use minijinja::context;
#[test]
fn force_build_uses_mix_env_not_system_get_env() {
let mut env = minijinja::Environment::new();
let template_str = r#"defmodule {{ app_module }}.Native do
@moduledoc false
use RustlerPrecompiled,
otp_app: :{{ app_name }},
crate: "{{ app_name }}_nif",
base_url:
"{{ repo_url }}/releases/download/v#{{ '{' }}Mix.Project.config()[:version]{{ '}' }}",
version: Mix.Project.config()[:version],
targets:
~w(aarch64-apple-darwin aarch64-unknown-linux-gnu x86_64-unknown-linux-gnu x86_64-pc-windows-gnu),
nif_versions: ["2.16", "2.17"],
force_build: System.get_env("{{ build_env_var }}") in ["1", "true"] or Mix.env() in [:dev, :test]
"#;
env.add_template("test_native_header", template_str)
.expect("template adds successfully");
let tmpl = env.get_template("test_native_header").expect("template retrieves");
let rendered = tmpl
.render(context! {
app_module => "SampleCrate",
app_name => "sample_crate",
repo_url => "https://github.com/sample_crate-dev/sample_crate",
build_env_var => "SAMPLE_CRATE_BUILD",
})
.expect("template renders");
assert!(
rendered.contains("Mix.env() in [:dev, :test]"),
"Expected 'Mix.env() in [:dev, :test]' in rendered template, got:\n{}",
rendered
);
assert!(
!rendered.contains("System.get_env(\"MIX_ENV\")"),
"Template should not contain 'System.get_env(\"MIX_ENV\")', got:\n{}",
rendered
);
}
#[test]
fn base_url_and_targets_wrapped_for_mix_format_idempotency() {
let mut env = minijinja::Environment::new();
let template_str = r#"defmodule {{ app_module }}.Native do
@moduledoc false
use RustlerPrecompiled,
otp_app: :{{ app_name }},
crate: "{{ app_name }}_nif",
base_url:
"{{ repo_url }}/releases/download/v#{{ '{' }}Mix.Project.config()[:version]{{ '}' }}",
version: Mix.Project.config()[:version],
targets:
~w({{ nif_targets }}),
nif_versions: ["2.16", "2.17"],
force_build: System.get_env("{{ build_env_var }}") in ["1", "true"] or Mix.env() in [:dev]
"#;
env.add_template("test_native_header_wrap", template_str)
.expect("template adds successfully");
let tmpl = env.get_template("test_native_header_wrap").expect("template retrieves");
let short_rendered = tmpl
.render(context! {
app_module => "Foo",
app_name => "foo",
repo_url => "https://github.com/xberg-io/foo",
build_env_var => "FOO_BUILD",
nif_targets => "aarch64-apple-darwin x86_64-unknown-linux-gnu",
})
.expect("template renders");
assert!(
short_rendered.contains(" base_url:\n \"https://github.com/xberg-io/foo/releases/download/v"),
"Short library: base_url should be wrapped, got:\n{}",
short_rendered
);
assert!(
short_rendered.contains(" targets:\n ~w(aarch64-apple-darwin x86_64-unknown-linux-gnu)"),
"Short library: targets should be wrapped, got:\n{}",
short_rendered
);
let long_rendered = tmpl
.render(context! {
app_module => "VeryLongLibraryNameForWrapTest",
app_name => "very_long_library_name_for_wrap_test",
repo_url => "https://github.com/example-org/very-long-library-name-for-wrap-test",
build_env_var => "VERY_LONG_LIBRARY_NAME_FOR_WRAP_TEST_BUILD",
nif_targets => "aarch64-apple-darwin aarch64-unknown-linux-gnu x86_64-unknown-linux-gnu x86_64-pc-windows-gnu",
})
.expect("template renders");
assert!(
long_rendered.contains(" base_url:\n \"https://github.com/example-org/very-long-library-name-for-wrap-test/releases/download/v"),
"Long library: base_url should be wrapped, got:\n{}",
long_rendered
);
assert!(
long_rendered.contains(" targets:\n ~w(aarch64-apple-darwin aarch64-unknown-linux-gnu x86_64-unknown-linux-gnu x86_64-pc-windows-gnu)"),
"Long library: targets should be wrapped, got:\n{}",
long_rendered
);
}
#[test]
fn targets_with_many_platforms_wraps_at_keyword() {
let mut env = minijinja::Environment::new();
let template_str = r#"defmodule {{ app_module }}.Native do
@moduledoc false
use RustlerPrecompiled,
otp_app: :{{ app_name }},
crate: "{{ app_name }}_nif",
base_url:
"{{ repo_url }}/releases/download/v#{{ '{' }}Mix.Project.config()[:version]{{ '}' }}",
version: Mix.Project.config()[:version],
targets: [
{% for target in nif_targets_list -%}
"{{ target }}",
{% endfor -%}
],
nif_versions: ["2.16", "2.17"],
force_build: System.get_env("{{ build_env_var }}") in ["1", "true"] or Mix.env() in [:dev]
"#;
env.add_template("test_many_targets", template_str)
.expect("template adds successfully");
let tmpl = env.get_template("test_many_targets").expect("template retrieves");
let rendered = tmpl
.render(context! {
app_module => "Kreuzcrawl",
app_name => "kreuzcrawl",
repo_url => "https://github.com/xberg-io/kreuzcrawl",
build_env_var => "KREUZCRAWL_BUILD",
nif_targets_list => vec![
"x86_64-unknown-linux-gnu",
"aarch64-unknown-linux-gnu",
"x86_64-unknown-linux-musl",
"aarch64-unknown-linux-musl",
"aarch64-apple-darwin",
"x86_64-apple-darwin",
"x86_64-pc-windows-msvc",
],
})
.expect("template renders");
assert!(
rendered.contains(" targets: ["),
"targets should use list literal form, got:\n{}",
rendered
);
let lines_with_targets: Vec<&str> = rendered
.lines()
.filter(|l| l.contains("x86_64-unknown-linux-gnu") || l.contains("aarch64-apple-darwin"))
.collect();
assert!(
lines_with_targets.len() >= 2,
"targets should be split across multiple lines, got:\n{}",
rendered
);
for line in rendered.lines() {
if line.contains("\"") && line.contains("-") {
assert!(
line.len() <= 120,
"target line exceeds 120 chars ({}): {}",
line.len(),
line
);
}
}
}