Use pretty_assertions in tests

schemars/Cargo.toml

@@ -10,3 +10,6 @@ edition = "2018"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 schemars_derive = { version = "0.1.0", path = "../schemars_derive" }
+
+[dev-dependencies]
+pretty_assertions = "0.6.1"

schemars/tests/test.rs

@@ -1,26 +1,23 @@
+use pretty_assertions::assert_eq;
 use schemars::schema::*;
 use schemars::{gen, schema_for};
 use serde_json::{from_str, to_string_pretty};
 use std::fs;
 
-#[cfg(test)]
+#[test]
-mod tests {
+fn schema_matches_default_settings() -> Result<(), Box<dyn std::error::Error>> {
-    use super::*;
-
-    #[test]
-    fn schema_matches_default_settings() -> Result<(), Box<dyn std::error::Error>> {
     let expected_json = fs::read_to_string("tests/schema.json")?;
     let expected: Schema = from_str(&expected_json)?;
 
     let actual = schema_for!(Schema);
     fs::write("tests/schema.actual.json", to_string_pretty(&actual)?)?;
 
-        assert_eq!(actual, expected, "\n\nGenerated schema did not match saved schema - generated schema has been written to \"tests/schema.actual.json\".");
+    assert_eq!(actual, expected, "Generated schema did not match saved schema - generated schema has been written to \"tests/schema.actual.json\".");
     Ok(())
-    }
+}
 
-    #[test]
+#[test]
-    fn schema_matches_openapi3() -> Result<(), Box<dyn std::error::Error>> {
+fn schema_matches_openapi3() -> Result<(), Box<dyn std::error::Error>> {
     let expected_json = fs::read_to_string("tests/schema-openapi3.json")?;
     let expected: Schema = from_str(&expected_json)?;
 
@@ -32,7 +29,6 @@ mod tests {
         to_string_pretty(&actual)?,
     )?;
 
-        assert_eq!(actual, expected, "\n\nGenerated schema did not match saved schema - generated schema has been written to \"tests/schema-openapi3.actual.json\".");
+    assert_eq!(actual, expected, "Generated schema did not match saved schema - generated schema has been written to \"tests/schema-openapi3.actual.json\".");
     Ok(())
-    }
 }