google-cloud-wkt 1.3.0

Google Cloud Client Libraries for Rust - Well Known Types
Documentation 
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// 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::MessageWithValue;
    use google_cloud_wkt::Value;
    use serde_json::json;
    use test_case::test_case;
    type Result = anyhow::Result<()>;

    #[test_case(MessageWithValue::new(), json!({}))]
    #[test_case(MessageWithValue::new().set_singular(Value::Null), json!({"singular": null}))]
    #[test_case(MessageWithValue::new().set_singular("abc"), json!({"singular": "abc"}))]
    #[test_case(MessageWithValue::new().set_singular(1), json!({"singular": 1}))]
    #[test_case(MessageWithValue::new().set_optional(Value::Null), json!({"optional": null}))]
    #[test_case(MessageWithValue::new().set_optional("abc"), json!({"optional": "abc"}))]
    #[test_case(MessageWithValue::new().set_optional(1), json!({"optional": 1}))]
    #[test_case(MessageWithValue::new().set_repeated([Value::Null; 0]), json!({}))]
    #[test_case(MessageWithValue::new().set_repeated([Value::Null]), json!({"repeated": [null]}))]
    #[test_case(MessageWithValue::new().set_map([("", Value::Null); 0]), json!({}))]
    #[test_case(MessageWithValue::new().set_map([("null", Value::Null), ("1", json!(1))]), json!({"map": {"null": null, "1": 1}}))]
    fn test_ser(input: MessageWithValue, want: Value) -> Result {
        let got = serde_json::to_value(input)?;
        assert_eq!(got, want);
        Ok(())
    }

    #[test_case(MessageWithValue::new(), json!({}))]
    #[test_case(MessageWithValue::new().set_singular(Value::Null), json!({"singular": null}))]
    #[test_case(MessageWithValue::new().set_singular("abc"), json!({"singular": "abc"}))]
    #[test_case(MessageWithValue::new().set_singular(1), json!({"singular": 1}))]
    #[test_case(MessageWithValue::new().set_optional(Value::Null), json!({"optional": null}))]
    #[test_case(MessageWithValue::new().set_optional("abc"), json!({"optional": "abc"}))]
    #[test_case(MessageWithValue::new().set_optional(1), json!({"optional": 1}))]
    #[test_case(MessageWithValue::new().set_repeated([Value::Null; 0]), json!({}))]
    #[test_case(MessageWithValue::new().set_repeated([Value::Null]), json!({"repeated": [null]}))]
    #[test_case(MessageWithValue::new().set_map([("", Value::Null); 0]), json!({}))]
    #[test_case(MessageWithValue::new().set_map([("null", Value::Null), ("1", json!(1))]), json!({"map": {"null": null, "1": 1}}))]
    fn test_de(want: MessageWithValue, input: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(input)?;
        assert_eq!(got, want);
        Ok(())
    }

    // This type handles null in a weird way
    //    #[test_case(r#"{"singular": null}"#)]
    //    #[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::<MessageWithValue>(input)?;
        assert_eq!(got, MessageWithValue::default());
        Ok(())
    }

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

    #[test_case(json!({"unknown": "test-value"}))]
    #[test_case(json!({"unknown": "test-value", "moreUnknown": {"a": 1, "b": 2}}))]
    fn test_unknown(input: Value) -> Result {
        let deser = serde_json::from_value::<MessageWithValue>(input.clone())?;
        let got = serde_json::to_value(deser)?;
        assert_eq!(got, input);
        Ok(())
    }

    #[test_case(json!({"singular": null}), Value::Null)]
    #[test_case(json!({"singular": "abc"}), json!("abc"))]
    #[test_case(json!({"singular": 1}), json!(1))]
    #[test_case(json!({"singular": true}), json!(true))]
    #[test_case(json!({"singular": [1, 2, "a"]}), json!([1, 2, "a"]))]
    #[test_case(json!({"singular": {"a": 1}}), json!({"a": 1}))]
    fn test_singular(value: Value, want: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(value.clone())?;
        assert_eq!(got.singular, Some(want));
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, value);
        Ok(())
    }

    #[test_case(json!({}))]
    fn test_singular_default(input: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(input)?;
        let want = MessageWithValue::default();
        assert_eq!(got, want);
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, json!({}));
        Ok(())
    }

    #[test_case(json!({"optional": ""}), json!(""))]
    #[test_case(json!({"optional": null}), json!(null))]
    fn test_optional(value: Value, want: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(value.clone())?;
        assert_eq!(got.optional, Some(want));
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, value);
        Ok(())
    }

    #[test_case(json!({}))]
    fn test_optional_default(input: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(input)?;
        let want = MessageWithValue::default();
        assert_eq!(got, want);
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, json!({}));
        Ok(())
    }

    #[test_case(json!({"repeated": [""]}), MessageWithValue::new().set_repeated([json!("")]))]
    #[test_case(json!({"repeated": [1, 2, "a"]}), MessageWithValue::new().set_repeated([json!(1), json!(2), json!("a")]))]
    fn test_repeated(value: Value, want: MessageWithValue) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(value.clone())?;
        assert_eq!(got, want);
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, value);
        Ok(())
    }

    #[test_case(json!({}))]
    #[test_case(json!({"repeated": []}))]
    #[test_case(json!({"repeated": null}))]
    fn test_repeated_default(input: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(input)?;
        let want = MessageWithValue::default();
        assert_eq!(got, want);
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, json!({}));
        Ok(())
    }

    #[test_case(json!({"map": {"key": ""}}), MessageWithValue::new().set_map([("key", json!(""))]))]
    #[test_case(json!({"map": {"key": [1, 2, "a"]}}), MessageWithValue::new().set_map([("key", json!([1, 2, "a"]))]))]
    fn test_map(value: Value, want: MessageWithValue) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(value.clone())?;
        assert_eq!(got, want);
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, value);
        Ok(())
    }

    #[test_case(json!({}))]
    #[test_case(json!({"map": {}}))]
    #[test_case(json!({"map": null}))]
    fn test_map_default(input: Value) -> Result {
        let got = serde_json::from_value::<MessageWithValue>(input)?;
        let want = MessageWithValue::default();
        assert_eq!(got, want);
        let output = serde_json::to_value(&got)?;
        assert_eq!(output, json!({}));
        Ok(())
    }
}