tree: Add tests for parent-position and direction (#445)

Adds the missing tests for #444.

.github/workflows/ci.yml

@@ -13,11 +13,11 @@ jobs:
           packages: imagemagick cargo parallel
           version: 1.0
       - name: Install typos-cli from crates.io
-        uses: baptiste0928/cargo-install@v2
+        uses: baptiste0928/cargo-install@v2.2.0
         with:
           crate: typos-cli
       - name: Install just from crates.io
-        uses: baptiste0928/cargo-install@v2
+        uses: baptiste0928/cargo-install@v2.2.0
         with:
           crate: just
       - uses: yusancky/setup-typst@v2

tests/tree/test.typ

@@ -1,11 +1,12 @@
 #set page(width: auto, height: auto)
-#import "../../src/lib.typ": *
+#import "/src/lib.typ": *
+#import "/tests/helper.typ": *
 
 #let data = (
   [A], ([B], [C], [D]), ([E], [F])
 )
 
-#box(stroke: 2pt + red, canvas({
+#test-case({
   import draw: *
   import tree: *
 
@@ -26,4 +27,20 @@
   // Draw a "custom" connection between two nodes
   let (a, b) = ("tree.0-0-1", "tree.0-1-0",)
   line((a: a, number: .6, abs: true, b: b), (a: b, number: .6, abs: true, b: a), mark: (end: ">", start: ">"))
-}))
+})
+
+#for position in ("begin", "center", "end") {
+  test-case({
+    cetz.draw.set-style(content: (frame: "rect", padding: .1))
+    cetz.tree.tree(data, parent-position: position)
+  })
+  h(.1cm)
+}
+
+#for direction in ("down", "up", "left", "right") {
+  test-case({
+    cetz.draw.set-style(content: (frame: "rect", padding: .1))
+    cetz.tree.tree(data, direction: direction)
+  })
+  h(.1cm)
+}