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templater: leverage GenericTemplateLanguage in tests

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This commit is contained in:
Yuya Nishihara 2024-03-03 21:48:21 +09:00
parent d0168199f0
commit 4c62f46c03
1 changed files with 10 additions and 81 deletions
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91
cli/src/template_builder.rs
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@ -1146,83 +1146,11 @@ mod tests {
use super::*;
use crate::formatter::{self, ColorFormatter};
use crate::generic_templater::GenericTemplateLanguage;
use crate::template_parser::TemplateAliasesMap;
/// Minimal template language for testing.
struct TestTemplateLanguage {
build_fn_table: CoreTemplateBuildFnTable<'static, TestTemplateLanguage>,
keywords: HashMap<&'static str, TestTemplateKeywordFn>,
}
impl TemplateLanguage<'static> for TestTemplateLanguage {
type Context = ();
type Property = TestTemplatePropertyKind;
impl_core_wrap_property_fns!('static, TestTemplatePropertyKind::Core);
fn build_self(&self) -> Self::Property {
TestTemplatePropertyKind::Unit
}
fn build_method(
&self,
build_ctx: &BuildContext<Self::Property>,
property: Self::Property,
function: &FunctionCallNode,
) -> TemplateParseResult<Self::Property> {
match property {
TestTemplatePropertyKind::Core(property) => {
let table = &self.build_fn_table;
table.build_method(self, build_ctx, property, function)
}
TestTemplatePropertyKind::Unit => {
let build = self
.keywords
.get(function.name)
.ok_or_else(|| TemplateParseError::no_such_method("()", function))?;
template_parser::expect_no_arguments(function)?;
Ok(build(self))
}
}
}
}
enum TestTemplatePropertyKind {
Core(CoreTemplatePropertyKind<'static, ()>),
Unit,
}
impl IntoTemplateProperty<'static, ()> for TestTemplatePropertyKind {
fn try_into_boolean(self) -> Option<Box<dyn TemplateProperty<(), Output = bool>>> {
match self {
TestTemplatePropertyKind::Core(property) => property.try_into_boolean(),
TestTemplatePropertyKind::Unit => None,
}
}
fn try_into_integer(self) -> Option<Box<dyn TemplateProperty<(), Output = i64>>> {
match self {
TestTemplatePropertyKind::Core(property) => property.try_into_integer(),
TestTemplatePropertyKind::Unit => None,
}
}
fn try_into_plain_text(self) -> Option<Box<dyn TemplateProperty<(), Output = String>>> {
match self {
TestTemplatePropertyKind::Core(property) => property.try_into_plain_text(),
TestTemplatePropertyKind::Unit => None,
}
}
fn try_into_template(self) -> Option<Box<dyn Template<()>>> {
match self {
TestTemplatePropertyKind::Core(property) => property.try_into_template(),
TestTemplatePropertyKind::Unit => None,
}
}
}
type TestTemplateKeywordFn = fn(&TestTemplateLanguage) -> TestTemplatePropertyKind;
type TestTemplateLanguage = GenericTemplateLanguage<'static, ()>;
type TestTemplatePropertyKind = <TestTemplateLanguage as TemplateLanguage<'static>>::Property;
/// Helper to set up template evaluation environment.
struct TestTemplateEnv {
@ -1234,10 +1162,7 @@ mod tests {
impl Default for TestTemplateEnv {
fn default() -> Self {
TestTemplateEnv {
language: TestTemplateLanguage {
build_fn_table: CoreTemplateBuildFnTable::builtin(),
keywords: HashMap::new(),
},
language: TestTemplateLanguage::new(),
aliases_map: TemplateAliasesMap::new(),
color_rules: Vec::new(),
}
@ -1245,8 +1170,12 @@ mod tests {
}
impl TestTemplateEnv {
fn add_keyword(&mut self, name: &'static str, f: TestTemplateKeywordFn) {
self.language.keywords.insert(name, f);
fn add_keyword<F>(&mut self, name: &'static str, build: F)
where
F: Fn(&TestTemplateLanguage) -> TestTemplatePropertyKind + 'static,
{
self.language
.add_keyword(name, move |language| Ok(build(language)));
}
fn add_alias(&mut self, decl: impl AsRef<str>, defn: impl Into<String>) {