Adding PartialEq for LogRecord and SpanContext to help unit testing (#1944)

Co-authored-by: Lalit Kumar Bhasin <lalit_fin@yahoo.com>

Author: psandana

opentelemetry-sdk/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## vNext
 
+- `opentelemetry_sdk::logs::record::LogRecord` and `opentelemetry_sdk::logs::record::TraceContext` derive from `PartialEq` to facilitate Unit Testing.
+
 ## v0.24.1
 
 - Add hidden method to support tracing-opentelemetry

opentelemetry-sdk/src/logs/record.rs

@@ -5,7 +5,7 @@ use opentelemetry::{
 };
 use std::{borrow::Cow, time::SystemTime};
 
-#[derive(Debug, Default, Clone)]
+#[derive(Debug, Default, Clone, PartialEq)]
 #[non_exhaustive]
 /// LogRecord represents all data carried by a log record, and
 /// is provided to `LogExporter`s as input.
@@ -99,7 +99,7 @@ impl opentelemetry::logs::LogRecord for LogRecord {
 
 /// TraceContext stores the trace context for logs that have an associated
 /// span.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq)]
 #[non_exhaustive]
 pub struct TraceContext {
     /// Trace id
@@ -198,4 +198,68 @@ mod tests {
             Some(vec![(Key::new("key"), AnyValue::String("value".into()))])
         );
     }
+
+    #[test]
+    fn compare_trace_context() {
+        let trace_context = TraceContext {
+            trace_id: TraceId::from_u128(1),
+            span_id: SpanId::from_u64(1),
+            trace_flags: Some(TraceFlags::default()),
+        };
+
+        let trace_context_cloned = trace_context.clone();
+
+        assert_eq!(trace_context, trace_context_cloned);
+
+        let trace_context_different = TraceContext {
+            trace_id: TraceId::from_u128(2),
+            span_id: SpanId::from_u64(2),
+            trace_flags: Some(TraceFlags::default()),
+        };
+
+        assert_ne!(trace_context, trace_context_different);
+    }
+
+    #[test]
+    fn compare_log_record() {
+        let log_record = LogRecord {
+            event_name: Some(Cow::Borrowed("test_event")),
+            target: Some(Cow::Borrowed("foo::bar")),
+            timestamp: Some(SystemTime::now()),
+            observed_timestamp: Some(SystemTime::now()),
+            severity_text: Some(Cow::Borrowed("ERROR")),
+            severity_number: Some(Severity::Error),
+            body: Some(AnyValue::String("Test body".into())),
+            attributes: Some(vec![(Key::new("key"), AnyValue::String("value".into()))]),
+            trace_context: Some(TraceContext {
+                trace_id: TraceId::from_u128(1),
+                span_id: SpanId::from_u64(1),
+                trace_flags: Some(TraceFlags::default()),
+            }),
+        };
+
+        let log_record_cloned = log_record.clone();
+
+        assert_eq!(log_record, log_record_cloned);
+
+        let mut log_record_different = log_record.clone();
+        log_record_different.event_name = Some(Cow::Borrowed("different_event"));
+
+        assert_ne!(log_record, log_record_different);
+    }
+
+    #[test]
+    fn compare_log_record_target_borrowed_eq_owned() {
+        let log_record_borrowed = LogRecord {
+            event_name: Some(Cow::Borrowed("test_event")),
+            ..Default::default()
+        };
+
+        let log_record_owned = LogRecord {
+            event_name: Some(Cow::Owned("test_event".to_string())),
+            ..Default::default()
+        };
+
+        assert_eq!(log_record_borrowed, log_record_owned);
+    }
 }