refactor(exception_handler): move ExceptionHandler into facade

2015-09-10 08:42:16 -07:00
parent 8d538ff42e
commit 892d2b9652
11 changed files with 10 additions and 12 deletions
@@ -0,0 +1,93 @@
+import {
+  AsyncTestCompleter,
+  beforeEach,
+  ddescribe,
+  describe,
+  expect,
+  iit,
+  inject,
+  it,
+  xdescribe,
+  xit,
+  Log
+} from 'angular2/test_lib';
+import {BaseException} from 'angular2/src/core/facade/lang';
+import {ExceptionHandler} from 'angular2/src/core/facade/exception_handler';
+
+class _CustomException {
+  context = "some context";
+  toString(): string { return "custom"; }
+}
+
+export function main() {
+  describe('ExceptionHandler', () => {
+    it("should output exception", () => {
+      var e = ExceptionHandler.exceptionToString(new BaseException("message!"));
+      expect(e).toContain("message!");
+    });
+
+    it("should output stackTrace", () => {
+      var e = ExceptionHandler.exceptionToString(new BaseException("message!"), "stack!");
+      expect(e).toContain("stack!");
+    });
+
+    it("should join a long stackTrace", () => {
+      var e =
+          ExceptionHandler.exceptionToString(new BaseException("message!"), ["stack1", "stack2"]);
+      expect(e).toContain("stack1");
+      expect(e).toContain("stack2");
+    });
+
+    it("should output reason when present", () => {
+      var e = ExceptionHandler.exceptionToString(new BaseException("message!"), null, "reason!");
+      expect(e).toContain("reason!");
+    });
+
+    describe("context", () => {
+      it("should print context", () => {
+        var e = ExceptionHandler.exceptionToString(
+            new BaseException("message!", null, null, "context!"));
+        expect(e).toContain("context!");
+      });
+
+      it("should print nested context", () => {
+        var original = new BaseException("message!", null, null, "context!");
+        var e = ExceptionHandler.exceptionToString(new BaseException("message", original));
+        expect(e).toContain("context!");
+      });
+
+      it("should not print context when the passed-in exception is not a BaseException", () => {
+        var e = ExceptionHandler.exceptionToString(new _CustomException());
+        expect(e).not.toContain("context");
+      });
+    });
+
+    describe('original exception', () => {
+      it("should print original exception message if available (original is BaseException)", () => {
+        var realOriginal = new BaseException("inner");
+        var original = new BaseException("wrapped", realOriginal);
+        var e = ExceptionHandler.exceptionToString(new BaseException("wrappedwrapped", original));
+        expect(e).toContain("inner");
+      });
+
+      it("should print original exception message if available (original is not BaseException)",
+         () => {
+           var realOriginal = new _CustomException();
+           var original = new BaseException("wrapped", realOriginal);
+           var e =
+               ExceptionHandler.exceptionToString(new BaseException("wrappedwrapped", original));
+           expect(e).toContain("custom");
+         });
+    });
+
+    describe('original stack', () => {
+      it("should print original stack if available", () => {
+        var realOriginal = new BaseException("inner");
+        var original = new BaseException("wrapped", realOriginal, "originalStack");
+        var e = ExceptionHandler.exceptionToString(
+            new BaseException("wrappedwrapped", original, "wrappedStack"));
+        expect(e).toContain("originalStack");
+      });
+    });
+  });
+}