stubr 0.2.0-alpha2

Wiremock implemented in Rust
Documentation 
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use std::convert::TryFrom;

use jsonpath_lib::select as matches_json_path;
use serde_json::{from_slice as deserialize, Value};
use wiremock::{Match, Request};

use super::BodyPatternDto;

pub struct JsonPathContainsMatcher(String, String);

impl Match for JsonPathContainsMatcher {
    fn matches(&self, req: &Request) -> bool {
        deserialize::<Value>(&req.body).ok().as_ref()
            .and_then(|it| matches_json_path(it, &self.0).ok())
            .filter(|matched| !matched.is_empty())
            .filter(|matched| {
                matched.iter()
                    .all(|it| it.as_str().map(|c| c.contains(self.1.as_str())).unwrap_or_default())
            })
            .is_some()
    }
}

impl TryFrom<&BodyPatternDto> for JsonPathContainsMatcher {
    type Error = anyhow::Error;

    fn try_from(body: &BodyPatternDto) -> anyhow::Result<Self> {
        if body.is_by_json_path_contains() {
            body.expression.as_ref()
                .and_then(|path| body.contains.as_ref().map(|contains| (path, contains)))
                .map(|(path, contains)| JsonPathContainsMatcher(path.to_string(), contains.to_owned()))
                .ok_or_else(|| anyhow::Error::msg("No json path with contains matcher found"))
        } else { anyhow::Result::Err(anyhow::Error::msg("No json path with contains matcher found")) }
    }
}