google-cloud-wkt 1.3.0

Google Cloud Client Libraries for Rust - Well Known Types
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

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#[cfg(test)]
mod tests {
    use common::MessageWithNullValue;
    use google_cloud_wkt::NullValue;
    use serde_json::{Value, json};
    use test_case::test_case;
    type Result = anyhow::Result<()>;

    #[test_case(MessageWithNullValue::new(), json!({}))]
    #[test_case(MessageWithNullValue::new().set_singular(NullValue), json!({}))]
    #[test_case(MessageWithNullValue::new().set_optional(NullValue), json!({"optional": null}))]
    #[test_case(MessageWithNullValue::new().set_repeated([NullValue]), json!({"repeated": [null]}))]
    #[test_case(MessageWithNullValue::new().set_map([("a", NullValue), ("b", NullValue)]), json!({"map": {"a": null, "b": null}}))]
    fn test_ser(input: MessageWithNullValue, want: Value) -> Result {
        let got = serde_json::to_value(input)?;
        assert_eq!(got, want);
        Ok(())
    }

    #[test_case(MessageWithNullValue::new(), json!({}))]
    #[test_case(MessageWithNullValue::new().set_singular(NullValue), json!({"singular": null}))]
    #[test_case(MessageWithNullValue::new().set_optional(NullValue), json!({"optional": null}))]
    #[test_case(MessageWithNullValue::new().set_repeated([NullValue]), json!({"repeated": [null]}))]
    #[test_case(MessageWithNullValue::new().set_map([("a", NullValue), ("b", NullValue)]), json!({"map": {"a": null, "b": null}}))]
    fn test_de(want: MessageWithNullValue, input: Value) -> Result {
        let got = serde_json::from_value::<MessageWithNullValue>(input)?;
        assert_eq!(got, want);
        Ok(())
    }

    #[test_case(r#"{"singular": null}"#)]
    // This is special: #[test_case(r#"{"optional": null}"#)]
    #[test_case(r#"{"repeated": null}"#)]
    #[test_case(r#"{"map":      null}"#)]
    fn test_null_is_default(input: &str) -> Result {
        let got = serde_json::from_str::<MessageWithNullValue>(input)?;
        assert_eq!(got, MessageWithNullValue::default());
        Ok(())
    }

    #[test_case(r#"{"singular": null, "singular": null}"#)]
    #[test_case(r#"{"optional": null, "optional": null}"#)]
    #[test_case(r#"{"repeated": [],   "repeated": []}"#)]
    #[test_case(r#"{"map":      {},   "map":      {}}"#)]
    fn reject_duplicate_fields(input: &str) -> Result {
        let err = serde_json::from_str::<MessageWithNullValue>(input).unwrap_err();
        assert!(err.is_data(), "{err:?}");
        Ok(())
    }
}