diff options
Diffstat (limited to 'vendor/github.com/onsi/gomega/matchers/match_error_matcher_test.go')
-rw-r--r-- | vendor/github.com/onsi/gomega/matchers/match_error_matcher_test.go | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/vendor/github.com/onsi/gomega/matchers/match_error_matcher_test.go b/vendor/github.com/onsi/gomega/matchers/match_error_matcher_test.go new file mode 100644 index 000000000..9bf89fc46 --- /dev/null +++ b/vendor/github.com/onsi/gomega/matchers/match_error_matcher_test.go @@ -0,0 +1,107 @@ +package matchers_test + +import ( + "errors" + "fmt" + + . "github.com/onsi/ginkgo" + . "github.com/onsi/gomega" + . "github.com/onsi/gomega/matchers" +) + +type CustomError struct { +} + +func (c CustomError) Error() string { + return "an error" +} + +var _ = Describe("MatchErrorMatcher", func() { + Context("When asserting against an error", func() { + It("should succeed when matching with an error", func() { + err := errors.New("an error") + fmtErr := fmt.Errorf("an error") + customErr := CustomError{} + + Expect(err).Should(MatchError(errors.New("an error"))) + Expect(err).ShouldNot(MatchError(errors.New("another error"))) + + Expect(fmtErr).Should(MatchError(errors.New("an error"))) + Expect(customErr).Should(MatchError(CustomError{})) + }) + + It("should succeed when matching with a string", func() { + err := errors.New("an error") + fmtErr := fmt.Errorf("an error") + customErr := CustomError{} + + Expect(err).Should(MatchError("an error")) + Expect(err).ShouldNot(MatchError("another error")) + + Expect(fmtErr).Should(MatchError("an error")) + Expect(customErr).Should(MatchError("an error")) + }) + + Context("when passed a matcher", func() { + It("should pass if the matcher passes against the error string", func() { + err := errors.New("error 123 abc") + + Expect(err).Should(MatchError(MatchRegexp(`\d{3}`))) + }) + + It("should fail if the matcher fails against the error string", func() { + err := errors.New("no digits") + Expect(err).ShouldNot(MatchError(MatchRegexp(`\d`))) + }) + }) + + It("should fail when passed anything else", func() { + actualErr := errors.New("an error") + _, err := (&MatchErrorMatcher{ + Expected: []byte("an error"), + }).Match(actualErr) + Expect(err).Should(HaveOccurred()) + + _, err = (&MatchErrorMatcher{ + Expected: 3, + }).Match(actualErr) + Expect(err).Should(HaveOccurred()) + }) + }) + + Context("when passed nil", func() { + It("should fail", func() { + _, err := (&MatchErrorMatcher{ + Expected: "an error", + }).Match(nil) + Expect(err).Should(HaveOccurred()) + }) + }) + + Context("when passed a non-error", func() { + It("should fail", func() { + _, err := (&MatchErrorMatcher{ + Expected: "an error", + }).Match("an error") + Expect(err).Should(HaveOccurred()) + + _, err = (&MatchErrorMatcher{ + Expected: "an error", + }).Match(3) + Expect(err).Should(HaveOccurred()) + }) + }) + + Context("when passed an error that is also a string", func() { + It("should use it as an error", func() { + var e mockErr = "mockErr" + + // this fails if the matcher casts e to a string before comparison + Expect(e).Should(MatchError(e)) + }) + }) +}) + +type mockErr string + +func (m mockErr) Error() string { return string(m) } |