conform-derive 0.0.2

Macros 1.1 implementation of #[derive(Conform)]
Documentation 
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extern crate conform;
#[macro_use]
extern crate conform_derive;
extern crate validator;
#[macro_use]
extern crate validator_derive;
extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate serde_json;

use std::borrow::Cow;

use conform::Conform;
use validator::{Validate, ValidationError, ValidationErrors};

/// Usage with validate: validation success
#[test]
fn assert_usage_with_validate_success() {
  #[derive(Conform, Validate)]
  struct Subject {
    #[conform(trim, lower)]
    #[validate(email)]
    prop: String,
  }

  let mut subject = Subject {
    prop: "  Foo@bar.com  ".to_string(),
  };

  assert_eq!(subject.conform().validate(), Ok(()));
}

/// Usage with validate: validation failure
#[test]
fn assert_usage_with_validate_failure() {
  #[derive(Conform, Validate)]
  struct Subject {
    #[conform(trim, lower)]
    #[validate(email)]
    prop: String,
  }

  let mut subject = Subject {
    prop: "  Foobar.com  ".to_string(),
  };

  let mut error = ValidationError::new("email");
  error.add_param(Cow::from("value"), &"foobar.com");

  let mut errors = ValidationErrors::new();
  errors.add("prop", error);

  assert_eq!(subject.conform().validate(), Err(errors));
}

/// Usage with serde: renamed fields
#[test]
fn assert_usage_with_serde_renamed_field() {
  #[derive(Conform, Deserialize)]
  struct Subject {
    #[serde(rename = "jsonProp")]
    #[conform(lower)]
    prop: String,
  }

  let json = r#"{"jsonProp": "FOO"}"#;

  let mut subject: Subject = serde_json::from_str(json).unwrap();

  subject.conform();

  assert_eq!(subject.prop, "foo".to_string());
}