flareio 0.1.0

Experimental and incomplete client for Flare's API
Documentation 
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use crate::client::FlareApiClient;

use std::error::Error;

#[derive(Default, Debug)]
pub struct FlareApiClientBuilder {
    api_key: Option<String>,
    tenant_id: Option<i64>,
}

impl FlareApiClientBuilder {
    pub fn with_api_key(mut self, api_key: String) -> Self {
        self.api_key = Some(api_key);
        self
    }

    pub fn with_tenant_id(mut self, tenant_id: i64) -> Self {
        self.tenant_id = Some(tenant_id);
        self
    }

    pub fn build(self) -> Result<FlareApiClient, Box<dyn Error>> {
        let api_key = match self.api_key {
            Some(api_key) => api_key,
            None => {
                // TODO: default to FLARE_API_KEY env var.
                "".into()
            }
        };
        if api_key.is_empty() {
            return Err("API key is required".into());
        }

        let client = FlareApiClient {
            _api_key: api_key,
            _tenant_id: self.tenant_id,
        };

        Ok(client)
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_build_no_api_key() {
        let result = FlareApiClient::builder().build();
        assert_eq!(result.unwrap_err().to_string(), "API key is required",);
    }

    #[test]
    fn test_build_with_api_key() -> Result<(), Box<dyn Error>> {
        let client = FlareApiClient::builder()
            .with_api_key("fw-123".into())
            .build()?;
        assert_eq!(client._api_key, "fw-123");
        assert_eq!(client._tenant_id, None);
        Ok(())
    }

    #[test]
    fn test_build_with_api_key_tenant_id() -> Result<(), Box<dyn Error>> {
        let client = FlareApiClient::builder()
            .with_api_key("fw-123".into())
            .with_tenant_id(123)
            .build()?;
        assert_eq!(client._api_key, "fw-123");
        assert_eq!(client._tenant_id, Some(123));
        Ok(())
    }
}