rs = "0.8.4"
x11 = { version = "2.18", features = ["xlib"] }
serde = "1.0"
serde_any = "0.5"
simplelog = "0.11.2"
simplelog = "0.11.2"
futures-channel = "0.3"
[dev-dependencies]
futures-executor = "0.3"

245
src/graphmanager/graphview.rs
View file

@ -33,8 +33,7 @@ use super::{
};
use once_cell::sync::Lazy;
use std::fs::File;
use std::io::BufReader;
use std::io::Cursor;
use gtk::{
gdk::{BUTTON_PRIMARY, BUTTON_SECONDARY},
@ -494,11 +493,52 @@ impl GraphView {
private.id.set(id)
}
/// Retrives the graphview id
///
pub fn id(&self) -> u32 {
let private = imp::GraphView::from_instance(self);
private.id.get()
}
/// Clear the graphview
///
pub fn clear(&self) {
self.remove_all_nodes();
}
// Node
/// Create a new node with a new id
///
pub fn create_node(&self, name: &str, node_type: NodeType) -> Node {
let id = self.next_node_id();
self.create_node_with_id(id, name, node_type)
}
/// Create a new node and add it to the graphview with input/output port number.
///
pub fn create_node_with_port(
&self,
name: &str,
node_type: NodeType,
input: u32,
output: u32,
) -> Node {
let mut node = self.create_node(name, node_type);
let _i = 0;
for _i in 0..input {
let port = self.create_port("in", PortDirection::Input, PortPresence::Always);
self.add_port_to_node(&mut node, port);
}
let _i = 0;
for _i in 0..output {
let port = self.create_port("out", PortDirection::Output, PortPresence::Always);
self.add_port_to_node(&mut node, port);
}
node
}
/// Add node to the graphview without port
///
pub fn add_node(&self, node: Node) {
@ -541,40 +581,6 @@ impl GraphView {
self.emit_by_name::<()>("node-added", &[&private.id.get(), &node_id]);
self.graph_updated();
}
/// Create a new node with id
///
pub fn create_node_with_id(&self, id: u32, name: &str, node_type: NodeType) -> Node {
Node::new(id, name, node_type)
}
/// Create a new node with a new id
///
pub fn create_node(&self, name: &str, node_type: NodeType) -> Node {
let id = self.next_node_id();
self.create_node_with_id(id, name, node_type)
}
/// Create a new node and add it to the graphview with input/output port number.
///
pub fn create_node_with_port(
&self,
name: &str,
node_type: NodeType,
input: u32,
output: u32,
) -> Node {
let mut node = self.create_node(name, node_type);
let _i = 0;
for _i in 0..input {
let port = self.create_port("in", PortDirection::Input, PortPresence::Always);
self.add_port_to_node(&mut node, port);
}
let _i = 0;
for _i in 0..output {
let port = self.create_port("out", PortDirection::Output, PortPresence::Always);
self.add_port_to_node(&mut node, port);
}
node
}
/// Remove node from the graphview
///
@ -644,19 +650,28 @@ impl GraphView {
None
}
/// Get the position of the specified node inside the graphview.
///
/// Returns `None` if the node is not in the graphview.
pub(super) fn node_position(&self, node: &gtk::Widget) -> Option<(f32, f32)> {
let layout_manager = self
.layout_manager()
.expect("Failed to get layout manager")
.dynamic_cast::<gtk::FixedLayout>()
.expect("Failed to cast to FixedLayout");
let node = layout_manager
.layout_child(node)
.dynamic_cast::<gtk::FixedLayoutChild>()
.expect("Could not cast to FixedLayoutChild");
let transform = node
.transform()
.expect("Failed to obtain transform from layout child");
Some(transform.to_translate())
}
// Port
/// Create a new port with id
///
pub fn create_port_with_id(
&self,
id: u32,
name: &str,
direction: PortDirection,
presence: PortPresence,
) -> Port {
Port::new(id, name, direction, presence)
}
/// Create a new port with a new id
///
pub fn create_port(
@ -721,26 +736,7 @@ impl GraphView {
}
// Link
/// Create a new link with id
pub fn create_link_with_id(
&self,
link_id: u32,
node_from_id: u32,
node_to_id: u32,
port_from_id: u32,
port_to_id: u32,
active: bool,
) -> Link {
Link::new(
link_id,
node_from_id,
node_to_id,
port_from_id,
port_to_id,
active,
false,
)
}
/// Create a new link with a new id
///
pub fn create_link(
@ -760,6 +756,7 @@ impl GraphView {
active,
)
}
/// Add a link to the graphView
///
pub fn add_link(&self, link: Link) {
@ -782,44 +779,18 @@ impl GraphView {
}
}
/// Get the position of the specified node inside the graphview.
