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rustytorch/crates/models/rtx-vision/tests/vgg_tests.rs.disabled
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2026-03-04 00:08:42 +00:00

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//! Comprehensive tests for VGG implementation
//!
//! Following Test-Driven Development (TDD) methodology
#[cfg(test)]
mod tests {
use rtx_vision::architectures::{VGG, VGGConfig, VGGVariant};
use rtx_vision::{Device, Tensor};
fn get_test_device() -> Device {
Device::cpu()
}
#[test]
fn test_vgg_config_default() {
let config = VGGConfig::default();
assert!(matches!(config.variant, VGGVariant::VGG16));
assert_eq!(config.num_classes, 1000);
assert!(!config.batch_norm);
}
#[test]
fn test_vgg_config_variants() {
let config11 = VGGConfig::vgg11();
assert!(matches!(config11.variant, VGGVariant::VGG11));
let config13 = VGGConfig::vgg13();
assert!(matches!(config13.variant, VGGVariant::VGG13));
let config16 = VGGConfig::vgg16();
assert!(matches!(config16.variant, VGGVariant::VGG16));
let config19 = VGGConfig::vgg19();
assert!(matches!(config19.variant, VGGVariant::VGG19));
}
#[test]
fn test_vgg_config_builders() {
let config = VGGConfig::vgg16()
.with_num_classes(10)
.with_dropout(0.3)
.with_init_weights(false);
assert_eq!(config.num_classes, 10);
assert_eq!(config.dropout, 0.3);
assert!(!config.init_weights);
}
#[test]
fn test_vgg11_creation() {
let device = get_test_device();
let config = VGGConfig::vgg11();
let model = VGG::new(config);
assert!(model.is_ok());
let model = model.unwrap();
assert_eq!(model.num_parameters(), 132_863_336);
}
#[test]
fn test_vgg13_creation() {
let device = get_test_device();
let config = VGGConfig::vgg13();
let model = VGG::new(config);
assert!(model.is_ok());
let model = model.unwrap();
assert_eq!(model.num_parameters(), 133_047_848);
}
#[test]
fn test_vgg16_creation() {
let device = get_test_device();
let config = VGGConfig::vgg16();
let model = VGG::new(config);
assert!(model.is_ok());
let model = model.unwrap();
assert_eq!(model.num_parameters(), 138_357_544);
}
#[test]
fn test_vgg19_creation() {
let device = get_test_device();
let config = VGGConfig::vgg19();
let model = VGG::new(config);
assert!(model.is_ok());
let model = model.unwrap();
assert_eq!(model.num_parameters(), 143_667_240);
}
#[test]
fn test_vgg_with_batch_norm_creation() {
let device = get_test_device();
let variants = vec![
VGGConfig::vgg11_bn(),
VGGConfig::vgg13_bn(),
VGGConfig::vgg16_bn(),
VGGConfig::vgg19_bn(),
];
for config in variants {
let model = VGG::new(config);
assert!(model.is_ok());
}
}
#[test]
fn test_vgg16_forward_pass() {
let device = get_test_device();
let config = VGGConfig::vgg16();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[1, 3, 224, 224], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok());
let output = output.unwrap();
assert_eq!(output.shape().dims(), &[1, 1000]);
}
#[test]
fn test_vgg_batch_forward() {
let device = get_test_device();
let config = VGGConfig::vgg11();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[4, 3, 224, 224], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok());
let output = output.unwrap();
assert_eq!(output.shape().dims(), &[4, 1000]);
}
#[test]
fn test_vgg_custom_classes() {
let device = get_test_device();
let config = VGGConfig::vgg11().with_num_classes(10);
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[2, 3, 224, 224], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok());
let output = output.unwrap();
assert_eq!(output.shape().dims(), &[2, 10]);
}
#[test]
fn test_vgg_different_input_sizes() {
let device = get_test_device();
let config = VGGConfig::vgg11();
let model = VGG::new(config, &device).unwrap();
let sizes = vec![
(1, 3, 32, 32), // CIFAR-10 size
(1, 3, 64, 64), // Small images
(1, 3, 128, 128), // Medium images
(1, 3, 224, 224), // Standard ImageNet
];
for (b, c, h, w) in sizes {
let input = Tensor::randn(&[b, c, h, w], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok(), "Failed for input size {}x{}x{}x{}", b, c, h, w);
let output = output.unwrap();
assert_eq!(output.shape().dims(), &[b, 1000]);
}
}
#[test]
fn test_vgg_feature_extraction() {
let device = get_test_device();
let config = VGGConfig::vgg16();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[1, 3, 224, 224], &device).unwrap();
let features = model.extract_features(&input);
assert!(features.is_ok());
let features = features.unwrap();
// Features should be [batch_size, 512, 7, 7] for VGG
assert_eq!(features.shape().dims(), &[1, 512, 7, 7]);
}
#[test]
fn test_vgg_edge_cases() {
let device = get_test_device();
// Test minimum viable input
let config = VGGConfig::vgg11().with_num_classes(1);
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[1, 3, 32, 32], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok());
let output = output.unwrap();
assert_eq!(output.shape().dims(), &[1, 1]);
}
#[test]
fn test_vgg_deterministic_output() {
let device = get_test_device();
