Files
archlens/crates/application/tests/diff_diagram_tests.rs

45 lines
1.1 KiB
Rust

mod fakes;
use archlens_domain::{CodeGraph, NormalizedGraph, ports::DiagramRenderer};
use archlens_application::use_cases::diff_diagram::DiffDiagram;
use fakes::FakeDiagramRenderer;
fn empty_graph() -> NormalizedGraph {
NormalizedGraph::from_project(CodeGraph::new())
}
#[test]
fn no_diff_when_content_matches() {
let graph = empty_graph();
let renderer = FakeDiagramRenderer::new();
let rendered = renderer.render(graph.as_graph()).unwrap();
let existing = rendered.files().first().unwrap().content().to_string();
let result = DiffDiagram {
graph: &graph,
renderer: &renderer,
existing_content: &existing,
}
.execute()
.unwrap();
assert!(result.is_empty());
}
#[test]
fn detects_added_lines() {
let graph = empty_graph();
let renderer = FakeDiagramRenderer::new();
let result = DiffDiagram {
graph: &graph,
renderer: &renderer,
existing_content: "old line that will be removed",
}
.execute()
.unwrap();
assert!(!result.added.is_empty());
assert!(!result.removed.is_empty());
}