Add basic parser

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

cmd/parser/modules/compatibility.go

@@ -0,0 +1,184 @@
+package modules
+
+import (
+	"bytes"
+	_ "embed"
+	"encoding/csv"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+//go:embed resources/tests-struct.json
+var testStructData []byte
+
+var compatibilityCmd = &cobra.Command{
+	Use:   "compatibility",
+	Short: "Shows compatibility results",
+	Long:  "Form compatibility table based on passed s3 tests",
+	Example: `s3-tests-parser compatibility suite.csv
+s3-tests-parser compatibility suite.json --format json`,
+	RunE: runCompatibilityCmd,
+}
+
+type (
+	TestsStructure struct {
+		Groups []Group `json:"groups"`
+	}
+
+	Group struct {
+		Name       string   `json:"name"`
+		Tag        string   `json:"tag"`
+		Skip       bool     `json:"skip"`
+		SkipReason string   `json:"skip_reason"`
+		Tests      []string `json:"tests"`
+	}
+)
+
+var (
+	Reset  = "\033[0m"
+	Red    = "\033[31m"
+	Green  = "\033[32m"
+	Yellow = "\033[33m"
+)
+
+const (
+	formatFlag = "format"
+)
+
+func initCompatibilityCmd() {
+	compatibilityCmd.Flags().String(formatFlag, "csv", "format of input test suite file")
+}
+
+func runCompatibilityCmd(cmd *cobra.Command, args []string) error {
+	if len(args) != 1 {
+		return fmt.Errorf("expected exactly one arg, got: %v", args)
+	}
+
+	var testStruct TestsStructure
+	if err := json.Unmarshal(testStructData, &testStruct); err != nil {
+		return fmt.Errorf("failed to parse tests struct: %w", err)
+	}
+
+	testsMap, err := parseSuite(args[0], viper.GetString(formatFlag))
+	if err != nil {
+		return fmt.Errorf("parse tests: %w", err)
+	}
+
+	for _, group := range testStruct.Groups {
+		if group.Skip {
+			cmd.Println(fmt.Sprintf("%s; skip: %s", group.Name, group.SkipReason))
+			continue
+		}
+
+		printResult(cmd, group, testsMap)
+	}
+
+	return nil
+}
+
+func printResult(cmd *cobra.Command, group Group, testsMap map[string]bool) {
+	ln := float64(len(group.Tests))
+	pass := 0.0
+
+	for _, test := range group.Tests {
+		if testsMap[test] {
+			pass++
+		}
+	}
+
+	color := Red
+	rate := pass / ln
+	if rate > 0.9 {
+		color = Green
+	} else if rate > 0.5 {
+		color = Yellow
+	}
+
+	cmd.Println(fmt.Sprintf("%s%s: %d/%d \u001B[0m", color, group.Name, int(pass), int(ln)))
+}
+
+func parseSuite(filePath string, format string) (map[string]bool, error) {
+	switch format {
+	case "csv":
+		return parseSuiteCSV(filePath)
+	case "json":
+		return parseSuiteJSON(filePath)
+	default:
+		return nil, fmt.Errorf("unknown format: %s", format)
+	}
+}
+
+func parseSuiteCSV(filePath string) (map[string]bool, error) {
+	data, err := os.ReadFile(filePath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read suite file: %w", err)
+	}
+
+	rr := csv.NewReader(bytes.NewReader(data))
+	records, err := rr.ReadAll()
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse suite file: %w", err)
+	}
+
+	indexName := -1
+	indexStatus := -1
+	tests := make(map[string]bool)
+
+	for i, recs := range records {
+		if i == 0 {
+			for j, rec := range recs {
+				if rec == "Name" {
+					indexName = j
+				} else if rec == "Status" {
+					indexStatus = j
+				}
+			}
+
+			if indexName == -1 || indexStatus == -1 {
+				return nil, fmt.Errorf("invalid csv format, couldn't find 'Name' and 'Status' fields")
+			}
+		}
+
+		tests[recs[indexName]] = recs[indexStatus] == "passed"
+	}
+
+	return tests, nil
+}
+
+type SuiteNode struct {
+	Name     string      `json:"name"`
+	Status   string      `json:"status"`
+	Children []SuiteNode `json:"children"`
+}
+
+func parseSuiteJSON(filePath string) (map[string]bool, error) {
+	data, err := os.ReadFile(filePath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read suite file: %w", err)
+	}
+
+	var suiteNode SuiteNode
+	if err = json.Unmarshal(data, &suiteNode); err != nil {
+		return nil, fmt.Errorf("failed to parse suite file: %w", err)
+	}
+
+	tests := make(map[string]bool)
+	parseSuiteNode(suiteNode, tests)
+
+	return tests, nil
+}
+
+func parseSuiteNode(node SuiteNode, res map[string]bool) {
+	if node.Status != "" {
+		res[node.Name] = node.Status == "passed"
+		return
+	}
+
+	for _, child := range node.Children {
+		parseSuiteNode(child, res)
+	}
+}