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Refactor transformer tests 

Transformers will be moving to a transform-on-copy model, instead of transform-in-place.
Rework the tests to handle this.

Bug: tint:390
Change-Id: Id53a0ba0bd365472940d116bd686e450a29e5028
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34571
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton 2020-12-03 20:25:29 +00:00 committed by Commit Bot service account
parent ad0b2cb841
commit 0f37afb74e
2 changed files with 545 additions and 597 deletions
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980
src/transform/bound_array_accessors_transform_test.cc
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138
src/transform/emit_vertex_point_size_transform_test.cc
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@ -19,49 +19,79 @@
#include "gtest/gtest.h"
#include "src/ast/builder.h"
#include "src/ast/call_statement.h"
#include "src/ast/stage_decoration.h"
#include "src/ast/variable_decl_statement.h"
#include "src/diagnostic/diagnostic.h"
#include "src/diagnostic/formatter.h"
#include "src/transform/manager.h"
namespace tint {
namespace transform {
namespace {
class EmitVertexPointSizeTransformTest : public testing::Test,
public ast::BuilderWithModule {
class EmitVertexPointSizeTransformTest : public testing::Test {
public:
EmitVertexPointSizeTransformTest() {
auto transform = std::make_unique<EmitVertexPointSizeTransform>(mod);
manager = std::make_unique<Manager>();
manager->append(std::move(transform));
struct Output {
ast::Module module;
diag::List diagnostics;
};
Output Transform(ast::Module mod) {
Manager manager;
manager.append(std::make_unique<EmitVertexPointSizeTransform>(&mod));
manager.Run(&mod);
Output out;
out.module = std::move(mod);
auto err = manager.error();
if (!err.empty()) {
diag::Diagnostic diag;
diag.message = err;
diag.severity = diag::Severity::Error;
out.diagnostics.add(std::move(diag));
}
return out;
}
};
struct ModuleBuilder : public ast::BuilderWithModule {
ModuleBuilder() {}
ast::Module Module() {
Build();
return std::move(*mod);
}
std::unique_ptr<Manager> manager;
protected:
virtual void Build() = 0;
};
TEST_F(EmitVertexPointSizeTransformTest, VertexStageBasic) {
struct Builder : ModuleBuilder {
void Build() override {
auto* block = create<ast::BlockStatement>(Source{});
block->append(create<ast::CallStatement>(create<ast::CallExpression>(
Source{},
create<ast::IdentifierExpression>(
Source{}, "builtin_assignments_should_happen_before_this"),
ast::ExpressionList{})));
mod->AddFunction(create<ast::Function>(
"non_entry_a", ast::VariableList{}, create<ast::type::Void>(),
block->append(create<ast::VariableDeclStatement>(
Var("builtin_assignments_should_happen_before_this",
tint::ast::StorageClass::kFunction, ty.f32)));
mod->AddFunction(
create<ast::Function>("non_entry_a", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{})));
auto* entry = create<ast::Function>("entry", ast::VariableList{},
create<ast::type::Void>(), block);
entry->set_decorations(
{create<ast::StageDecoration>(ast::PipelineStage::kVertex, Source{})});
auto* entry =
create<ast::Function>("entry", ast::VariableList{}, ty.void_, block);
entry->set_decorations({create<ast::StageDecoration>(
ast::PipelineStage::kVertex, Source{})});
mod->AddFunction(entry);
mod->AddFunction(create<ast::Function>(
"non_entry_b", ast::VariableList{}, create<ast::type::Void>(),
mod->AddFunction(
create<ast::Function>("non_entry_b", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{})));
}
};
manager->Run(mod);
