diff --git a/typed/src/annotation.rs b/typed/src/annotation.rs
new file mode 100644
index 0000000000..761dea19e3
--- /dev/null
+++ b/typed/src/annotation.rs
@@ -0,0 +1,58 @@
+use crate::{Circuit, Function, Identifier, Import, InputVariable, TestFunction};
+use leo_ast::{
+    annotations::{Annotation, AnnotationArguments, AnnotationName},
+    definitions::{AnnotatedDefinition, Definition},
+};
+
+use std::collections::HashMap;
+
+pub fn load_annotation(
+    annotated_definition: AnnotatedDefinition,
+    _imports: &mut Vec<Import>,
+    _circuits: &mut HashMap<Identifier, Circuit>,
+    _functions: &mut HashMap<Identifier, Function>,
+    tests: &mut HashMap<Identifier, TestFunction>,
+    _expected: &mut Vec<InputVariable>,
+) {
+    let ast_annotation = annotated_definition.annotation;
+    let ast_definition = *annotated_definition.definition;
+
+    match ast_definition {
+        Definition::Import(_) => unimplemented!("annotated imports are not supported yet"),
+        Definition::Circuit(_) => unimplemented!("annotated circuits are not supported yet"),
+        Definition::Function(_) => unimplemented!("annotated functions are not supported yet"),
+        Definition::TestFunction(ast_test) => {
+            let test = TestFunction::from(ast_test);
+            load_annotated_test(test, ast_annotation, tests)
+        }
+        Definition::Annotated(_) => unimplemented!("nested annotations are not supported yet"),
+    }
+}
+
+pub fn load_annotated_test(test: TestFunction, annotation: Annotation, tests: &mut HashMap<Identifier, TestFunction>) {
+    let name = annotation.name;
+    let ast_arguments = annotation.arguments;
+
+    match name {
+        AnnotationName::Context(_) => load_annotated_test_context(test, ast_arguments, tests),
+    }
+}
+
+pub fn load_annotated_test_context(
+    mut test: TestFunction,
+    ast_arguments: AnnotationArguments,
+    tests: &mut HashMap<Identifier, TestFunction>,
+) {
+    let arguments = ast_arguments.arguments;
+
+    if arguments.len() != 1 {
+        panic!("text context annotation must have one argument identifier")
+    }
+
+    let ast_input_file = arguments[0].to_owned();
+    let input_file = Identifier::from(ast_input_file);
+
+    test.input_file = Some(input_file);
+
+    tests.insert(test.function.identifier.clone(), test);
+}
diff --git a/typed/src/functions/test_function.rs b/typed/src/functions/test_function.rs
index cc20c13ad7..f82344afc2 100644
--- a/typed/src/functions/test_function.rs
+++ b/typed/src/functions/test_function.rs
@@ -1,13 +1,19 @@
-use crate::Function;
+use crate::{Function, Identifier};
 use leo_ast::functions::TestFunction as AstTestFunction;
 
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-pub struct TestFunction(pub Function);
+pub struct TestFunction {
+    pub function: Function,
+    pub input_file: Option<Identifier>,
+}
 
 impl<'ast> From<AstTestFunction<'ast>> for TestFunction {
     fn from(test: AstTestFunction) -> Self {
-        TestFunction(Function::from(test.function))
+        TestFunction {
+            function: Function::from(test.function),
+            input_file: None, // pass custom input file with `@context` annotation
+        }
     }
 }
diff --git a/typed/src/lib.rs b/typed/src/lib.rs
index c1d90de64c..e52df4e8cb 100644
--- a/typed/src/lib.rs
+++ b/typed/src/lib.rs
@@ -1,6 +1,9 @@
 //! A typed syntax tree is represented as a `Program` and consists of import, circuit, and function definitions.
 //! Each defined type consists of typed statements and expressions.
 
+pub mod annotation;
+pub use self::annotation::*;
+
 pub mod circuits;
 pub use self::circuits::*;
 
diff --git a/typed/src/program.rs b/typed/src/program.rs
index c4964ffd10..abe5cb8bf0 100644
--- a/typed/src/program.rs
+++ b/typed/src/program.rs
@@ -1,7 +1,7 @@
 //! A typed Leo program consists of import, circuit, and function definitions.
 //! Each defined type consists of typed statements and expressions.
 
-use crate::{Circuit, Function, Identifier, Import, InputVariable, TestFunction};
+use crate::{load_annotation, Circuit, Function, Identifier, Import, InputVariable, TestFunction};
 use leo_ast::{definitions::Definition, files::File};
 
 use serde::{Deserialize, Serialize};
@@ -47,7 +47,17 @@ impl<'ast> Program {
                 }
                 Definition::TestFunction(test_def) => {
                     let test = TestFunction::from(test_def);
-                    tests.insert(test.0.identifier.clone(), test);
+                    tests.insert(test.function.identifier.clone(), test);
+                }
+                Definition::Annotated(annotated_definition) => {
+                    load_annotation(
+                        annotated_definition,
+                        &mut imports,
+                        &mut circuits,
+                        &mut functions,
+                        &mut tests,
+                        &mut expected_input,
+                    );
                 }
             });