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Simplify dynamic linking imports tests #818

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merged 2 commits into from
Nov 6, 2024
Merged

Simplify dynamic linking imports tests #818

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c66c65e
Simplify dynamic linking imports tests
jeffcharles Nov 6, 2024
e4521f6
Update name and use errors instead of asserts
jeffcharles Nov 6, 2024
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14 changes: 1 addition & 13 deletions crates/cli/tests/dynamic_linking_test.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,19 +60,7 @@ fn test_errors_in_exported_functions_are_correctly_reported(builder: &mut Builde
// If you need to change this test, then you've likely made a breaking change.
pub fn check_for_new_imports(builder: &mut Builder) -> Result<()> {
let runner = builder.input("console.js").build()?;
runner.assert_known_base_imports()
}

#[javy_cli_test(dyn = true, root = "tests/dynamic-linking-scripts")]
// If you need to change this test, then you've likely made a breaking change.
pub fn check_for_new_imports_for_exports(builder: &mut Builder) -> Result<()> {
let runner = builder
.input("linking-with-func.js")
.wit("linking-with-func.wit")
.world("foo-test")
.build()?;

runner.assert_known_named_function_imports()
runner.ensure_expected_imports()
}

#[javy_cli_test(dyn = true, root = "tests/dynamic-linking-scripts")]
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102 changes: 49 additions & 53 deletions crates/runner/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -428,67 +428,63 @@ impl Runner {
})
}

pub fn assert_known_base_imports(&self) -> Result<()> {
pub fn ensure_expected_imports(&self) -> Result<()> {
let module = Module::from_binary(self.linker.engine(), &self.wasm)?;
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@saulecabrera saulecabrera Nov 6, 2024 •
edited
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As a nit, given the description of the PR, could you rename this function reflect the intention? e.g., ensure_expected_imports (or something along those lines)

let instance_name = self.plugin.namespace();

let result = module.imports().filter(|i| {
if i.module() == instance_name && i.name() == "canonical_abi_realloc" {
let ty = i.ty();
let f = ty.unwrap_func();
return f.params().all(|p| p.is_i32())
&& f.params().len() == 4
&& f.results().len() == 1
&& f.results().all(|r| r.is_i32());
}

if i.module() == instance_name && i.name() == "eval_bytecode" {
let ty = i.ty();
let f = ty.unwrap_func();
return f.params().all(|p| p.is_i32())
&& f.params().len() == 2
&& f.results().len() == 0;
}

if i.module() == instance_name && i.name() == "memory" {
let ty = i.ty();
return ty.memory().is_some();
}

false
});

let count = result.count();
if count == 3 {
Ok(())
} else {
Err(anyhow!("Unexpected number of imports: {}", count))
let imports = module
.imports()
.filter(|i| i.module() == instance_name)
.collect::<Vec<_>>();
if imports.len() != 4 {
bail!("Dynamically linked modules should have exactly 4 imports for {instance_name}");
}
}

pub fn assert_known_named_function_imports(&self) -> Result<()> {
self.assert_known_base_imports()?;
let realloc = imports
.iter()
.find(|i| i.name() == "canonical_abi_realloc")
.ok_or_else(|| anyhow!("Should have canonical_abi_realloc import"))?;
let ty = realloc.ty();
let f = ty.unwrap_func();
if !f.params().all(|p| p.is_i32()) || f.params().len() != 4 {
bail!("canonical_abi_realloc should accept 4 i32s as parameters");
}
if !f.results().all(|p| p.is_i32()) || f.results().len() != 1 {
bail!("canonical_abi_realloc should return 1 i32 as a result");
}

let module = Module::from_binary(self.linker.engine(), &self.wasm)?;
let instance_name = self.plugin.namespace();
let result = module.imports().filter(|i| {
if i.module() == instance_name && i.name() == "invoke" {
let ty = i.ty();
let f = ty.unwrap_func();

return f.params().len() == 4
&& f.params().all(|p| p.is_i32())
&& f.results().len() == 0;
}
imports
.iter()
.find(|i| i.name() == "memory" && i.ty().memory().is_some())
.ok_or_else(|| anyhow!("Should have memory import named memory"))?;

let eval_bytecode = imports
.iter()
.find(|i| i.name() == "eval_bytecode")
.ok_or_else(|| anyhow!("Should have eval_bytecode import"))?;
let ty = eval_bytecode.ty();
let f = ty.unwrap_func();
if !f.params().all(|p| p.is_i32()) || f.params().len() != 2 {
bail!("eval_bytecode should accept 2 i32s as parameters");
}
if f.results().len() != 0 {
bail!("eval_bytecode should return no results");
}

false
});
let count = result.count();
if count == 1 {
Ok(())
} else {
Err(anyhow!("Unexpected number of imports: {}", count))
let invoke = imports
.iter()
.find(|i| i.name() == "invoke")
.ok_or_else(|| anyhow!("Should have invoke import"))?;
let ty = invoke.ty();
let f = ty.unwrap_func();
if !f.params().all(|p| p.is_i32()) || f.params().len() != 4 {
bail!("invoke should accept 4 i32s as parameters");
}
if f.results().len() != 0 {
bail!("invoke should return no results");
}

Ok(())
}

pub fn assert_producers(&self) -> Result<()> {
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