p-test 1.0.2

p-test provides procedural macro to help you write parameterized tests easily.
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

use p_test::p_test;

fn sum(a: i32, b: i32) -> i32 {
    a + b
}

#[p_test(
    sum_1_1, (1, 1, 2),
    sum_1_2, (1, 2, 3),
    sum_2_2, (2, 2, 4),
    sum_2_3, (2, 3, 5),
)]
fn test_sum_case_name_ident(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

#[p_test(
    "sum(1,1)", (1, 1, 2),
    "sum(1,2)", (1, 2, 3),
    "sum(2,2)", (2, 2, 4),
    "sum(2,3)", (2, 3, 5),
)]
fn test_sum_case_name_litstr(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

#[p_test(
    sum_1_1, ((1, 1), 2),
    sum_1_2, ((1, 2), 3),
    sum_2_2, ((2, 2), 4),
    sum_2_3, ((2, 3), 5),
)]
fn test_sum_case_name_nested_tuple((a, b): (i32, i32), expected: i32) {
    assert_eq!(sum(a, b), expected);
}

#[p_test(
    (1, 1, 2),
    (1, 2, 3),
    (2, 2, 4),
    (2, 3, 5),
)]
fn test_sum_no_case_name(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

#[p_test(
    ((1, 1), 2),
    ((1, 2), 3),
    ((2, 2), 4),
    ((2, 3), 5),
)]
fn test_sum_no_case_name_nested_tuple((a, b): (i32, i32), expected: i32) {
    assert_eq!(sum(a, b), expected);
}

#[p_test(
    (1, 1, 2),
    (1, 2, 3),
    (2, 2, 4),
    (2, 3, 5),
    (5, 6, 11),
    (7, 4, 11),
    (8, 3, 11),
    (9, 2, 11),
    (10, 1, 11),
    (11, 0, 11),
    (12, -1, 11),
    (13, -2, 11),
)]
fn test_sum_more_than_10_cases_without_name(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

/// use_args_for_case_name is true
#[p_test(
    use_args_for_case_name = true,
    (1, 1, 2),
    (1, 2, 3),
    (2, 2, 4),
    (2, 3, 5),
)]
fn test_sum_use_args_for_case_name(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

/// use_args_for_case_name is true
/// use_args_for_case_name should be ignored if case name is provided
#[p_test(
    use_args_for_case_name = true,
    t1, (1, 1, 2),
    t2, (1, 2, 3),
    t3, (2, 2, 4),
    t4, (2, 3, 5),
)]
fn test_sum_use_args_for_case_name_but_case_name_specified(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

/// use_args_for_case_name is false
#[p_test(
    use_args_for_case_name = false,
    (1, 1, 2),
    (1, 2, 3),
    (2, 2, 4),
    (2, 3, 5),
)]
fn test_sum_use_args_for_case_name_false(a: i32, b: i32, expected: i32) {
    assert_eq!(sum(a, b), expected);
}

#[p_test(
    ("hello", 'h'),
    ("world", 'w'),
)]
fn test_string_to_first_char(s: &str, expected: char) {
    assert_eq!(s.chars().next().unwrap(), expected);
}

#[p_test(
    use_args_for_case_name = true,
    ("hello", 'h'),
    ("world", 'w'),
)]
fn test_string_to_first_char_use_args_for_case_name(s: &str, expected: char) {
    assert_eq!(s.chars().next().unwrap(), expected);
}

/// Parameterized test with no arguments.
/// This is possible, but not useful.
#[p_test(
    use_args_for_case_name = true,
    (),
    (),
    (),
)]
fn dummy_test_with_no_args() {}