logic-mesh 1.0.0

Control logic engine using event based and reactive blocks written in Rust.
Documentation 
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// Copyright (c) 2022-2023, Radu Racariu.

use uuid::Uuid;

use crate::base::{
    block::{Block, BlockDesc, BlockProps, BlockState},
    input::{InputProps, input_reader::InputReader},
    output::Output,
};

use libhaystack::val::{Value, kind::HaystackKind};

use crate::{blocks::InputImpl, blocks::OutputImpl};

/// Outputs the values of a dictionary.
#[block]
#[derive(BlockProps, Debug)]
#[category = "collections"]
pub struct Values {
    #[input(name = "input", kind = "Dict")]
    pub input: InputImpl,
    #[output(kind = "List")]
    pub out: OutputImpl,
}

impl Block for Values {
    async fn execute(&mut self) {
        self.read_inputs_until_ready().await;

        match self.input.get_value() {
            Some(Value::Dict(dict)) => self
                .out
                .set(dict.values().cloned().collect::<Vec<_>>().into()),
            _ => self.out.set(Vec::default().into()),
        }
    }
}

#[cfg(test)]
mod test {
    use libhaystack::dict;
    use libhaystack::val::Dict;
    use libhaystack::val::Value;

    use crate::{
        base::block::Block, base::block::test_utils::write_block_inputs,
        blocks::collections::Values,
    };

    #[tokio::test]
    async fn test_values_block() {
        let mut block = Values::new();

        write_block_inputs([(&mut block.input, Dict::default())]).await;
        block.execute().await;
        assert_eq!(block.out.value, vec![].into());

        write_block_inputs([(&mut block.input, dict! {"a" => 1})]).await;
        block.execute().await;
        assert_eq!(block.out.value, vec![1.into()].into());
    }
}