extern crate std;
use crate::file::{
DeclarationKind, InitializerKind, Namespace, NativeFileModelKind, NativeFileModelState,
};
use crate::lang::js::NativeTemplateIssueKind as Kind;
use crate::op::{BindingOp, Op};
use crate::resolution::Usage;
use vize_l0::Allocator;
mod checkbox;
mod lazy;
mod number;
mod refusal;
mod support;
mod trim;
use support::{completed, owner};
std::thread_local! {
static FAULT: std::cell::Cell<u8> = const { std::cell::Cell::new(0) };
}
fn inject(point: u8) {
FAULT.with(|fault| {
if fault.get() == point {
fault.set(0);
panic!("interrupted original Model custody at {point}");
}
});
}
pub(super) fn before_observe() {
inject(1);
}
pub(super) fn after_park() {
inject(2);
}
pub(in crate::file::region::native) fn after_mint() {
inject(3);
}
pub(in crate::file::region::native) fn after_body() {
inject(4);
}
pub(in crate::file::region::native) fn after_close() {
inject(5);
}
pub(super) fn after_failure_park() {
inject(6);
}
#[test]
fn original_five_primitive_let_var_models_keep_one_real_readwrite_and_no_alias_scope() {
for (source, kind) in [
(
"<script setup>let draft='snow'</script><template><input v-model='draft'/></template>",
DeclarationKind::Let,
),
(
"<script setup>var draft=7</script><template><input v-model='draft'/></template>",
DeclarationKind::Var,
),
(
"<script setup>let draft=false</script><template><input v-model='draft'/></template>",
DeclarationKind::Let,
),
(
"<script setup>var draft=null</script><template><input v-model='draft'/></template>",
DeclarationKind::Var,
),
(
"\r\n<script setup lang='ts'>let café:bigint=9n</script>\r\n<template><input v-model=\"café\" /></template>\r\n",
DeclarationKind::Let,
),
] {
let arena = Allocator::default();
let output = completed(&arena, source);
let setup = output.setup().unwrap();
let file = output.file().unwrap();
assert!(file.is_complete() && output.view().is_ok());
assert!(core::ptr::eq(setup.file(), file));
let [unit] = file.units() else {
panic!("one actual Program")
};
assert_eq!(file.scopes().len(), 2);
assert_eq!(file.artifact().node_count(), 2);
let [record] = file.native_models() else {
panic!("one original Model")
};
let NativeFileModelState::Admitted(node) = record.state() else {
panic!("closed Model")
};
let [Op::Element(element)] = file.artifact().root().ops.as_slice() else {
panic!("real input")
};
let [BindingOp::Model(model)] = element.bindings.as_slice() else {
panic!("real attached Model")
};
let element_node = record.element_node().unwrap();
assert_ne!(node, element_node);
assert!(record.accepts(model) && record.accepts_element(element_node, element));
assert!(core::ptr::eq(record, file.native_model(node).unwrap()));
assert!(file.artifact().scopes().get(node).is_none());
assert_eq!(record.scope(), unit.scope);
assert_eq!(record.scope(), setup.scope());
assert_eq!(element.tag, "input");
assert!(element.attributes.is_empty() && element.children.ops.is_empty());
assert!(model.argument.is_none() && model.attributes.is_empty());
assert_eq!(record.input().attribute_span(), Some(model.span));
assert_eq!(
record.input().operand().name_span().slice(source),
"v-model"
);
let (crate::expr::ExprRef::Js(read), crate::expr::ExprRef::Js(write)) =
(model.contract.read, model.contract.write)
else {
panic!("same original expression")
};
assert!(core::ptr::eq(read, write));
assert!(record.input().matches_expression(read));
let resolution = file.expression(node).unwrap();
assert_eq!(resolution.scope(), Some(unit.scope));
let table = resolution.table().unwrap();
let resolved = table.expression();
assert!(!record.input().matches_expression(resolved));
assert!(core::ptr::eq(resolved.ast, read.ast));
assert!(core::ptr::eq(resolved.source, read.source));
assert_eq!(resolved.span, read.span);
assert!(core::ptr::eq(
resolved.coordinates.unwrap(),
read.coordinates.unwrap()
));
let [occurrence] = table.occurrences() else {
panic!("one genuine ReadWrite occurrence")
};
assert_eq!(occurrence.usage, Usage::ReadWrite);
assert!(!occurrence.shorthand && !occurrence.constructor);