/// Select all nodes according to the NodeType
///
/// Returns `None` if the node is not in the graphview.
pub(super) fn node_position(&self, node: &gtk::Widget) -> Option<(f32, f32)> {
let layout_manager = self
.layout_manager()
.expect("Failed to get layout manager")
.dynamic_cast::<gtk::FixedLayout>()
.expect("Failed to cast to FixedLayout");
let node = layout_manager
.layout_child(node)
.dynamic_cast::<gtk::FixedLayoutChild>()
.expect("Could not cast to FixedLayoutChild");
let transform = node
.transform()
.expect("Failed to obtain transform from layout child");
Some(transform.to_translate())
}
/// Retrieves the next node unique id.
///
pub fn next_node_id(&self) -> u32 {
/// Returns a vector of links
pub fn all_links(&self, link_state: bool) -> Vec<Link> {
let private = imp::GraphView::from_instance(self);
private
.current_node_id
.set(private.current_node_id.get() + 1);
private.current_node_id.get()
}
/// Retrieves the next port unique id.
///
pub fn next_port_id(&self) -> u32 {
let private = imp::GraphView::from_instance(self);
private
.current_port_id
.set(private.current_port_id.get() + 1);
private.current_port_id.get()
let links = private.links.borrow();
let links_list: Vec<_> = links
.iter()
.filter(|(_, link)| link.active == link_state)
.map(|(_, node)| node.clone())
.collect();
links_list
}
/// Retrieves the node/port id connected to the input port id
@ -860,14 +831,15 @@ impl GraphView {
self.graph_updated();
}
/// Render the graph in a file with XML format
/// Render the graph with XML format in a buffer
///
pub fn render_xml(&self, filename: &str) -> anyhow::Result<()> {
pub fn render_xml(&self) -> anyhow::Result<Vec<u8>> {
let private = imp::GraphView::from_instance(self);
let mut file = File::create(filename).unwrap();
let mut buffer = Vec::new();
let mut writer = EmitterConfig::new()
.perform_indent(true)
.create_writer(&mut file);
.create_writer(&mut buffer);
writer
.write(XMLWEvent::start_element("Graph").attr("id", &private.id.get().to_string()))?;
@ -926,15 +898,14 @@ impl GraphView {
writer.write(XMLWEvent::end_element())?;
}
writer.write(XMLWEvent::end_element())?;
Ok(())
Ok(buffer)
}
/// Load the graph from a file with XML format
///
pub fn load_xml(&self, filename: &str) -> anyhow::Result<()> {
let file = File::open(filename)?;
let file = BufReader::new(file);
pub fn load_from_xml(&self, buffer: Vec<u8>) -> anyhow::Result<()> {
self.clear();
let file = Cursor::new(buffer);
let parser = EventReader::new(file);
let mut current_node: Option<Node> = None;
@ -1113,6 +1084,40 @@ impl GraphView {
//Private
fn create_node_with_id(&self, id: u32, name: &str, node_type: NodeType) -> Node {
Node::new(id, name, node_type)
}
fn create_port_with_id(
&self,
id: u32,
name: &str,
direction: PortDirection,
presence: PortPresence,
) -> Port {
Port::new(id, name, direction, presence)
}
fn create_link_with_id(
&self,
link_id: u32,
node_from_id: u32,
node_to_id: u32,
port_from_id: u32,
port_to_id: u32,
active: bool,
) -> Link {
Link::new(
link_id,
node_from_id,
node_to_id,
port_from_id,
port_to_id,
active,
false,
)
}
fn remove_link(&self, id: u32) {
let private = imp::GraphView::from_instance(self);
let mut links = private.links.borrow_mut();
@ -1226,6 +1231,22 @@ impl GraphView {
self.emit_by_name::<()>("graph-updated", &[&private.id.get()]);
}
fn next_node_id(&self) -> u32 {
let private = imp::GraphView::from_instance(self);
private
.current_node_id
.set(private.current_node_id.get() + 1);
private.current_node_id.get()
}
fn next_port_id(&self) -> u32 {
let private = imp::GraphView::from_instance(self);
private
.current_port_id
.set(private.current_port_id.get() + 1);
private.current_port_id.get()
}
fn next_link_id(&self) -> u32 {
let private = imp::GraphView::from_instance(self);
private

137
src/graphmanager/mod.rs
View file

@ -4,7 +4,6 @@ mod node;
mod port;
mod property;
mod selection;
mod tests;
pub use graphview::GraphView;
pub use link::Link;
@ -14,3 +13,139 @@ pub use port::Port;
pub use port::{PortDirection, PortPresence};
pub use property::PropertyExt;
pub use selection::SelectionExt;
#[cfg(test)]
fn test_synced<F, R>(function: F) -> R
where
F: FnOnce() -> R + Send + std::panic::UnwindSafe + 'static,
R: Send + 'static,
{
/// No-op.
