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#![allow(non_upper_case_globals)] #![allow(non_camel_case_types)] #![allow(non_snake_case)] include!(concat!(env!("OUT_DIR"), "/bindings.rs")); #[cfg(test)] mod tests { #[test] fn library_version() { let cstr = unsafe { std::ffi::CStr::from_ptr(super::jsonnet_version()) }; assert_eq!(cstr.to_str().unwrap(), "v0.17.0 (go-jsonnet)"); } #[test] fn evaluate_snippet() { let filename = std::ffi::CString::new("evaluate_snippet.jsonnet").unwrap(); let code = std::ffi::CString::new("{foo: 1+2, bar: std.isBoolean(false)}").unwrap(); let result = unsafe { let vm = super::jsonnet_make(); let mut err = 0; let result_ptr = super::jsonnet_evaluate_snippet(vm, filename.as_ptr(), code.as_ptr(), &mut err); let result = std::ffi::CStr::from_ptr(result_ptr) .to_string_lossy() .into_owned(); super::jsonnet_realloc(vm, result_ptr, 0); super::jsonnet_destroy(vm); if err == 0 { Ok(result) } else { Err(result) } }; assert!(result.is_ok()); #[derive(Debug, PartialEq, serde::Deserialize)] struct S { foo: i32, bar: bool, } let s: S = serde_json::from_str(&result.unwrap()).unwrap(); assert_eq!(s, S { foo: 3, bar: true }); } #[test] fn evaluate_snippet_syntax_error() { let filename = std::ffi::CString::new("evaluate_snippet.jsonnet").unwrap(); let code = std::ffi::CString::new("{foo: 1+}").unwrap(); let result = unsafe { let vm = super::jsonnet_make(); let mut err = 0; let result_ptr = super::jsonnet_evaluate_snippet(vm, filename.as_ptr(), code.as_ptr(), &mut err); let result = std::ffi::CStr::from_ptr(result_ptr) .to_string_lossy() .into_owned(); super::jsonnet_realloc(vm, result_ptr, 0); super::jsonnet_destroy(vm); if err == 0 { Ok(result) } else { Err(result) } }; assert!(result.is_err()); assert!(result .unwrap_err() .starts_with("evaluate_snippet.jsonnet:1:")); } #[test] fn native_callback() { let filename = std::ffi::CString::new("native_callback.jsonnet").unwrap(); let code = std::ffi::CString::new( r#" local hello = std.native("hello"); { message: hello("world") } "#, ) .unwrap(); let name = std::ffi::CString::new("hello").unwrap(); unsafe extern "C" fn callback( ctx: *mut std::ffi::c_void, argv: *const *const super::JsonnetJsonValue, success: *mut i32, ) -> *mut super::JsonnetJsonValue { let vm = ctx as *mut super::JsonnetVm; let arg_c = super::jsonnet_json_extract_string(vm, *argv as *mut super::JsonnetJsonValue); let arg = std::ffi::CStr::from_ptr(arg_c).to_str().unwrap(); let message = std::ffi::CString::new(format!("hello {}", arg)).unwrap(); let s = super::jsonnet_json_make_string(vm, message.as_ptr()); *success = 1; s } let arg = std::ffi::CString::new("s").unwrap(); let params = vec![arg.as_ptr(), std::ptr::null()]; let result = unsafe { let vm = super::jsonnet_make(); super::jsonnet_native_callback( vm, name.as_ptr(), Some(callback), vm as *mut std::ffi::c_void, params.as_ptr(), ); let mut err = 0; let result_ptr = super::jsonnet_evaluate_snippet(vm, filename.as_ptr(), code.as_ptr(), &mut err); let result = std::ffi::CStr::from_ptr(result_ptr) .to_string_lossy() .into_owned(); super::jsonnet_realloc(vm, result_ptr, 0); super::jsonnet_destroy(vm); if err == 0 { Ok(result) } else { Err(result) } }; assert!(result.is_ok()); #[derive(Debug, PartialEq, serde::Deserialize)] struct S { message: String, } let s: S = serde_json::from_str(&result.unwrap()).unwrap(); assert_eq!( s, S { message: "hello world".to_owned() } ); } }