streamweave 0.10.1

//! Tests for LogNode

use crate::node::{InputStreams, Node};
use crate::nodes::common::TestSender;
use crate::nodes::math::LogNode;
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
fn create_input_streams() -> (TestSender, TestSender, TestSender, InputStreams) {
  let (config_tx, config_rx) = mpsc::channel(10);
  let (in_tx, in_rx) = mpsc::channel(10);
  let (base_tx, base_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,
  );
  inputs.insert(
    "base".to_string(),
    Box::pin(ReceiverStream::new(base_rx)) as crate::node::InputStream,
  );

  (config_tx, in_tx, base_tx, inputs)
}

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

#[tokio::test]
async fn test_log_node_base_10() {
  let node = LogNode::new("test_log".to_string());

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

  // Send values: log10(100) = 2.0
  let _ = in_tx
    .send(Arc::new(100i32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_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_f64) = item.downcast::<f64>() {
            results.push(*arc_f64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert!((results[0] - 2.0).abs() < 1e-10);
}

#[tokio::test]
async fn test_log_node_base_2() {
  let node = LogNode::new("test_log".to_string());

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

  // Send values: log2(8) = 3.0
  let _ = in_tx
    .send(Arc::new(8i64) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(2i64) 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_f64) = item.downcast::<f64>() {
            results.push(*arc_f64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert!((results[0] - 3.0).abs() < 1e-10);
}

#[tokio::test]
async fn test_log_node_base_e() {
  let node = LogNode::new("test_log".to_string());

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

  // Send values: ln(e) = 1.0
  let _ = in_tx
    .send(Arc::new(std::f64::consts::E) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(std::f64::consts::E) 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_f64) = item.downcast::<f64>() {
            results.push(*arc_f64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert!((results[0] - 1.0).abs() < 1e-10);
}

#[tokio::test]
async fn test_log_node_f32() {
  let node = LogNode::new("test_log".to_string());

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

  // Send values: log2(4.0f32) = 2.0
  let _ = in_tx
    .send(Arc::new(4.0f32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(2.0f32) 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_f64) = item.downcast::<f64>() {
            results.push(*arc_f64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert!((results[0] - 2.0).abs() < 1e-10);
}

#[tokio::test]
async fn test_log_node_f64() {
  let node = LogNode::new("test_log".to_string());

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

  // Send values: log3(9.0) = 2.0
  let _ = in_tx
    .send(Arc::new(9.0f64) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(3.0f64) 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_f64) = item.downcast::<f64>() {
            results.push(*arc_f64);
            break;
          }
        } else {
          break;
        }
      }
      _ = &mut timeout => break,
    }
  }

  assert_eq!(results.len(), 1);
  assert!((results[0] - 2.0).abs() < 1e-10);
}

#[tokio::test]
async fn test_log_node_negative_value() {
  let node = LogNode::new("test_log".to_string());

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

  // Send negative value: should emit error
  let _ = in_tx
    .send(Arc::new(-10i32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(10i32) 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("Logarithm value must be positive"));
}

#[tokio::test]
async fn test_log_node_zero_value() {
  let node = LogNode::new("test_log".to_string());

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

  // Send zero value: should emit error
  let _ = in_tx
    .send(Arc::new(0i32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(10i32) 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("Logarithm value must be positive"));
}

#[tokio::test]
async fn test_log_node_invalid_base_zero() {
  let node = LogNode::new("test_log".to_string());

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

  // Send zero base: should emit error
  let _ = in_tx
    .send(Arc::new(10i32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(0i32) 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("Logarithm base must be positive and not equal to 1"));
}

#[tokio::test]
async fn test_log_node_invalid_base_one() {
  let node = LogNode::new("test_log".to_string());

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

  // Send base = 1: should emit error
  let _ = in_tx
    .send(Arc::new(10i32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(1i32) 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("Logarithm base must be positive and not equal to 1"));
}

#[tokio::test]
async fn test_log_node_negative_base() {
  let node = LogNode::new("test_log".to_string());

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

  // Send negative base: should emit error
  let _ = in_tx
    .send(Arc::new(10i32) as Arc<dyn Any + Send + Sync>)
    .await;
  let _ = base_tx
    .send(Arc::new(-10i32) 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("Logarithm base must be positive and not equal to 1"));
}

#[tokio::test]
async fn test_log_node_unsupported_type() {
  let node = LogNode::new("test_log".to_string());

  let (_config_tx, in_tx, base_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;
  let _ = base_tx
    .send(Arc::new(10i32) 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 logarithm"));
}