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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
//! Parses output of [libtest](https://github.com/rust-lang/rust/blob/master/library/test/src/formatters/json.rs).
//!
//! Since this module parses output in an unstable format, all structs in this module may change at any time, and are exempt from semver guarantees.
use serde::{Deserialize, Serialize};
/// Suite related event
#[derive(Debug, PartialEq, Deserialize, Serialize)]
#[serde(tag = "event")]
#[serde(rename_all = "lowercase")]
/// Suite event
pub enum SuiteEvent {
/// emitted on the start of a test run, and the start of the doctests
Started {
/// number of tests in this suite
test_count: usize,
},
/// the suite has finished
Ok {
/// the number of tests that passed
passed: usize,
/// the number of tests that failed
failed: usize,
/// number of tests that were ignored
ignored: usize,
/// number of benchmarks run
measured: usize,
/// i think this is based on what you specify in the cargo test argument
filtered_out: usize,
/// how long the suite took to run
exec_time: f32,
},
/// the suite has at least one failing test
Failed {
/// the number of tests that passed
passed: usize,
/// the number of tests that failed
failed: usize,
/// number of tests that were ignored
ignored: usize,
/// i think its something to do with benchmarks?
measured: usize,
/// i think this is based on what you specify in the cargo test argument
filtered_out: usize,
/// how long the suite took to run
exec_time: f32,
},
}
#[derive(Debug, PartialEq, Deserialize, Serialize)]
#[serde(tag = "event")]
#[serde(rename_all = "lowercase")]
/// Test event
pub enum TestEvent {
/// a new test starts
Started {
/// the name of this test
name: String,
},
/// the test has finished
Ok {
/// which one
name: String,
/// in how long
exec_time: f32,
/// what did it say?
stdout: Option<String>,
},
/// the test has failed
Failed {
/// which one
name: String,
/// in how long
exec_time: f32,
/// why?
stdout: Option<String>,
/// it timed out?
reason: Option<String>,
/// what message
message: Option<String>,
},
/// the test has been ignored
Ignored {
/// which one
name: String,
},
/// the test has timed out
Timeout {
/// which one
name: String,
},
}
impl TestEvent {
/// Get the name of this test
pub fn name(&self) -> &str {
let (Self::Started { name }
| Self::Ok { name, .. }
| Self::Ignored { name }
| Self::Failed { name, .. }
| Self::Timeout { name }) = self;
name
}
/// Get the stdout of this test, if available.
pub fn stdout(&self) -> Option<&str> {
match self {
Self::Ok { stdout, .. } | Self::Failed { stdout, .. } => stdout.as_deref(),
_ => None,
}
}
}
#[derive(Debug, PartialEq, Deserialize, Serialize)]
/// Represents the output of `cargo test -- -Zunstable-options --report-time --show-output --format json`.
///
/// requires --report-time
///
/// # Stability
///
/// As this struct is for interfacing with the unstable libtest json output, this struct may change at any time, without semver guarantees.
#[serde(tag = "type")]
#[serde(rename_all = "lowercase")]
pub enum TestMessage {
/// suite related message
Suite(SuiteEvent),
/// test related message
Test(TestEvent),
/// bench related message
Bench {
/// name of benchmark
name: String,
/// distribution
median: f32,
/// deviation
deviation: f32,
/// thruput in MiB per second
mib_per_second: Option<f32>,
},
}
#[test]
fn deser() {
macro_rules! run {
($($input:literal parses to $output:expr),+) => {
$(assert_eq!(dbg!(serde_json::from_str::<TestMessage>($input)).unwrap(), $output);)+
};
}
run![
r#"{ "type": "suite", "event": "started", "test_count": 2 }"# parses to TestMessage::Suite(SuiteEvent::Started { test_count: 2 }),
r#"{ "type": "test", "event": "started", "name": "fail" }"# parses to TestMessage::Test(TestEvent::Started { name: "fail".into() }),
r#"{ "type": "test", "name": "fail", "event": "ok", "exec_time": 0.000003428, "stdout": "hello world" }"# parses to TestMessage::Test(TestEvent::Ok { name: "fail".into(), exec_time: 0.000003428, stdout: Some("hello world".into()) }),
r#"{ "type": "test", "event": "started", "name": "nope" }"# parses to TestMessage::Test(TestEvent::Started { name: "nope".into() }),
r#"{ "type": "test", "name": "nope", "event": "ignored" }"# parses to TestMessage::Test(TestEvent::Ignored { name: "nope".into() }),
r#"{ "type": "suite", "event": "ok", "passed": 1, "failed": 0, "ignored": 1, "measured": 0, "filtered_out": 0, "exec_time": 0.000684028 }"# parses to TestMessage::Suite(SuiteEvent::Ok { passed: 1, failed: 0, ignored: 1, measured: 0, filtered_out: 0, exec_time: 0.000684028 })
];
run![
r#"{ "type": "suite", "event": "started", "test_count": 2 }"# parses to TestMessage::Suite(SuiteEvent::Started { test_count: 2 }),
r#"{ "type": "test", "event": "started", "name": "fail" }"# parses to TestMessage::Test(TestEvent::Started { name: "fail".into() }),
r#"{ "type": "test", "event": "started", "name": "benc" }"# parses to TestMessage::Test(TestEvent::Started { name: "benc".into() }),
r#"{ "type": "bench", "name": "benc", "median": 0, "deviation": 0 }"# parses to TestMessage::Bench { name: "benc".into(), median: 0., deviation: 0., mib_per_second: None },
r#"{ "type": "test", "name": "fail", "event": "failed", "exec_time": 0.000081092, "stdout": "thread 'fail' panicked" }"# parses to TestMessage::Test(TestEvent::Failed { name: "fail".into(), exec_time: 0.000081092, stdout: Some("thread 'fail' panicked".into()), reason: None, message: None} ),
r#"{ "type": "suite", "event": "failed", "passed": 0, "failed": 1, "ignored": 0, "measured": 1, "filtered_out": 0, "exec_time": 0.000731068 }"# parses to TestMessage::Suite(SuiteEvent::Failed { passed: 0, failed: 1, ignored: 0, measured: 1, filtered_out: 0, exec_time: 0.000731068 })
];
}
|
