code-climate: add check_name field (golangci#5086)

Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>

Author: Wani4ka

pkg/printers/codeclimate.go

@@ -12,9 +12,10 @@ const defaultCodeClimateSeverity = "critical"
 // CodeClimateIssue is a subset of the Code Climate spec.
 // https://github.com/codeclimate/platform/blob/master/spec/analyzers/SPEC.md#data-types
 // It is just enough to support GitLab CI Code Quality.
-// https://docs.gitlab.com/ee/user/project/merge_requests/code_quality.html
+// https://docs.gitlab.com/ee/ci/testing/code_quality.html#implement-a-custom-tool
 type CodeClimateIssue struct {
 	Description string `json:"description"`
+	CheckName   string `json:"check_name"`
 	Severity    string `json:"severity,omitempty"`
 	Fingerprint string `json:"fingerprint"`
 	Location    struct {
@@ -35,10 +36,13 @@ func NewCodeClimate(w io.Writer) *CodeClimate {
 
 func (p CodeClimate) Print(issues []result.Issue) error {
 	codeClimateIssues := make([]CodeClimateIssue, 0, len(issues))
+
 	for i := range issues {
 		issue := &issues[i]
+
 		codeClimateIssue := CodeClimateIssue{}
 		codeClimateIssue.Description = issue.Description()
+		codeClimateIssue.CheckName = issue.FromLinter
 		codeClimateIssue.Location.Path = issue.Pos.Filename
 		codeClimateIssue.Location.Lines.Begin = issue.Pos.Line
 		codeClimateIssue.Fingerprint = issue.Fingerprint()
@@ -51,9 +55,5 @@ func (p CodeClimate) Print(issues []result.Issue) error {
 		codeClimateIssues = append(codeClimateIssues, codeClimateIssue)
 	}
 
-	err := json.NewEncoder(p.w).Encode(codeClimateIssues)
-	if err != nil {
-		return err
-	}
-	return nil
+	return json.NewEncoder(p.w).Encode(codeClimateIssues)
 }

pkg/printers/codeclimate_test.go

@@ -63,7 +63,7 @@ func TestCodeClimate_Print(t *testing.T) {
 	err := printer.Print(issues)
 	require.NoError(t, err)
 
-	expected := `[{"description":"linter-a: some issue","severity":"warning","fingerprint":"BA73C5DF4A6FD8462FFF1D3140235777","location":{"path":"path/to/filea.go","lines":{"begin":10}}},{"description":"linter-b: another issue","severity":"error","fingerprint":"0777B4FE60242BD8B2E9B7E92C4B9521","location":{"path":"path/to/fileb.go","lines":{"begin":300}}},{"description":"linter-c: issue c","severity":"critical","fingerprint":"BEE6E9FBB6BFA4B7DB9FB036697FB036","location":{"path":"path/to/filec.go","lines":{"begin":200}}}]
+	expected := `[{"description":"linter-a: some issue","check_name":"linter-a","severity":"warning","fingerprint":"BA73C5DF4A6FD8462FFF1D3140235777","location":{"path":"path/to/filea.go","lines":{"begin":10}}},{"description":"linter-b: another issue","check_name":"linter-b","severity":"error","fingerprint":"0777B4FE60242BD8B2E9B7E92C4B9521","location":{"path":"path/to/fileb.go","lines":{"begin":300}}},{"description":"linter-c: issue c","check_name":"linter-c","severity":"critical","fingerprint":"BEE6E9FBB6BFA4B7DB9FB036697FB036","location":{"path":"path/to/filec.go","lines":{"begin":200}}}]
 `
 
 	assert.Equal(t, expected, buf.String())