1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69

pub mod decoder;
pub mod encoder;

#[cfg(test)]
mod tests {
    use crate::codec::{
        wire::{decoder::Decode, encoder::Encode},
        CodecError,
    };
    use re_chunk::{Chunk, RowId};
    use re_log_types::{example_components::MyPoint, Timeline};
    use re_protos::{common::v0::EncoderVersion, remote_store::v0::DataframePart};

    fn get_test_chunk() -> Chunk {
        let row_id1 = RowId::new();
        let row_id2 = RowId::new();

        let timepoint1 = [
            (Timeline::log_time(), 100),
            (Timeline::new_sequence("frame"), 1),
        ];
        let timepoint2 = [
            (Timeline::log_time(), 104),
            (Timeline::new_sequence("frame"), 1),
        ];

        let points1 = &[MyPoint::new(1.0, 1.0)];
        let points2 = &[MyPoint::new(2.0, 2.0)];

        Chunk::builder("mypoints".into())
            .with_component_batches(row_id1, timepoint1, [points1 as _])
            .with_component_batches(row_id2, timepoint2, [points2 as _])
            .build()
            .unwrap()
    }

    #[test]
    fn test_invalid_data() {
        let data = vec![2, 3, 4];
        let dataframe_part = DataframePart {
            encoder_version: EncoderVersion::V0 as i32,
            payload: data.clone(),
        };
        let decoded = dataframe_part.decode();

        let error = decoded.err().unwrap();
        assert!(
            matches!(error, CodecError::ArrowDeserialization(_)),
            "Expected CodecError::ArrowDeserialization; got {error:?}"
        );
    }

    #[test]
    fn test_v0_codec() {
        let expected_chunk = get_test_chunk();

        let encoded: DataframePart = expected_chunk
            .clone()
            .to_transport()
            .unwrap()
            .encode()
            .unwrap();

        let decoded = encoded.decode().unwrap();
        let decoded_chunk = Chunk::from_record_batch(decoded).unwrap();

        assert_eq!(expected_chunk, decoded_chunk);
    }
}