Make higher order function for logging errors support asynchronous rejecting with non error instance

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

src/common/utils/with-error-logging/with-error-logging.injectable.ts

@@ -6,7 +6,7 @@ import { getInjectable } from "@ogre-tools/injectable";
 import loggerInjectable from "../../logger.injectable";
 
 export type WithErrorLoggingFor = (
-  getErrorMessage: (error: Error) => string
+  getErrorMessage: (error: unknown) => string
 ) => <T extends (...args: any[]) => any>(
   toBeDecorated: T
 ) => (...args: Parameters<T>) => ReturnType<T>;
@@ -24,14 +24,19 @@ const withErrorLoggingInjectable = getInjectable({
             const returnValue = toBeDecorated(...args);
 
             if (isPromise(returnValue)) {
-              returnValue.catch((e: Error) => {
+              returnValue.catch((e) => {
-                logger.error(getErrorMessage(e as Error), e);
+                const errorMessage = getErrorMessage(e);
+
+                logger.error(errorMessage, e);
               });
             }
 
             return returnValue;
           } catch (e) {
-            logger.error(getErrorMessage(e as Error), e);
+            const errorMessage = getErrorMessage(e);
+
+            logger.error(errorMessage, e);
+
             throw e;
           }
         };

src/common/utils/with-error-logging/with-error-logging.test.ts

@@ -33,7 +33,7 @@ describe("with-error-logging", () => {
 
       decorated = pipeline(
         toBeDecorated,
-        withErrorLoggingFor((error: Error) => `some-error-message-for-${error.message}`),
+        withErrorLoggingFor((error: any) => `some-error-message-for-${error.message}`),
       );
     });
 
@@ -133,7 +133,11 @@ describe("with-error-logging", () => {
 
       decorated = pipeline(
         toBeDecorated,
-        withErrorLoggingFor((error: Error) => `some-error-message-for-${error.message}`),
+
+        withErrorLoggingFor(
+          (error: any) =>
+            `some-error-message-for-${error.message || error.someProperty}`,
+        ),
       );
     });
 
@@ -158,7 +162,7 @@ describe("with-error-logging", () => {
         expect(promiseStatus.fulfilled).toBe(false);
       });
 
-      describe("when call rejects", () => {
+      describe("when call rejects with error instance", () => {
         let error: Error;
 
         beforeEach(async () => {
@@ -179,6 +183,30 @@ describe("with-error-logging", () => {
         });
       });
 
+      describe("when call rejects with something else than error instance", () => {
+        let error: unknown;
+
+        beforeEach(async () => {
+          try {
+            await toBeDecorated.reject({ someProperty: "some-rejection" });
+            await returnValuePromise;
+          } catch (e) {
+            error = e;
+          }
+        });
+
+        it("logs the rejection", () => {
+          expect(loggerStub.error).toHaveBeenCalledWith(
+            "some-error-message-for-some-rejection",
+            error,
+          );
+        });
+
+        it("rejects", () => {
+          return expect(() => returnValuePromise).rejects.toEqual({ someProperty: "some-rejection" });
+        });
+      });
+
       describe("when call resolves with value", () => {
         beforeEach(async () => {
           await toBeDecorated.resolve(42);