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fix: align Rust ML service with verified cargo build

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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Asep Haryana Saputra
2026-05-23 12:21:33 +00:00
co-authored by Claude Opus 4.7
parent e2e3addd66
commit e03c8a60fe
5 changed files with 2289 additions and 26 deletions
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apps/ml-service/src/image.rs
+6 -16
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@@ -15,10 +15,9 @@ use std::io::Cursor;
pub fn preprocess_image(bytes: &[u8], input_size: u32) -> Result<Array4<f32>, ServiceError> {
// Decode image from bytes
let cursor = Cursor::new(bytes);
let reader = ImageReader::new(cursor)
.map_err(|_| ServiceError::BadRequest("Uploaded file is not a valid image".to_string()))?;
let image = reader
let image = ImageReader::new(cursor)
.with_guessed_format()
.map_err(|_| ServiceError::BadRequest("Uploaded file is not a valid image".to_string()))?
.decode()
.map_err(|_| ServiceError::BadRequest("Uploaded file is not a valid image".to_string()))?;
@@ -91,18 +90,9 @@ mod tests {
// After resizing 2x1 to 2x2, we expect interpolation
// Check that first pixel channel values are present (at least the first row)
// The exact values depend on interpolation, but we can verify the structure
let first_batch = &array.slice(ndarray::s![0, .., .., ..]);
assert_eq!(first_batch.shape(), &[2, 2, 3]);
// Verify first pixel (0, 0) has 3 channels
let pixel_0_0 = &first_batch.slice(ndarray::s![0, 0, ..]);
assert_eq!(pixel_0_0.len(), 3);
// The first pixel should be close to [10, 20, 30] (may be interpolated)
// We'll just verify it's in a reasonable range
assert!(pixel_0_0[0] >= 5.0 && pixel_0_0[0] <= 25.0);
assert!(pixel_0_0[1] >= 15.0 && pixel_0_0[1] <= 35.0);
assert!(pixel_0_0[2] >= 25.0 && pixel_0_0[2] <= 45.0);
assert_eq!(array[[0, 0, 0, 0]], 10.0);
assert_eq!(array[[0, 0, 0, 1]], 20.0);
assert_eq!(array[[0, 0, 0, 2]], 30.0);
}
#[test]