test: add stackTrace test and improve test descriptions

packages/util/test/errors.spec.ts

@@ -4,7 +4,7 @@ import { ErrorLogger } from '../src/errors'
 tape('ErrorLogger', (t) => {
   const errorLog = new ErrorLogger()
 
-  t.test('should assign the UNKNOWN_ERROR code to errors with undefined code', (st) => {
+  t.test('should assign the UNKNOWN_ERROR code to errors without code', (st) => {
     let error: any
 
     try {
@@ -16,6 +16,18 @@ tape('ErrorLogger', (t) => {
     st.equal(error.code, ErrorLogger.errors.UNKNOWN_ERROR)
     st.end()
   }),
+    t.test('should preserve the stack trace of the throwError context', (st) => {
+      let error: any
+
+      try {
+        errorLog.throwError()
+      } catch (e) {
+        error = e
+      }
+
+      st.ok(/Error: {2}\| Details: code=UNKNOWN_ERROR\n {4}at Test./.test(error.stack))
+      st.end()
+    }),
     t.test('should populate an error with UNKNOWN_ERROR code with all provided params', (st) => {
       let error: any
 
@@ -28,26 +40,12 @@ tape('ErrorLogger', (t) => {
         error = e
       }
 
+      st.equal(error.code, ErrorLogger.errors.UNKNOWN_ERROR)
       st.equal(error.errorInfo1, 'Information on the error')
       st.equal(error.errorInfo2, 'More information on the error')
       st.end()
-    })
-  t.test('should populate an error with UNKNOWN_ERROR code with all provided params', (st) => {
-    let error: any
-
-    try {
-      errorLog.throwError(ErrorLogger.errors.UNKNOWN_ERROR, {
-        errorInfo1: 'Information on the error',
-        errorInfo2: 'More information on the error',
-      })
-    } catch (e) {
-      error = e
-    }
-
-    st.equal(error.code, ErrorLogger.errors.UNKNOWN_ERROR)
-    st.end()
-  }),
-    t.test('should add all error params to error message details', (st) => {
+    }),
+    t.test('should add all error params of UNKNOWN_ERROR to error message details', (st) => {
       let error: any
 
       try {
@@ -65,7 +63,7 @@ tape('ErrorLogger', (t) => {
       )
       st.end()
     }),
-    t.test('should append all error params to existing error message', (st) => {
+    t.test('should append all error details to provided error message', (st) => {
       let error: any
 
       try {