tests: Allow nested tests

Tests are now detected by looking for files named "test.typ", rather
than using each directory under "$TEST_ROOT".

scripts/test

@@ -18,7 +18,7 @@ while :; do
 done
 
 
-TYPST_VERSION="v0.6.0"
+TYPST_VERSION="v0.8.0"
 TYPST_BASE_URL="https://github.com/typst/typst/releases/download"
 TYPST_ARCHIVE="typst-x86_64-unknown-linux-musl.tar.xz"
 
@@ -117,7 +117,7 @@ function run_test()
   if (
     cd "$1"
     local NAME
-    NAME="$(basename "$1")"
+    NAME="$(realpath "$1" --relative-to "$TEST_ROOT")"
 
     echo "[TEST] ${NAME} ..."
 
@@ -152,7 +152,7 @@ if ! hash parallel 2>/dev/null; then
 fi
 
 function tests() {
-  find "$TEST_ROOT" -type d
+  find "$TEST_ROOT" -type f -name "test.typ" -exec dirname {} \;
 }
 if [[ "$MODE" == "test" ]]; then
   tests | parallel 'run_test {}'

tests/plot/parametric/test.typ

@@ -0,0 +1,50 @@
+#set page(width: auto, height: auto)
+#import "../../../src/lib.typ": *
+
+/* Simple plot */
+#box(stroke: 2pt + red, canvas({
+  import draw: *
+
+  plot.plot(size: (4, 4),
+    x-tick-step: 1,
+    y-tick-step: 1,
+  {
+    plot.add((t) => (calc.cos(t * 1rad), calc.sin(t * 1rad)),
+             domain: (0, 2 * calc.pi))
+  })
+}))
+
+/* Test clipping */
+#box(stroke: 2pt + red, canvas({
+  import draw: *
+
+  plot.plot(size: (4, 4),
+    x-min: -1, x-max: 1,
+    y-min: -1, y-max: 1,
+    x-tick-step: 1,
+    y-tick-step: 1,
+  {
+    plot.add((t) => (calc.cos(t * 1rad) + .5, calc.sin(t * 1rad)),
+             domain: (0, 2 * calc.pi))
+    plot.add((t) => (calc.cos(t * 1rad) - .5, calc.sin(t * 1rad)),
+             domain: (0, 2 * calc.pi))
+    plot.add((t) => (calc.cos(t * 1rad), calc.sin(t * 1rad) + .5),
+             domain: (0, 2 * calc.pi))
+    plot.add((t) => (calc.cos(t * 1rad), calc.sin(t * 1rad) - .5),
+             domain: (0, 2 * calc.pi))
+  })
+}))
+
+/* Test filling */
+#box(stroke: 2pt + red, canvas({
+  import draw: *
+
+  plot.plot(size: (4, 4),
+    x-tick-step: 1,
+    y-tick-step: 1,
+  {
+    plot.add((t) => (calc.cos(t * 1rad), calc.sin(t * 1rad)),
+             domain: (0, 2 * calc.pi),
+             fill: true)
+  })
+}))

tests/plot/test.typ

@@ -245,21 +245,6 @@
        mark: (start: ">", end: ">"), name: "amplitude")
 }))
 
-/* Something cool */
-#box(stroke: 2pt + red, canvas({
-  import draw: *
-
-  plot.plot(size: (10, 4),
-    x-min: -.8,
-    x-grid: "major",
-    y-grid: "major",
-    {
-      plot.add(samples: 100, domain: (-2 * calc.pi, 2 * calc.pi), t =>
-        (calc.cos(t) / (calc.pow(calc.sin(t), 2) + 1),
-         calc.cos(t) * calc.sin(t) / (calc.pow(calc.sin(t), 2) + 1)))
-    })
-}))
-
 /* Custom sample points */
 #box(stroke: 2pt + red, canvas({
   import draw: *