assert_eq!(record.binding(), Some(occurrence.binding));
let binding = resolution.binding(occurrence.binding).unwrap();
assert!(resolution.accepts(binding));
assert!(setup.binding(binding).is_ok());
let declaration = binding.declaration().unwrap();
assert_eq!(declaration.id, occurrence.binding);
assert_eq!(declaration.kind, kind);
assert_eq!(declaration.namespace, Namespace::Value);
assert_eq!(declaration.initializer, InitializerKind::PrimitiveLiteral);
assert!(declaration.is_direct_program());
assert_eq!(declaration.scope, unit.scope);
assert_eq!(declaration.unit, unit.id);
assert_eq!(declaration.name.as_str(), occurrence.name);
assert_eq!(
record.input().operand().value_span().slice(source),
occurrence.name
);
let identifier = read.ast.get_identifier_reference().unwrap();
assert_eq!(
read.ast_span_to_source(identifier.span),
Some(occurrence.span)
);
assert_eq!(
read.authored_span(occurrence.span).unwrap().slice(source),
occurrence.name
);
assert!(file.native_interpolations().is_empty());
}
}
#[test]
fn equal_foreign_model_nodes_elements_and_bindings_never_satisfy_same_file_custody() {
let arena = Allocator::default();
let source = "<script setup>let draft=''</script><template><input v-model='draft'/></template>";
let own = completed(&arena, source);
let foreign = completed(&arena, source);
let file = own.file().unwrap();
let other = foreign.file().unwrap();
let [record] = file.native_models() else {
panic!("own original")
};
let [other_record] = other.native_models() else {
panic!("foreign original")
};
assert_eq!(record.state(), other_record.state());
assert_eq!(record.binding(), other_record.binding());
assert_eq!(record.element_node(), other_record.element_node());
let NativeFileModelState::Admitted(node) = record.state() else {
panic!("actual node")
};
let [Op::Element(element)] = file.artifact().root().ops.as_slice() else {
panic!("own input")
};
let [Op::Element(other_element)] = other.artifact().root().ops.as_slice() else {
panic!("foreign input")
};
let [BindingOp::Model(model)] = element.bindings.as_slice() else {
panic!("own Model")
};
let [BindingOp::Model(other_model)] = other_element.bindings.as_slice() else {
panic!("foreign Model")
};
assert!(record.accepts(model));
assert!(!record.accepts(other_model));
assert!(record.accepts_element(record.element_node().unwrap(), element));
assert!(!record.accepts_element(record.element_node().unwrap(), other_element));
assert!(
!file
.expression(node)
.unwrap()
.accepts(other.binding(record.binding().unwrap()).unwrap())
);
assert!(
!record
.input()
.matches_expression(other_record.input().expression().unwrap())
);
let copied = *record.input().expression().unwrap();
assert!(!record.input().matches_expression(&copied));
let mut interrupted = owner(&arena, source);
{
let mut walk = interrupted.begin().unwrap();
let foreign_child = foreign.selected().children().next().unwrap();
assert_eq!(
walk.child(foreign_child).unwrap_err().kind,
Kind::InvalidEvent
);
assert!(walk.root.facts.native_models().is_empty());
assert_eq!(walk.complete().unwrap_err().kind, Kind::InvalidEvent);
}
let interrupted = interrupted.finish();
assert!(interrupted.view().is_err());
assert!(interrupted.file().unwrap().native_models().is_empty());
}
#[test]
fn caught_model_transition_unwinds_keep_actual_prefix_but_never_publish_complete_file_access() {
for point in 1..=5 {
let arena = Allocator::default();
let source =
"<script setup>let draft='snow'</script><template><input v-model='draft'/></template>";
let mut owner = owner(&arena, source);
{
let mut walk = owner.begin().unwrap();
let scope = walk.root.scope;
let selected = walk.selected();
let child = selected.children().next().unwrap();
FAULT.with(|fault| fault.set(point));
assert!(
std::panic::catch_unwind(std::panic::AssertUnwindSafe(
|| walk.child(child.reborrow())
))
.is_err()
);
assert_eq!(walk.root.scope, scope);
assert_eq!(walk.root.facts.scopes.len(), 2);
assert!(walk.root.facts.template_declarations.is_empty());
assert_eq!(walk.cursor, 0);
