Grackle: Add Paul's QR code as a unit test

src/wasm-lib/Cargo.lock

@@ -2007,7 +2007,7 @@ dependencies = [
 [[package]]
 name = "kittycad-execution-plan"
 version = "0.1.0"
-source = "git+https://github.com/KittyCAD/modeling-api?branch=main#4dfeb5c9ce2cc3fb853dd14cf948a922f3724ef4"
+source = "git+https://github.com/KittyCAD/modeling-api?branch=main#0fa02b1829e16ab67aca2f6153dc29e3fe3a358b"
 dependencies = [
  "bytes",
  "insta",
@@ -2027,7 +2027,7 @@ dependencies = [
 [[package]]
 name = "kittycad-execution-plan-macros"
 version = "0.1.9"
-source = "git+https://github.com/KittyCAD/modeling-api?branch=main#4dfeb5c9ce2cc3fb853dd14cf948a922f3724ef4"
+source = "git+https://github.com/KittyCAD/modeling-api?branch=main#0fa02b1829e16ab67aca2f6153dc29e3fe3a358b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2037,7 +2037,7 @@ dependencies = [
 [[package]]
 name = "kittycad-execution-plan-traits"
 version = "0.1.13"
-source = "git+https://github.com/KittyCAD/modeling-api?branch=main#4dfeb5c9ce2cc3fb853dd14cf948a922f3724ef4"
+source = "git+https://github.com/KittyCAD/modeling-api?branch=main#0fa02b1829e16ab67aca2f6153dc29e3fe3a358b"
 dependencies = [
  "serde",
  "thiserror",
@@ -2046,8 +2046,8 @@ dependencies = [
 
 [[package]]
 name = "kittycad-modeling-cmds"
-version = "0.1.30"
+version = "0.1.32"
-source = "git+https://github.com/KittyCAD/modeling-api?branch=main#4dfeb5c9ce2cc3fb853dd14cf948a922f3724ef4"
+source = "git+https://github.com/KittyCAD/modeling-api?branch=main#0fa02b1829e16ab67aca2f6153dc29e3fe3a358b"
 dependencies = [
  "anyhow",
  "chrono",
@@ -2075,7 +2075,7 @@ dependencies = [
 [[package]]
 name = "kittycad-modeling-cmds-macros"
 version = "0.1.2"
-source = "git+https://github.com/KittyCAD/modeling-api?branch=main#4dfeb5c9ce2cc3fb853dd14cf948a922f3724ef4"
+source = "git+https://github.com/KittyCAD/modeling-api?branch=main#0fa02b1829e16ab67aca2f6153dc29e3fe3a358b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2085,7 +2085,7 @@ dependencies = [
 [[package]]
 name = "kittycad-modeling-session"
 version = "0.1.1"
-source = "git+https://github.com/KittyCAD/modeling-api?branch=main#4dfeb5c9ce2cc3fb853dd14cf948a922f3724ef4"
+source = "git+https://github.com/KittyCAD/modeling-api?branch=main#0fa02b1829e16ab67aca2f6153dc29e3fe3a358b"
 dependencies = [
  "futures",
  "kittycad",

src/wasm-lib/grackle/src/error.rs

@@ -61,7 +61,7 @@ pub enum Error {
     #[error("Failed on instruction {instruction_index}:\n{error}\n\nInstruction contents were {instruction:#?}")]
     Execution {
         error: ExecutionError,
-        instruction: Instruction,
+        instruction: Option<Instruction>,
         instruction_index: usize,
     },
 }

src/wasm-lib/grackle/src/tests.rs

@@ -1058,6 +1058,34 @@ fn kcvm_dbg(kcl_program: &str) {
     .unwrap();
 }
 
+#[tokio::test]
+async fn paul_qr_test() {
+    let program = include_str!("../testdata/paul_qr.kcl");
+    let ast = kcl_lib::parser::Parser::new(kcl_lib::token::lexer(program))
+        .ast()
+        .unwrap();
+    let mut client = Some(test_client().await);
+    crate::execute(ast, &mut client).await.unwrap();
+    use kittycad_modeling_cmds::{each_cmd, ok_response::OkModelingCmdResponse, ImageFormat};
+    let out = client
+        .unwrap()
+        .run_command(
+            uuid::Uuid::new_v4().into(),
+            each_cmd::TakeSnapshot {
+                format: ImageFormat::Png,
+            }
+            .into(),
+        )
+        .await
+        .unwrap();
+    let out = match out {
+        OkModelingCmdResponse::TakeSnapshot(b) => b,
+        other => panic!("wrong output: {other:?}"),
+    };
+    let out: Vec<u8> = out.contents.into();
+    std::fs::write("paul_qr_code.png", out).unwrap();
+}
+
 #[tokio::test]
 async fn stdlib_cube_partial() {
     let program = r#"