netcdf3 0.6.1

A pure Rust library for reading and writing NetCDF-3 files
Documentation 
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#![cfg(test)]

use crate::{DataSet, Variable};
#[test]
fn test_var_chunk_size() {
    const DIM_NAME_1: &str = "dim_1";
    const DIM_SIZE_1: usize = 1;
    const DIM_NAME_2: &str = "dim_2";
    const DIM_SIZE_2: usize = 2;
    const DIM_NAME_4: &str = "dim_4";
    const DIM_SIZE_4: usize = 4;
    const DIM_NAME_5: &str = "dim_5";
    const DIM_SIZE_5: usize = 5;

    const VAR_I8_1_NAME: &str = "var_i8_1";
    const VAR_I8_4_NAME: &str = "var_i8_4";
    const VAR_I8_5_NAME: &str = "var_i8_5";
    const VAR_I16_1_NAME: &str = "var_i16_1";
    const VAR_I16_2_NAME: &str = "var_i16_2";
    const VAR_I32_1_NAME: &str = "var_i32_1";

    let data_set: DataSet = {
        let mut data_set: DataSet = DataSet::new();
        data_set.add_fixed_dim(DIM_NAME_1, DIM_SIZE_1).unwrap();
        data_set.add_fixed_dim(DIM_NAME_2, DIM_SIZE_2).unwrap();
        data_set.add_fixed_dim(DIM_NAME_4, DIM_SIZE_4).unwrap();
        data_set.add_fixed_dim(DIM_NAME_5, DIM_SIZE_5).unwrap();

        data_set.add_var_i8(VAR_I8_1_NAME, &[DIM_NAME_1]).unwrap();
        data_set.add_var_i8(VAR_I8_4_NAME, &[DIM_NAME_4]).unwrap();
        data_set.add_var_i8(VAR_I8_5_NAME, &[DIM_NAME_5]).unwrap();
        data_set.add_var_i16(VAR_I16_1_NAME, &[DIM_NAME_1]).unwrap();
        data_set.add_var_i16(VAR_I16_2_NAME, &[DIM_NAME_2]).unwrap();
        data_set.add_var_i32(VAR_I32_1_NAME, &[DIM_NAME_1]).unwrap();

        data_set
    };

    assert_eq!(true, data_set.has_var(VAR_I8_1_NAME));
    assert_eq!(true, data_set.has_var(VAR_I8_4_NAME));
    assert_eq!(true, data_set.has_var(VAR_I8_5_NAME));
    assert_eq!(true, data_set.has_var(VAR_I16_1_NAME));
    assert_eq!(true, data_set.has_var(VAR_I16_2_NAME));
    assert_eq!(true, data_set.has_var(VAR_I32_1_NAME));

    assert_eq!(4, data_set.get_var(VAR_I8_1_NAME).unwrap().chunk_size());
    assert_eq!(4, data_set.get_var(VAR_I8_4_NAME).unwrap().chunk_size());
    assert_eq!(8, data_set.get_var(VAR_I8_5_NAME).unwrap().chunk_size());
    assert_eq!(4, data_set.get_var(VAR_I16_1_NAME).unwrap().chunk_size());
    assert_eq!(4, data_set.get_var(VAR_I16_2_NAME).unwrap().chunk_size());
    assert_eq!(4, data_set.get_var(VAR_I32_1_NAME).unwrap().chunk_size());
}

