tests: move github-labels to main repo

Move tool as part of static checks migration.

Fixes #8187

Signed-off-by: Chelsea Mafrica <chelsea.e.mafrica@intel.com>
Signed-off-by: Derek Lee <derlee@redhat.com>
Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>
Signed-off-by: Graham Whaley <graham.whaley@intel.com>
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
Signed-off-by: Marco Vedovati <mvedovati@suse.com>
Signed-off-by: Peng Tao <bergwolf@hyper.sh>
Signed-off-by: Shiming Zhang <wzshiming@foxmail.com>
Signed-off-by: Snir Sheriber <ssheribe@redhat.com>
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>

tests/cmd/github-labels/display.go

@@ -0,0 +1,83 @@
+// Copyright (c) 2019 Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package main
+
+import (
+	"os"
+	"sort"
+)
+
+var outputFile = os.Stdout
+
+// displayHandler is an interface that all output display handlers
+// (formatters) must implement.
+type DisplayHandler interface {
+	DisplayLabels(lf *LabelsFile) error
+	DisplayCategories(lf *LabelsFile, showLabels bool) error
+}
+
+// DisplayHandlers encapsulates the list of available display handlers.
+type DisplayHandlers struct {
+	handlers map[string]DisplayHandler
+}
+
+// handlers is a map of the available output format display handling
+// implementations.
+var handlers map[string]DisplayHandler
+
+// NewDisplayHandlers create a new DisplayHandler.
+func NewDisplayHandlers() *DisplayHandlers {
+	if handlers == nil {
+		handlers = make(map[string]DisplayHandler)
+
+		handlers["md"] = NewDisplayMD(outputFile)
+		handlers[textFormat] = NewDisplayText(outputFile)
+		handlers["tsv"] = NewDisplayTSV(outputFile)
+	}
+
+	h := &DisplayHandlers{
+		handlers: handlers,
+	}
+
+	return h
+}
+
+// find looks for a display handler corresponding to the specified format
+func (d *DisplayHandlers) find(format string) DisplayHandler {
+	for f, handler := range d.handlers {
+		if f == format {
+			return handler
+		}
+	}
+
+	return nil
+}
+
+// Get returns a list of the available formatters (display handler names).
+func (d *DisplayHandlers) Get() []string {
+	var formats []string
+
+	for f := range d.handlers {
+		formats = append(formats, f)
+	}
+
+	sort.Strings(formats)
+
+	return formats
+}
+
+func show(inputFilename string, handler DisplayHandler, what DataToShow, withLabels bool) error {
+	lf, err := readYAML(inputFilename)
+	if err != nil {
+		return err
+	}
+
+	if what == showLabels {
+		return handler.DisplayLabels(lf)
+	}
+
+	return handler.DisplayCategories(lf, withLabels)
+}