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//! Integration tests for production build code generation
//!
//! These tests verify that build.rs correctly generates static Rust code
//! from .dampen files.
use std::fs;
use std::path::PathBuf;
#[test]
fn test_build_rs_template_exists() {
// Verify the build.rs template exists and is valid
let template_path =
PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("templates/build.rs.template");
assert!(template_path.exists(), "build.rs template should exist");
let content = fs::read_to_string(&template_path).expect("Should be able to read template");
// Verify template has essential components
assert!(
content.contains("fn main()"),
"Template should have main function"
);
assert!(content.contains("OUT_DIR"), "Template should use OUT_DIR");
assert!(
content.contains(".dampen"),
"Template should reference .dampen files"
);
}
#[test]
fn test_build_rs_finds_dampen_files() {
// This test will verify that build.rs can find .dampen files
// For now, this is a placeholder
// TODO: Implement actual build.rs logic and test it
assert!(true, "Placeholder - will implement with actual build.rs");
}
#[test]
fn test_build_rs_generates_code() {
// This test will verify that build.rs generates valid Rust code
// For now, this is a placeholder
// Expected behavior:
// 1. Parse .dampen files
// 2. Generate ui_generated.rs with Message enum and Application impl
// 3. Code should compile successfully
// TODO: Implement actual code generation and test it
assert!(true, "Placeholder - will implement with code generation");
}
#[test]
fn test_build_rs_validates_handlers() {
// This test will verify that build.rs validates handler references
// For now, this is a placeholder
// Expected behavior:
// 1. Detect handler references in XML
// 2. Verify all referenced handlers exist
// 3. Report helpful error messages for missing handlers
// TODO: Implement handler validation and test it
assert!(true, "Placeholder - will implement with validation");
}
#[test]
fn test_build_rs_detects_circular_dependencies() {
// This test will verify that build.rs detects circular handler dependencies
// For now, this is a placeholder
// Expected behavior:
// 1. Build handler call graph
// 2. Detect cycles using DFS
// 3. Report helpful error messages showing the cycle
// TODO: Implement cycle detection and test it
assert!(true, "Placeholder - will implement with cycle detection");
}
#[test]
fn test_build_rs_rerun_on_changes() {
// Verify that build.rs properly declares rerun-if-changed
let template_path =
PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("templates/build.rs.template");
let content = fs::read_to_string(&template_path).expect("Should be able to read template");
// Should declare rerun triggers
assert!(
content.contains("cargo:rerun-if-changed"),
"Template should declare rerun triggers"
);
}