Before: runtime! ale_linters/terraform/tflint.vim After: call ale#linter#Reset() Execute(The tflint handler should parse items correctly): AssertEqual \ [ \ { \ 'lnum': 12, \ 'text': 'be warned, traveller', \ 'code': 'aws_db_instance_readable_password', \ 'type': 'W', \ }, \ { \ 'lnum': 9, \ 'text': 'error message', \ 'code': 'aws_elasticache_cluster_invalid_type', \ 'type': 'E', \ }, \ { \ 'lnum': 5, \ 'text': 'just so ya know', \ 'code': 'aws_instance_not_specified_iam_profile', \ 'type': 'I', \ }, \ ], \ ale_linters#terraform#tflint#Handle(123, [ \ '[ { "detector": "aws_db_instance_readable_password", "type": "WARNING", "message": "be warned, traveller", "line": 12, "file": "github.com/wata727/example-module/aws_db_instance.tf", "link": "https://github.com/wata727/tflint/blob/master/docs/aws_db_instance_readable_password.md" }, { "detector": "aws_elasticache_cluster_invalid_type", "type": "ERROR", "message": "error message", "line": 9, "file": "github.com/wata727/example-module/aws_elasticache_cluster.tf", "link": "https://github.com/wata727/tflint/blob/master/docs/aws_elasticache_cluster_invalid_type.md" }, { "detector": "aws_instance_not_specified_iam_profile", "type": "NOTICE", "message": "just so ya know", "line": 5, "file": "github.com/wata727/example-module/aws_instance.tf", "link": "https://github.com/wata727/tflint/blob/master/docs/aws_instance_not_specified_iam_profile.md" } ]' \ ])