macro_rules! skip_assert_initialized {
() => {};
}
skip_assert_initialized!();
use futures_channel::oneshot;
use std::panic;
let (tx, rx) = oneshot::channel();
TEST_THREAD_WORKER
.push(move || {
tx.send(panic::catch_unwind(function))
.unwrap_or_else(|_| panic!("Failed to return result from thread pool"));
})
.expect("Failed to schedule a test call");
futures_executor::block_on(rx)
.expect("Failed to receive result from thread pool")
.unwrap_or_else(|e| std::panic::resume_unwind(e))
}
#[cfg(test)]
static TEST_THREAD_WORKER: once_cell::sync::Lazy<gtk::glib::ThreadPool> =
once_cell::sync::Lazy::new(|| {
let pool = gtk::glib::ThreadPool::exclusive(1).unwrap();
pool.push(move || {
gtk::init().expect("Tests failed to initialize gtk");
})
.expect("Failed to schedule a test call");
pool
});
#[cfg(test)]
mod test {
use super::*;
#[test]
fn graphview_creation() {
test_synced(|| {
let graphview = GraphView::new();
assert_eq!(graphview.id(), 0);
});
}
#[test]
fn graphview_lifetime() {
test_synced(|| {
let graphview = GraphView::new();
assert_eq!(graphview.id(), 0);
let node = graphview.create_node("my_node1", NodeType::Source);
node.add_property("np1", "nv1");
graphview.add_node(node);
//create a port input on node 1
let port = graphview.create_port("out", PortDirection::Output, PortPresence::Always);
assert_eq!(port.name(), "out");
assert_eq!(port.id(), 1);
let mut node: Node = graphview.node(1).unwrap();
graphview.add_port_to_node(&mut node, port);
let node = graphview.create_node_with_port("my_node2", NodeType::Transform, 1, 1);
node.add_property("np2", "nv2");
graphview.add_node(node);
let node = graphview.create_node("my_node3", NodeType::Sink);
node.add_property("np3", "nv3");
graphview.add_node(node);
//create a port input on node 3
let port = graphview.create_port("in", PortDirection::Input, PortPresence::Always);
port.add_property("p1", "v1");
assert_eq!(port.name(), "in");
assert_eq!(port.id(), 4);
let mut node: Node = graphview.node(3).unwrap();
graphview.add_port_to_node(&mut node, port);
assert_eq!(graphview.all_nodes(NodeType::Source).len(), 1);
assert_eq!(graphview.all_nodes(NodeType::Transform).len(), 1);
assert_eq!(graphview.all_nodes(NodeType::Sink).len(), 1);
assert_eq!(graphview.all_nodes(NodeType::All).len(), 3);
assert_eq!(graphview.node(1).unwrap().name(), "my_node1");
assert_eq!(graphview.node(2).unwrap().name(), "my_node2");
assert_eq!(graphview.node(3).unwrap().name(), "my_node3");
// Ports have been created by create_node_with_port
//Create link between node1 and node 2
let link = graphview.create_link(1, 2, 1, 2, true);
graphview.add_link(link);
//Create link between node2 and node 3
let link = graphview.create_link(2, 3, 3, 4, true);
graphview.add_link(link);
// Save the graphview in XML into a buffer
let buffer = graphview
.render_xml()
.expect("Should be able to render graph to xml");
println!("{}", std::str::from_utf8(&buffer).unwrap());
// Load the graphview from XML buffer
graphview
.load_from_xml(buffer)
.expect("Should be able to load from XML data");
// Check that nodes and links are present
assert_eq!(graphview.all_nodes(NodeType::All).len(), 3);
assert_eq!(graphview.all_links(true).len(), 2);
// Check all nodes are linked
assert!(graphview.node_is_linked(1).is_some());
assert!(graphview.node_is_linked(2).is_some());
assert!(graphview.node_is_linked(3).is_some());
// Check all ports are linked
assert!(graphview.port_connected_to(1).is_some());
assert!(graphview.port_connected_to(3).is_some());
// Check properties
let node = graphview.node(1).expect("Should be able to get node 1");
assert_eq!(&node.property("np1").unwrap(), "nv1");
let node = graphview.node(2).expect("Should be able to get node 1");
assert_eq!(&node.property("np2").unwrap(), "nv2");
let node = graphview.node(3).expect("Should be able to get node 1");
assert_eq!(&node.property("np3").unwrap(), "nv3");
// Clear the graph and check that everything has been destroyed properly
graphview.clear();
assert_eq!(graphview.all_nodes(NodeType::All).len(), 0);
assert_eq!(graphview.all_links(true).len(), 0);
});
}
}