streamweave 0.10.1

//! Tests for RoundNode

use crate::node::{InputStreams, Node};
use crate::nodes::common::TestSender;
use crate::nodes::math::RoundNode;
use std::any::Any;
use std::collections::HashMap;
use std::sync::Arc;
use tokio::sync::mpsc;
use tokio_stream::{StreamExt, wrappers::ReceiverStream};

/// Helper to create input streams from channels for single input nodes
fn create_input_streams() -> (TestSender, TestSender, InputStreams) {
  let (config_tx, config_rx) = mpsc::channel(10);
  let (in_tx, in_rx) = mpsc::channel(10);

  let mut inputs = HashMap::new();
  inputs.insert(
    "configuration".to_string(),
    Box::pin(ReceiverStream::new(config_rx)) as crate::node::InputStream,
  );
  inputs.insert(
    "in".to_string(),
    Box::pin(ReceiverStream::new(in_rx)) as crate::node::InputStream,
  );

  (config_tx, in_tx, inputs)
}

#[tokio::test]
async fn test_round_node_creation() {
  let node = RoundNode::new("test_round".to_string());
  assert_eq!(node.name(), "test_round");
  assert!(node.has_input_port("configuration"));
  assert!(node.has_input_port("in"));
  assert!(node.has_output_port("out"));
  assert!(node.has_output_port("error"));
}

#[tokio::test]
async fn test_round_node_i32() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(10) = 10
  let _ = in_tx
    .send(Arc::new(10i32) as Arc<dyn Any + Send + Sync>)
    .await;

  // Collect results
  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i32) = item.downcast::<i32>() {
            results.push(*arc_i32);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 10);
}

#[tokio::test]
async fn test_round_node_i64() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(100_000_000_000i64) = 100_000_000_000i64
  let _ = in_tx
    .send(Arc::new(100_000_000_000i64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 100_000_000_000i64);
}

#[tokio::test]
async fn test_round_node_u32() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(5u32) = 5u32
  let _ = in_tx
    .send(Arc::new(5u32) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_u32) = item.downcast::<u32>() {
            results.push(*arc_u32);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 5u32);
}

#[tokio::test]
async fn test_round_node_u64() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(1_000_000_000_000u64) = 1_000_000_000_000u64
  let _ = in_tx
    .send(Arc::new(1_000_000_000_000u64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_u64) = item.downcast::<u64>() {
            results.push(*arc_u64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 1_000_000_000_000u64);
}

#[tokio::test]
async fn test_round_node_f32_up() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(3.6f32) = 4
  let _ = in_tx
    .send(Arc::new(3.6f32) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 4i64);
}

#[tokio::test]
async fn test_round_node_f32_down() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(3.4f32) = 3
  let _ = in_tx
    .send(Arc::new(3.4f32) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 3i64);
}

#[tokio::test]
async fn test_round_node_f32_half() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(3.5f32) = 4 (round half away from zero)
  let _ = in_tx
    .send(Arc::new(3.5f32) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 4i64);
}

#[tokio::test]
async fn test_round_node_f64_up() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(3.6f64) = 4
  let _ = in_tx
    .send(Arc::new(3.6f64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 4i64);
}

#[tokio::test]
async fn test_round_node_f64_down() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(3.4f64) = 3
  let _ = in_tx
    .send(Arc::new(3.4f64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 3i64);
}

#[tokio::test]
async fn test_round_node_f64_half() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(3.5f64) = 4 (round half away from zero)
  let _ = in_tx
    .send(Arc::new(3.5f64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 4i64);
}

#[tokio::test]
async fn test_round_node_f64_negative() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(-3.6f64) = -4
  let _ = in_tx
    .send(Arc::new(-3.6f64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], -4i64);
}

#[tokio::test]
async fn test_round_node_f64_zero() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send value: round(0.0f64) = 0
  let _ = in_tx
    .send(Arc::new(0.0f64) as Arc<dyn Any + Send + Sync>)
    .await;

  let out_stream = outputs.remove("out").unwrap();
  let mut results = Vec::new();
  let mut stream = out_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_i64) = item.downcast::<i64>() {
            results.push(*arc_i64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert_eq!(results[0], 0i64);
}

#[tokio::test]
async fn test_round_node_unsupported_type() {
  let node = RoundNode::new("test_round".to_string());

  let (_config_tx, in_tx, inputs) = create_input_streams();
  let outputs_future = node.execute(inputs);
  let mut outputs = outputs_future.await.unwrap();

  // Send unsupported type (String)
  let _ = in_tx
    .send(Arc::new("hello".to_string()) as Arc<dyn Any + Send + Sync>)
    .await;

  // Collect errors
  let error_stream = outputs.remove("error").unwrap();
  let mut errors = Vec::new();
  let mut stream = error_stream;
  let timeout = tokio::time::sleep(tokio::time::Duration::from_millis(200));
  tokio::pin!(timeout);

  loop {
    tokio::select! {
      result = stream.next() => {
        if let Some(item) = result {
          if let Ok(arc_string) = item.downcast::<String>() {
            errors.push(arc_string.clone());
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(errors.len(), 1);
  assert!(errors[0].contains("Unsupported type for rounding"));
}