#[test]
fn test_var_len_per_chunk() {
    const UNLIM_DIM_NAME: &str = "unlim_dim";
    const UNLIM_DIM_SIZE: usize = 30;

    const FIXED_DIM_NAME_1: &str = "fixed_dim_1";
    const FIXED_DIM_SIZE_1: usize = 10;
    const FIXED_DIM_NAME_2: &str = "fixed_dim_2";
    const FIXED_DIM_SIZE_2: usize = 20;

    const VAR_NAME_1: &str = "var_1";
    const VAR_NAME_2: &str = "var_2";

    let data_set: DataSet = {
        let mut data_set: DataSet = DataSet::new();
        data_set
            .set_unlimited_dim(UNLIM_DIM_NAME, UNLIM_DIM_SIZE)
            .unwrap();
        data_set
            .add_fixed_dim(FIXED_DIM_NAME_1, FIXED_DIM_SIZE_1)
            .unwrap();
        data_set
            .add_fixed_dim(FIXED_DIM_NAME_2, FIXED_DIM_SIZE_2)
            .unwrap();

        data_set
            .add_var_i8(
                VAR_NAME_1,
                &[UNLIM_DIM_NAME, FIXED_DIM_NAME_1, FIXED_DIM_NAME_2],
            )
            .unwrap();
        data_set
            .add_var_i8(VAR_NAME_2, &[FIXED_DIM_NAME_1, FIXED_DIM_NAME_2])
            .unwrap();
        data_set
    };

    assert_eq!(true, data_set.has_var(VAR_NAME_1));
    let var_1: &Variable = data_set.get_var(VAR_NAME_1).unwrap();
    assert_eq!(
        UNLIM_DIM_SIZE * FIXED_DIM_SIZE_1 * FIXED_DIM_SIZE_2,
        var_1.len()
    );
    assert_eq!(true, var_1.is_record_var());
    assert_eq!(FIXED_DIM_SIZE_1 * FIXED_DIM_SIZE_2, var_1.chunk_len());

    assert_eq!(true, data_set.has_var(VAR_NAME_2));
    let var_2: &Variable = data_set.get_var(VAR_NAME_2).unwrap();
    assert_eq!(FIXED_DIM_SIZE_1 * FIXED_DIM_SIZE_2, var_2.len());
    assert_eq!(false, var_2.is_record_var());
    assert_eq!(FIXED_DIM_SIZE_1 * FIXED_DIM_SIZE_2, var_2.chunk_len());
}

#[test]
fn test_var_is_empty() {
    const UNLIM_DIM_NAME_0: &str = "unlim_dim_0";
    const UNLIM_DIM_SIZE_0: usize = 0;

    const UNLIM_DIM_NAME_1: &str = "unlim_dim_1";
    const UNLIM_DIM_SIZE_1: usize = 1;

    const VAR_NAME_0: &str = "var_0";
    const VAR_NAME_1: &str = "var_1";

    let data_set_0: DataSet = {
        let mut data_set: DataSet = DataSet::new();
        data_set
            .set_unlimited_dim(UNLIM_DIM_NAME_0, UNLIM_DIM_SIZE_0)
            .unwrap();

        data_set
            .add_var_i8(VAR_NAME_0, &[UNLIM_DIM_NAME_0])
            .unwrap();
        data_set
    };

    let data_set_1: DataSet = {
        let mut data_set: DataSet = DataSet::new();
        data_set
            .set_unlimited_dim(UNLIM_DIM_NAME_1, UNLIM_DIM_SIZE_1)
            .unwrap();

        data_set
            .add_var_i8(VAR_NAME_1, &[UNLIM_DIM_NAME_1])
            .unwrap();
        data_set
    };

    assert_eq!(true, data_set_0.has_var(VAR_NAME_0));
    assert_eq!(true, data_set_1.has_var(VAR_NAME_1));

    let var_0: &Variable = data_set_0.get_var(VAR_NAME_0).unwrap();
    let var_1: &Variable = data_set_1.get_var(VAR_NAME_1).unwrap();

    assert_eq!(0, var_0.len());
    assert!(var_0.is_empty());
    assert_eq!(1, var_1.len());
    assert!(!var_1.is_empty());
}

#[test]
fn test_default() {
    let data_set_new: DataSet = DataSet::new();
    let data_set_default: DataSet = DataSet::default();

    assert_eq!(0, data_set_new.num_dims());
    assert_eq!(0, data_set_default.num_dims());
}