Add assertion errors; Write tests

src/error.rs

@@ -14,6 +14,15 @@ pub type Result<T> = std::result::Result<T, Error>;
 #[derive(Debug, Clone, PartialEq)]
 #[non_exhaustive]
 pub enum Error {
+    /// The 'assert' macro did not resolve successfully.
+    AssertEqualFailed {
+        expected: Value,
+        actual: Value,
+    },
+
+    /// The 'assert' macro did not resolve successfully.
+    AssertFailed,
+
     /// A row was inserted to a table with the wrong amount of values.
     WrongColumnAmount {
         expected: usize,
@@ -454,6 +463,8 @@ impl fmt::Display for Error {
         use Error::*;
 
         match self {
+            AssertEqualFailed {expected, actual } => write!(f, "Equality assertion failed. {expected} does not equal {actual}."),
+            AssertFailed => write!(f, "Assertion failed. A false value was passed to \"assert\"."),
             ExpectedOperatorArgumentAmount { expected, actual } => write!(
                 f,
                 "An operator expected {} arguments, but got {}.",

src/macros/gui.rs

@@ -66,7 +66,7 @@ impl Macro for BarGraph {
                             height = Some(float);
                         }
                     }
-                    Value::Integer(integer) => {}
+                    Value::Integer(_integer) => {}
                     Value::String(string) => name = Some(string),
                     Value::Boolean(_)
                     | Value::List(_)

src/macros/logic.rs

@@ -1,5 +1,55 @@
 use crate::{Error, Macro, MacroInfo, Result, Value, ValueType};
 
+
+pub struct Assert;
+
+impl Macro for Assert {
+    fn info(&self) -> MacroInfo<'static> {
+        MacroInfo {
+            identifier: "assert",
+            description: "Panic if a boolean is false.",
+            group: "test",
+            inputs: vec![],
+        }
+    }
+
+    fn run(&self, argument: &Value) -> Result<Value> {
+        let boolean = argument.as_boolean()?;
+
+        if boolean {        
+            Ok(Value::Empty)
+        } else {
+            Err(Error::AssertFailed)
+        }
+
+    }
+}
+
+pub struct AssertEqual;
+
+impl Macro for AssertEqual {
+    fn info(&self) -> MacroInfo<'static> {
+        MacroInfo {
+            identifier: "assert_equal",
+            description: "Panic if two values do not match.",
+            group: "test",
+            inputs: vec![],
+        }
+    }
+
+    fn run(&self, argument: &Value) -> Result<Value> {
+        let arguments = argument.as_fixed_len_list(2)?;
+
+        if arguments[0] == arguments[1] {
+        Ok(Value::Empty)
+            
+        } else {
+            Err(Error::AssertEqualFailed { expected: arguments[0].clone(), actual: arguments[1].clone() })
+        }
+
+    }
+}
+
 pub struct If;
 
 impl Macro for If {

src/macros/mod.rs

@@ -34,7 +34,6 @@ pub mod network;
 pub mod package_management;
 pub mod random;
 pub mod system;
-pub mod test;
 pub mod time;
 
 /// Master list of all macros.
@@ -94,8 +93,8 @@ pub const MACRO_LIST: [&'static dyn Macro; 56] = [
     &random::RandomInteger,
     &random::RandomString,
     &system::CpuSpeed,
-    &test::Assert,
-    &test::AssertEqual,
+    &logic::Assert,
+    &logic::AssertEqual,
     &time::Local,
     &time::Now,
 ];

src/macros/test.rs

@@ -1,42 +0,0 @@
-use crate::{Macro, MacroInfo, Result, Value};
-
-pub struct Assert;
-
-impl Macro for Assert {
-    fn info(&self) -> MacroInfo<'static> {
-        MacroInfo {
-            identifier: "assert",
-            description: "Panic if a boolean is false.",
-            group: "test",
-            inputs: vec![],
-        }
-    }
-
-    fn run(&self, argument: &Value) -> Result<Value> {
-        let boolean = argument.as_boolean()?;
-
-        assert!(boolean);
-
-        Ok(Value::Empty)
-    }
-}
-
-pub struct AssertEqual;
-
-impl Macro for AssertEqual {
-    fn info(&self) -> MacroInfo<'static> {
-        MacroInfo {
-            identifier: "assert_equal",
-            description: "Panic if two values do not match.",
-            group: "test",
-            inputs: vec![],
-        }
-    }
-
-    fn run(&self, argument: &Value) -> Result<Value> {
-        let arguments = argument.as_fixed_len_list(2)?;
-        assert_eq!(arguments[0], arguments[1]);
-
-        Ok(Value::Empty)
-    }
-}

tests/logic.rs

@@ -0,0 +1,28 @@
+use whale_lib::*;
+
+#[test]
+fn assert() {
+    eval("assert(true)").unwrap();
+    eval("assert(false)").unwrap_err();
+}
+
+#[test]
+fn assert_equal() {
+    eval("assert_eq(true, true)").unwrap();
+    eval("assert_eq(true, false)").unwrap_err();
+}
+
+#[test]
+fn r#if() {
+    eval("if(true, assert(true))").unwrap();
+
+    let value = eval("if(true, 1)").unwrap();
+
+    assert!(value.is_empty());
+}
+
+#[test]
+fn r#if_else() {
+    eval("if(true, assert(true), assert(false))").unwrap();
+    eval("if(false, assert(false), assert(true))").unwrap();
+}