oxicode 0.2.2

A modern binary serialization library - successor to bincode
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

//! Tests that derived structs work correctly with compression.

#![allow(
    clippy::approx_constant,
    clippy::useless_vec,
    clippy::len_zero,
    clippy::unnecessary_cast,
    clippy::redundant_closure,
    clippy::too_many_arguments,
    clippy::type_complexity,
    clippy::needless_borrow,
    clippy::enum_variant_names,
    clippy::upper_case_acronyms,
    clippy::inconsistent_digit_grouping,
    clippy::unit_cmp,
    clippy::assertions_on_constants,
    clippy::iter_on_single_items,
    clippy::expect_fun_call,
    clippy::redundant_pattern_matching,
    variant_size_differences,
    clippy::absurd_extreme_comparisons,
    clippy::nonminimal_bool,
    clippy::for_kv_map,
    clippy::needless_range_loop,
    clippy::single_match,
    clippy::collapsible_if,
    clippy::needless_return,
    clippy::redundant_clone,
    clippy::map_entry,
    clippy::match_single_binding,
    clippy::bool_comparison,
    clippy::derivable_impls,
    clippy::manual_range_contains,
    clippy::needless_borrows_for_generic_args,
    clippy::manual_map,
    clippy::vec_init_then_push,
    clippy::identity_op,
    clippy::manual_flatten,
    clippy::single_char_pattern,
    clippy::search_is_some,
    clippy::option_map_unit_fn,
    clippy::while_let_on_iterator,
    clippy::clone_on_copy,
    clippy::box_collection,
    clippy::redundant_field_names,
    clippy::ptr_arg,
    clippy::large_enum_variant,
    clippy::match_ref_pats,
    clippy::needless_pass_by_value,
    clippy::unused_unit,
    clippy::let_and_return,
    clippy::suspicious_else_formatting,
    clippy::manual_strip,
    clippy::match_like_matches_macro,
    clippy::from_over_into,
    clippy::wrong_self_convention,
    clippy::inherent_to_string,
    clippy::new_without_default,
    clippy::unnecessary_wraps,
    clippy::field_reassign_with_default,
    clippy::manual_find,
    clippy::unnecessary_lazy_evaluations,
    clippy::should_implement_trait,
    clippy::missing_safety_doc,
    clippy::unusual_byte_groupings,
    clippy::bool_assert_comparison,
    clippy::zero_prefixed_literal,
    clippy::await_holding_lock,
    clippy::manual_saturating_arithmetic,
    clippy::explicit_counter_loop,
    clippy::needless_lifetimes,
    clippy::single_component_path_imports,
    clippy::uninlined_format_args,
    clippy::iter_cloned_collect,
    clippy::manual_str_repeat,
    clippy::excessive_precision,
    clippy::precedence,
    clippy::unnecessary_literal_unwrap
)]
#[cfg(any(feature = "compression-lz4", feature = "compression-zstd"))]
mod compression_derive_tests {
    use oxicode::{compression, compression::Compression, Decode, Encode};

    #[derive(Debug, PartialEq, Encode, Decode)]
    struct LargeData {
        name: String,
        values: Vec<u64>,
        metadata: Vec<String>,
    }

    #[derive(Debug, PartialEq, Encode, Decode)]
    enum Command {
        Store { key: String, value: Vec<u8> },
        Delete(String),
        List,
    }

    #[cfg(feature = "compression-lz4")]
    #[test]
    fn test_derived_struct_lz4_roundtrip() {
        let data = LargeData {
            name: "test".to_string(),
            values: (0..1000).map(|i| i * i).collect(),
            metadata: (0..50).map(|i| format!("meta_{}", i)).collect(),
        };
        let enc = oxicode::encode_to_vec(&data).expect("encode");
        let compressed = compression::compress(&enc, Compression::Lz4).expect("compress");
        let decompressed = compression::decompress(&compressed).expect("decompress");
        let (dec, _): (LargeData, _) = oxicode::decode_from_slice(&decompressed).expect("decode");
        assert_eq!(data, dec);
        // Should actually compress
        assert!(
            compressed.len() < enc.len(),
            "compression should reduce size for repetitive data"
        );
    }

    #[cfg(feature = "compression-lz4")]
    #[test]
    fn test_derived_enum_lz4_roundtrip() {
        let cmds = vec![
            Command::Store {
                key: "key1".to_string(),
                value: vec![1, 2, 3],
            },
            Command::Delete("key2".to_string()),
            Command::List,
        ];
        for cmd in cmds {
            let enc = oxicode::encode_to_vec(&cmd).expect("encode");
            let compressed = compression::compress(&enc, Compression::Lz4).expect("compress");
            let decompressed = compression::decompress(&compressed).expect("decompress");
            let (dec, _): (Command, _) = oxicode::decode_from_slice(&decompressed).expect("decode");
            assert_eq!(cmd, dec);
        }
    }
}