Test.Runner.Failure

The reason a test failed.

= Custom

| Equality String String

| Comparison String String

| ListDiff (List String) (List String)

| CollectionDiff

{ expected : String

, actual : String

, extra : List String

, missing : List String

}

| TODO

| Invalid InvalidReason

The reason a test failed.

Test runners can use this to provide nice output, e.g. by doing diffs on the two parts of an Expect.equal failure.

= EmptyList

| NonpositiveFuzzCount

| InvalidFuzzer

| BadDescription

| DuplicatedName

The reason a test run was invalid.

Test runners should report these to the user in whatever format is appropriate.

format : String -> Reason -> String

DEPRECATED. In the future, test runners should implement versions of this that make sense for their own environments.

Format test run failures in a reasonable way.

Modules