omg_serde 0.1.0

Adds serde support to omg_core.
Documentation 
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

use crate::data::math::generator::gradient::GradientSerde;
use crate::data::math::generator::noise::NoiseSerde;
use crate::data::math::interpolation::vector::VectorInterpolatorSerde;
use anyhow::{Context, Result};
use omg_core::data::math::generator::generator1d::Generator1d;
use serde::{Deserialize, Serialize};

#[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
pub enum Generator1dSerde {
    AbsoluteGradient(GradientSerde),
    Gradient(GradientSerde),
    InputAsOutput,
    InterpolateVector(VectorInterpolatorSerde<u32, u8>),
    Noise1d(NoiseSerde),
}

type S = Generator1dSerde;
type R = Generator1d;

impl Generator1dSerde {
    pub fn try_convert(self) -> Result<Generator1d> {
        match self {
            S::AbsoluteGradient(gradient) => {
                let gradient = gradient
                    .try_convert()
                    .context("Failed to convert to Generator1d::AbsoluteGradient!")?;
                Ok(R::AbsoluteGradient(gradient))
            }
            S::Gradient(gradient) => {
                let gradient = gradient
                    .try_convert()
                    .context("Failed to convert to Generator1d::Gradient!")?;
                Ok(R::Gradient(gradient))
            }
            S::InputAsOutput => Ok(R::InputAsOutput),
            S::InterpolateVector(interpolator) => {
                let interpolator = interpolator
                    .try_convert()
                    .context("Failed to convert to Generator1d::InterpolateVector!")?;
                Ok(R::InterpolateVector(interpolator))
            }
            Generator1dSerde::Noise1d(noise) => {
                let noise = noise
                    .try_convert()
                    .context("Failed to convert to Generator1d::Noise1d!")?;
                Ok(R::Noise1d(noise))
            }
        }
    }
}

impl From<&Generator1d> for Generator1dSerde {
    fn from(generator: &Generator1d) -> Self {
        match generator {
            R::AbsoluteGradient(gradient) => S::AbsoluteGradient(gradient.into()),
            R::Gradient(gradient) => S::Gradient(gradient.into()),
            R::InputAsOutput => S::InputAsOutput,
            R::InterpolateVector(interpolator) => S::InterpolateVector(interpolator.into()),
            R::Noise1d(noise) => S::Noise1d(noise.into()),
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use omg_core::data::math::generator::gradient::Gradient;
    use omg_core::data::math::interpolation::vector::VectorInterpolator;

    #[test]
    fn test_convert_gradient() {
        let gradient = Gradient::new(1000, 500, 0, 255).unwrap();

        assert_eq(R::AbsoluteGradient(gradient));
        assert_eq(R::Gradient(gradient));
    }

    #[test]
    fn test_convert_input_as_output() {
        assert_eq(R::InputAsOutput);
    }

    #[test]
    fn test_convert_interpolate_vector() {
        let interpolator =
            VectorInterpolator::new(vec![(100, 150), (150, 200), (200, 100)]).unwrap();
        assert_eq(R::InterpolateVector(interpolator));
    }

    fn assert_eq(start: Generator1d) {
        let serde: Generator1dSerde = (&start).into();

        assert_eq!(serde.try_convert().unwrap(), start)
    }
}