chrome-for-testing 0.2.1

Interact with the chrome-for-testing JSON API.
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
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
166
167
168
169
170
171
172
173
174

use crate::api::version::Version;
use crate::api::{Download, API_BASE_URL};
use crate::error::Result;
use serde::Deserialize;

/// JSON Example:
/// ```json
/// {
///     "version": "115.0.5763.0",
///     "revision": "1141961",
///     "downloads": {
///         "chrome": [
///             {
///                 "platform": "linux64",
///                 "url": "https://.../chrome-linux64.zip"
///             },
///             ...
///         ],
///         "chromedriver": [ /* <- Some versions don't have this field! */
///             {
///                 "platform": "linux64",
///                 "url": "https://.../chromedriver-linux64.zip"
///             },
///             ...
///         ]
///     }
/// },
/// ```
const KNOWN_GOOD_VERSIONS_WITH_DOWNLOADS_JSON_PATH: &str =
    "/chrome-for-testing/known-good-versions-with-downloads.json";

/// Download links for Chrome and ChromeDriver binaries.
#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
pub struct Downloads {
    /// Download links for Chrome binaries for various platforms.
    pub chrome: Vec<Download>,

    /// Download links for ChromeDriver binaries for various platforms.
    /// Note: Some older Chrome versions may not have ChromeDriver downloads available!
    pub chromedriver: Option<Vec<Download>>,
}

/// An entry of the "known good versions" API response, representing one version.
///
/// No `Channel` information is provided.
#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
pub struct VersionWithoutChannel {
    /// The version identifier.
    pub version: Version,

    /// The Chrome revision number.
    pub revision: String,

    /// Available downloads for this version.
    pub downloads: Downloads,
}

/// Response structure for the "known good versions" API endpoint.
///
/// Contains a comprehensive list of Chrome versions that have been tested and verified to work.
/// Unlike the "last known good versions" API, this includes all historical versions without
/// channel assignments.
#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
pub struct KnownGoodVersions {
    /// When this data was last updated.
    #[serde(with = "time::serde::rfc3339")]
    pub timestamp: time::OffsetDateTime,

    /// List of all known good Chrome versions.
    pub versions: Vec<VersionWithoutChannel>,
}

impl KnownGoodVersions {
    /// Fetches the list of all known good Chrome versions from the Chrome for Testing API.
    ///
    /// Returns a comprehensive list of Chrome versions that have been tested and verified to work.
    /// Unlike the "last known good versions" API, this includes all historical versions without
    /// channel assignments.
    pub async fn fetch(client: reqwest::Client) -> Result<Self> {
        Self::fetch_with_base_url(client, API_BASE_URL.clone()).await
    }

    pub async fn fetch_with_base_url(
        client: reqwest::Client,
        base_url: reqwest::Url,
    ) -> Result<Self> {
        let result = client
            .get(base_url.join(KNOWN_GOOD_VERSIONS_WITH_DOWNLOADS_JSON_PATH)?)
            .send()
            .await?
            .json::<Self>()
            .await?;
        Ok(result)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::api::known_good_versions::KnownGoodVersions;
    use crate::api::platform::Platform;
    use crate::api::version::Version;
    use crate::api::Download;
    use assertr::prelude::*;
    use time::macros::datetime;
    use url::Url;

    #[tokio::test]
    async fn can_request_from_real_world_endpoint() {
        let result = KnownGoodVersions::fetch(reqwest::Client::new()).await;
        assert_that(result).is_ok();
    }

    //noinspection DuplicatedCode
    #[tokio::test]
    async fn can_query_known_good_versions_api_endpoint_and_deserialize_response() {
        let mut server = mockito::Server::new_async().await;

        let _mock = server
            .mock("GET", KNOWN_GOOD_VERSIONS_WITH_DOWNLOADS_JSON_PATH)
            .with_status(200)
            .with_header("content-type", "application/json")
            .with_body(include_str!(
                "./../../test-data/known_good_versions_test_response.json"
            ))
            .create();

        let url: Url = server.url().parse().unwrap();

        let data = KnownGoodVersions::fetch_with_base_url(reqwest::Client::new(), url)
            .await
            .unwrap();

        assert_that(data).is_equal_to(KnownGoodVersions {
            timestamp: datetime!(2025-01-17 10:09:31.689 UTC),
            versions: vec![
                VersionWithoutChannel {
                    version: Version { major: 113, minor: 0, patch: 5672, build: 0 },
                    revision: String::from("1121455"),
                    downloads: Downloads {
                        chrome: vec![
                            Download { platform: Platform::Linux64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.0/linux64/chrome-linux64.zip") },
                            Download { platform: Platform::MacArm64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.0/mac-arm64/chrome-mac-arm64.zip") },
                            Download { platform: Platform::MacX64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.0/mac-x64/chrome-mac-x64.zip") },
                            Download { platform: Platform::Win32, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.0/win32/chrome-win32.zip") },
                            Download { platform: Platform::Win64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.0/win64/chrome-win64.zip") },
                        ],
                        chromedriver: None,
                    },
                },
                VersionWithoutChannel {
                    version: Version { major: 134, minor: 0, patch: 6962, build: 0 },
                    revision: String::from("1407692"),
                    downloads: Downloads {
                        chrome: vec![
                            Download { platform: Platform::Linux64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/linux64/chrome-linux64.zip") },
                            Download { platform: Platform::MacArm64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/mac-arm64/chrome-mac-arm64.zip") },
                            Download { platform: Platform::MacX64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/mac-x64/chrome-mac-x64.zip") },
                            Download { platform: Platform::Win32, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/win32/chrome-win32.zip") },
                            Download { platform: Platform::Win64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/win64/chrome-win64.zip") },
                        ],
                        chromedriver: Some(vec![
                            Download { platform: Platform::Linux64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/linux64/chromedriver-linux64.zip") },
                            Download { platform: Platform::MacArm64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/mac-arm64/chromedriver-mac-arm64.zip") },
                            Download { platform: Platform::MacX64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/mac-x64/chromedriver-mac-x64.zip") },
                            Download { platform: Platform::Win32, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/win32/chromedriver-win32.zip") },
                            Download { platform: Platform::Win64, url: String::from("https://storage.googleapis.com/chrome-for-testing-public/134.0.6962.0/win64/chromedriver-win64.zip") },
                        ]),
                    },
                },
            ],
        });
    }
}