assert!(walk.root.facts.template_walk.interruption().is_some());
if point == 1 {
assert!(walk.root.facts.native_models().is_empty());
} else {
let [record] = walk.root.facts.native_models() else {
panic!("parked actual Model")
};
assert_eq!(record.scope(), scope);
assert_eq!(record.input().operand().raw_value(), "draft");
assert!(core::ptr::eq(
record.input().operand().syntax().source().authored_root(),
source
));
assert_eq!(record.input().expression().is_some(), point >= 3);
assert_eq!(record.binding().is_some(), point >= 3);
assert_eq!(record.original.is_some(), point >= 3);
assert_eq!(record.element_node().is_some(), point == 5);
if point < 5 {
assert_eq!(record.state(), NativeFileModelState::Pending);
} else {
assert!(matches!(record.state(), NativeFileModelState::Admitted(_)));
}
}
assert_eq!(walk.child(child).unwrap_err().kind, Kind::Interrupted);
assert_eq!(walk.complete().unwrap_err().kind, Kind::Interrupted);
}
let output = owner.finish();
assert!(output.view().is_err() && output.setup().is_err());
assert!(output.retained_setup().is_some());
assert!(core::ptr::eq(
output.selected().component().block().root_source(),
source
));
if point == 3 || point == 4 {
assert!(output.file().is_none());
let rejected = output.rejected_file().unwrap();
assert!(rejected.template_interruption().is_some());
let [record] = rejected.native_models() else {
panic!("whole pending owner")
};
assert_eq!(record.state(), NativeFileModelState::Pending);
let [Op::Element(element)] = rejected.artifact().parts.root.ops.as_slice() else {
panic!("retained pending input")
};
let [BindingOp::Model(model)] = element.bindings.as_slice() else {
panic!("retained actual Model")
};
assert!(!record.accepts(model));
let crate::expr::ExprRef::Js(read) = model.contract.read else {
panic!("actual expression")
};
assert!(record.input().matches_expression(read));
assert!(element.children.ops.is_empty());
} else {
let file = output.file().unwrap();
assert!(!file.is_complete());
assert!(file.template_interruption().is_some());
if point == 5 {
let [record] = file.native_models() else {
panic!("closed row, incomplete File")
};
let NativeFileModelState::Admitted(node) = record.state() else {
panic!("real closed allocation")
};
let [Op::Element(element)] = file.artifact().root().ops.as_slice() else {
panic!("closed input")
};
let [BindingOp::Model(model)] = element.bindings.as_slice() else {
panic!("closed Model")
};
assert!(record.accepts(model));
assert!(record.accepts_element(record.element_node().unwrap(), element));
assert!(file.expression(node).is_some());
assert!(file.native_model(node).is_none());
} else {
assert!(file.artifact().root().ops.is_empty());
assert_eq!(file.artifact().node_count(), 0);
}
}
}
}
#[test]
fn interrupted_model_preparation_failure_keeps_the_original_failure_without_a_model_or_node() {
let arena = Allocator::default();
let source = "<script setup>let draft=''</script><template><input v-model/></template>";
let mut owner = owner(&arena, source);
{
let mut walk = owner.begin().unwrap();
let child = walk.selected().children().next().unwrap();
FAULT.with(|fault| fault.set(6));
assert!(
std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| walk.child(child))).is_err()
);
assert!(walk.root.facts.native_models().is_empty());
let [failure] = walk.root.facts.native_model_failures() else {
panic!("parked whole L1 failure")
};
assert_eq!(
failure.kind(),
vize_l1::markup::NativeAttributeOperandError::IncompleteValue
);
assert_eq!(walk.complete().unwrap_err().kind, Kind::Interrupted);
}
let output = owner.finish();
assert!(output.view().is_err() && output.setup().is_err());
let file = output.file().unwrap();
assert!(!file.is_complete());
assert!(file.template_interruption().is_some());
assert_eq!(file.artifact().node_count(), 0);
assert!(file.native_models().is_empty());
let [failure] = file.native_model_failures() else {
panic!("retained complete failure")
};
assert_eq!(
failure.kind(),
vize_l1::markup::NativeAttributeOperandError::IncompleteValue
);
}