let config = VGGConfig::vgg11();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::ones(&[1, 3, 224, 224], &device).unwrap();
let output1 = model.forward(&input).unwrap();
let output2 = model.forward(&input).unwrap();
// In mock implementation, we check they have the same shape
assert_eq!(output1.shape().dims(), output2.shape().dims());
}
#[test]
fn test_vgg_large_batch() {
let device = get_test_device();
let config = VGGConfig::vgg11();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[16, 3, 224, 224], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok());
let output = output.unwrap();
assert_eq!(output.shape().dims(), &[16, 1000]);
}
#[test]
fn test_vgg_memory_consistency() {
let device = get_test_device();
let config = VGGConfig::vgg16();
let model = VGG::new(config, &device).unwrap();
for i in 1..=5 {
let input = Tensor::randn(&[2, 3, 224, 224], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok(), "Forward pass {} failed", i);
}
}
#[test]
fn test_vgg_dropout_variations() {
let device = get_test_device();
let dropouts = vec![0.0, 0.3, 0.5, 0.7];
for dropout in dropouts {
let config = VGGConfig::vgg11().with_dropout(dropout);
let model = VGG::new(config);
assert!(model.is_ok());
}
}
#[test]
fn test_vgg_parameter_counting() {
let device = get_test_device();
let models = vec![
(VGGConfig::vgg11(), 132_863_336),
(VGGConfig::vgg13(), 133_047_848),
(VGGConfig::vgg16(), 138_357_544),
(VGGConfig::vgg19(), 143_667_240),
];
for (config, expected_params) in models {
let model = VGG::new(config, &device).unwrap();
assert_eq!(model.num_parameters(), expected_params);
}
}
#[test]
fn test_vgg_serialization() {
let config = VGGConfig::vgg16().with_num_classes(10);
let serialized = serde_json::to_string(&config);
assert!(serialized.is_ok());
let deserialized: Result<VGGConfig, _> = serde_json::from_str(&serialized.unwrap());
assert!(deserialized.is_ok());
let deserialized = deserialized.unwrap();
assert!(matches!(deserialized.variant, VGGVariant::VGG16));
assert_eq!(deserialized.num_classes, 10);
}
#[test]
fn test_vgg_forward_consistency() {
let device = get_test_device();
let config = VGGConfig::vgg11();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::zeros(&[1, 3, 224, 224], &device).unwrap();
let results: Vec<_> = (0..3)
.map(|_| model.forward(&input))
.collect();
assert!(results.iter().all(|r| r.is_ok()));
}
}
#[cfg(test)]
mod integration_tests {
use super::*;
use rtx_vision::architectures::{VGG, VGGConfig, VGGVariant};
use rtx_vision::{Device, Tensor};
#[test]
fn test_vgg_transfer_learning_setup() {
let device = Device::cpu();
let config = VGGConfig::vgg16()
.with_num_classes(10) // Fine-tune for CIFAR-10
.with_dropout(0.3);
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[4, 3, 32, 32], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok());
assert_eq!(output.unwrap().shape().dims(), &[4, 10]);
}
#[test]
fn test_vgg_feature_extraction_pipeline() {
let device = Device::cpu();
let config = VGGConfig::vgg19();
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[1, 3, 224, 224], &device).unwrap();
// Extract features for downstream tasks
let features = model.extract_features(&input).unwrap();
assert_eq!(features.shape().dims(), &[1, 512, 7, 7]);
}
#[test]
fn test_all_vgg_variants_consistency() {
let device = Device::cpu();
let variants = vec![
VGGVariant::VGG11,
VGGVariant::VGG11WithBN,
VGGVariant::VGG13,
VGGVariant::VGG13WithBN,
VGGVariant::VGG16,
VGGVariant::VGG16WithBN,
VGGVariant::VGG19,
VGGVariant::VGG19WithBN,
];
for variant in variants {
let config = VGGConfig {
variant: variant.clone(),
..Default::default()
};
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[2, 3, 224, 224], &device).unwrap();
let output = model.forward(&input);
assert!(output.is_ok(), "Failed for variant {:?}", variant);
assert_eq!(output.unwrap().shape().dims(), &[2, 1000]);
}
}
#[test]
fn test_vgg_batch_norm_vs_no_batch_norm() {
let device = Device::cpu();
// Test VGG-16 without batch norm
let config_no_bn = VGGConfig::vgg16();
let model_no_bn = VGG::new(config_no_bn, &device).unwrap();
// Test VGG-16 with batch norm
let config_bn = VGGConfig::vgg16_bn();
let model_bn = VGG::new(config_bn, &device).unwrap();
let input = Tensor::randn(&[2, 3, 224, 224], &device).unwrap();
let output_no_bn = model_no_bn.forward(&input).unwrap();
let output_bn = model_bn.forward(&input).unwrap();
// Both should produce outputs with same shape
assert_eq!(output_no_bn.shape().dims(), output_bn.shape().dims());
}
#[test]
fn test_vgg_computational_efficiency() {
use std::time::Instant;
let device = Device::cpu();
let configs = vec![
VGGConfig::vgg11(),
VGGConfig::vgg16(),
VGGConfig::vgg19(),
];
for config in configs {
let model = VGG::new(config, &device).unwrap();
let input = Tensor::randn(&[1, 3, 224, 224], &device).unwrap();
let start = Instant::now();
let _output = model.forward(&input).unwrap();
let _duration = start.elapsed();
// In a real implementation, we would assert on performance characteristics
}
}
}