auto result = Transform(Builder{}.Module());
ASSERT_FALSE(result.diagnostics.contains_errors())
<< diag::Formatter().format(result.diagnostics);
auto* expected = R"(Module{
DecoratedVariable{
@ -84,10 +114,12 @@ TEST_F(EmitVertexPointSizeTransformTest, VertexStageBasic) {
Identifier[__ptr_out__f32]{tint_pointsize}
ScalarConstructor[__f32]{1.000000}
}
Call[not set]{
Identifier[not set]{builtin_assignments_should_happen_before_this}
(
)
VariableDeclStatement{
Variable{
builtin_assignments_should_happen_before_this
function
__f32
}
}
}
Function non_entry_b -> __void
@ -96,26 +128,32 @@ TEST_F(EmitVertexPointSizeTransformTest, VertexStageBasic) {
}
}
)";
EXPECT_EQ(expected, mod->to_str());
EXPECT_EQ(expected, result.module.to_str());
}
TEST_F(EmitVertexPointSizeTransformTest, VertexStageEmpty) {
mod->AddFunction(create<ast::Function>(
"non_entry_a", ast::VariableList{}, create<ast::type::Void>(),
struct Builder : ModuleBuilder {
void Build() override {
mod->AddFunction(
create<ast::Function>("non_entry_a", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{})));
auto* entry = create<ast::Function>("entry", ast::VariableList{},
create<ast::type::Void>(),
auto* entry =
create<ast::Function>("entry", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{}));
entry->set_decorations(
{create<ast::StageDecoration>(ast::PipelineStage::kVertex, Source{})});
entry->set_decorations({create<ast::StageDecoration>(
ast::PipelineStage::kVertex, Source{})});
mod->AddFunction(entry);
mod->AddFunction(create<ast::Function>(
"non_entry_b", ast::VariableList{}, create<ast::type::Void>(),
mod->AddFunction(
create<ast::Function>("non_entry_b", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{})));
}
};
manager->Run(mod);
auto result = Transform(Builder{}.Module());
ASSERT_FALSE(result.diagnostics.contains_errors())
<< diag::Formatter().format(result.diagnostics);
auto* expected = R"(Module{
DecoratedVariable{
@ -145,25 +183,31 @@ TEST_F(EmitVertexPointSizeTransformTest, VertexStageEmpty) {
}
}
)";
EXPECT_EQ(expected, mod->to_str());
EXPECT_EQ(expected, result.module.to_str());
}
TEST_F(EmitVertexPointSizeTransformTest, NonVertexStage) {
auto* fragment_entry = create<ast::Function>(
"fragment_entry", ast::VariableList{}, create<ast::type::Void>(),
struct Builder : ModuleBuilder {
void Build() override {
auto* fragment_entry =
create<ast::Function>("fragment_entry", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{}));
fragment_entry->set_decorations(
{create<ast::StageDecoration>(ast::PipelineStage::kFragment, Source{})});
fragment_entry->set_decorations({create<ast::StageDecoration>(
ast::PipelineStage::kFragment, Source{})});
mod->AddFunction(fragment_entry);
auto* compute_entry = create<ast::Function>(
"compute_entry", ast::VariableList{}, create<ast::type::Void>(),
auto* compute_entry =
create<ast::Function>("compute_entry", ast::VariableList{}, ty.void_,
create<ast::BlockStatement>(Source{}));
compute_entry->set_decorations(
{create<ast::StageDecoration>(ast::PipelineStage::kCompute, Source{})});
compute_entry->set_decorations({create<ast::StageDecoration>(
ast::PipelineStage::kCompute, Source{})});
mod->AddFunction(compute_entry);
}
};
manager->Run(mod);
auto result = Transform(Builder{}.Module());
ASSERT_FALSE(result.diagnostics.contains_errors())
<< diag::Formatter().format(result.diagnostics);
auto* expected = R"(Module{
Function fragment_entry -> __void
@ -178,7 +222,7 @@ TEST_F(EmitVertexPointSizeTransformTest, NonVertexStage) {
}
}
)";
EXPECT_EQ(expected, mod->to_str());
EXPECT_EQ(expected, result.module.to_str());
}
} // namespace