[#6] Add new 'tests' command

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

README.md

@@ -21,3 +21,16 @@ You can also use json
 ```shell
 $ ./bin/s3-tests-parser compatibility tests/fixture/suite.json --format json --output-format md --output result.md
 ```
+
+## Tests to check
+
+You can see all tests that will be checked during `compatibility` command by using:
+```shell
+$ ./bin/s3-tests-parser tests --output tests.txt
+```
+
+Output file now contains tests and can be provided as parameter for running [s3-tests](https://git.frostfs.info/TrueCloudLab/s3-tests):
+
+```shell
+S3TEST_CONF=your.conf tox -- @tests.txt
+```

cmd/parser/modules/compatibility.go

@@ -21,7 +21,8 @@ var compatibilityCmd = &cobra.Command{
 	Example: `s3-tests-parser compatibility suite.csv
 s3-tests-parser compatibility suite.json --format json
 s3-tests-parser compatibility suite.json --format json --output-format md
-s3-tests-parser compatibility suite.json --format json --output-format md --output result.md`,
+s3-tests-parser compatibility suite.json --format json --output-format md --output result.md
+s3-tests-parser compatibility suite.json --format json --output-format txt --output result.txt --verbose`,
 	RunE: runCompatibilityCmd,
 }
 
@@ -149,10 +150,15 @@ func formTestResult(group s3.Group, testsMap map[string]bool) TestResult {
 	var failed []string
 	var passed []string
 	for _, test := range group.Tests {
-		if testsMap[test] {
+		split := strings.Split(test, "::") // to trim test path
-			passed = append(passed, test)
+		if len(split) != 2 {
+			continue
+		}
+		testName := split[1]
+		if testsMap[testName] {
+			passed = append(passed, testName)
 		} else {
-			failed = append(failed, test)
+			failed = append(failed, testName)
 		}
 	}
 
@@ -161,6 +167,8 @@ func formTestResult(group s3.Group, testsMap map[string]bool) TestResult {
 		color = templates.BlueColor
 	} else if strings.Contains(group.Comment, "Not applicable") {
 		color = templates.BlackColor
+	} else if ln == 0 && !group.Skip {
+		color = templates.GreenColor
 	}
 
 	if color == "" {

cmd/parser/modules/root.go

@@ -45,4 +45,7 @@ GoVersion: {{ runtimeVersion }}
 
 	rootCmd.AddCommand(compatibilityCmd)
 	initCompatibilityCmd()
+
+	rootCmd.AddCommand(testsCmd)
+	initTestsCmd()
 }

cmd/parser/modules/tests.go

@@ -0,0 +1,75 @@
+package modules
+
+import (
+	"fmt"
+	"os"
+	"slices"
+	"sort"
+
+	"git.frostfs.info/TrueCloudLab/s3-tests-parser/internal/s3"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var testsCmd = &cobra.Command{
+	Use:   "tests",
+	Short: "Print tests to check",
+	Long:  "Print all tests that will be checked by 'compatibility' command",
+	Example: `s3-tests-parser tests
+s3-tests-parser tests --output tests.txt`,
+	RunE: runTestsCmd,
+}
+
+func initTestsCmd() {
+	testsCmd.Flags().String(outputFlag, "", "file to write output, if missed the stdout is used")
+}
+
+func runTestsCmd(cmd *cobra.Command, _ []string) error {
+	testStruct, err := s3.ParseTestsStruct()
+	if err != nil {
+		return err
+	}
+
+	var tests []string
+
+	groupTests := make(map[string][]string)
+	for _, group := range testStruct.Groups {
+		groupTests[group.Name] = group.Tests
+	}
+
+	for _, group := range testStruct.Groups {
+		if group.Skip {
+			continue
+		}
+
+		tests = append(tests, group.Tests...)
+		for _, include := range group.Include {
+			tests = append(tests, groupTests[include]...)
+		}
+	}
+
+	sort.Strings(tests)
+	tests = slices.Compact(tests)
+
+	return printTests(cmd, tests)
+}
+
+func printTests(cmd *cobra.Command, res []string) error {
+	w := cmd.OutOrStdout()
+	if outFile := viper.GetString(outputFlag); outFile != "" {
+		f, err := os.Create(outFile)
+		if err != nil {
+			return fmt.Errorf("create out file: %w", err)
+		}
+		w = f
+		defer f.Close()
+	}
+
+	for i := range res {
+		if _, err := fmt.Fprintln(w, res[i]); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

go.mod

@@ -1,19 +1,22 @@
 module git.frostfs.info/TrueCloudLab/s3-tests-parser
 
-go 1.20
+go 1.22
 
 require (
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.16.0
+	github.com/stretchr/testify v1.8.3
 )
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
 	github.com/spf13/cast v1.5.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect

internal/s3/structure_test.go

@@ -0,0 +1,17 @@
+package s3
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestStructParsing(t *testing.T) {
+	structure, err := ParseTestsStruct()
+	require.NoError(t, err)
+
+	for _, group := range structure.Groups {
+		require.NotEmptyf(t, group.Tag, "group tag must not be empty: %v", group)
+		require.NotEmptyf(t, group.Name, "group name must not be empty: %v", group)
+	}
+}