Merge pull request #3 from mattburchett/matt/shellandtest-v2

a better CLI library, zerolog, and more functionality!

.editorconfig

@@ -11,3 +11,7 @@ trim_trailing_whitespace = true
 [*.go]
 indent_size = 8
 indent_style = tab
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2

.gitignore

@@ -48,3 +48,6 @@ ehthumbs_vista.db
 Thumbs.db
 $RECYCLE.BIN/
 *.lnk
+
+shellandtest
+*.log

README.md

@@ -1,21 +1,22 @@
 # Shell And Test
 
-Shell And Test is a CLI application that will capture `standard out` and `standard error` streams of a application as well as allow for sending commands via it's `standard in` streams. It examines the resulted captured in `standard out` and `standard error` and tests for criteria specified in a JSON file.
+Shell And Test is a CLI application that will capture `standard out` and `standard error` streams of a application as well as allow for sending commands via it's `standard in` streams. It examines the resulted captured in `standard out` and `standard error` and tests for criteria specified in a YAML file.
 
 ## Usage
 
 Shell and Test accepts the following arguments:
 
 ```
-  -h, --help              help for ShellAndTest
-  -o, --output            Show command outputs
-  -d, --testdir string    Provide a path to directory: /path/to/dir/
-  -f, --testfile string   Provide a path to json: /path/to/file.json
+Flags:
+  -h, --help                Show context-sensitive help.
+  -o, --output              Show the output of the commands.
+  -d, --testdir=STRING      Provide the path to a directory: /path/to/dir
+  -f, --testfile=STRING     Provide the path to yml: /path/to/file.yml
+      --log-level="info"    Set log level.
 ```
 
 Command line syntax is the following:
 ```bash
-./shellandtest -f test.json
+./shellandtest -f test.yml
 ./shellandtest -d /my/app/here
-cat test.json | ./shellandtest
 ```

cmd/main.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"sync/atomic"
+
+	"github.com/LacledesLAN/ShellAndTest/internal/cli"
+	"github.com/LacledesLAN/ShellAndTest/internal/shelltest"
+	"github.com/alecthomas/kong"
+)
+
+type runCmd struct {
+	ShowOutput bool   `kong:"name='output',short='o',help='Show the output of the commands.'"`
+	TestDir    string `kong:"name='testdir',short='d',help='Provide the path to a directory: /path/to/dir'"`
+	TestFile   string `kong:"name='testfile',short='f',help='Provide the path to a YAML file: /path/to/file.yml'"`
+	LogLevel   string `kong:"name='log-level',default='info',enum='panic,fatal,error,warn,info,debug,trace',help='Set log level.'"`
+}
+
+var (
+	ErrFoundErrors = errors.New("one or more steps failed, check output")
+	errCounter     = atomic.Int32{}
+)
+
+func (cmd runCmd) Run() error {
+	// init zerolog
+	cli.InitZeroLog(cmd.LogLevel)
+
+	errCount := make(chan int32)
+	defer close(errCount)
+	go func() {
+		current := int32(0)
+		for {
+			current = <-errCount
+			errCounter.Add(current)
+		}
+	}()
+
+	var files []string
+	// check if stdin, a directory, or testfile is specified
+	switch {
+	case cmd.TestFile != "":
+		files = append(files, cmd.TestFile)
+	case cmd.TestDir != "":
+		if err := filepath.Walk(cmd.TestDir, func(path string, info os.FileInfo, err error) error {
+			if filepath.Ext(path) == ".json" {
+				files = append(files, path)
+			}
+			return nil
+		}); err != nil {
+			errCount <- 1
+			return err
+		}
+	}
+
+	for file := range files {
+		err := shelltest.Runner(files[file], cmd.ShowOutput, errCount)
+		if err != nil {
+			return err
+		}
+	}
+
+	if errCounter.Load() > 0 {
+		return fmt.Errorf("%d errors found. %w", errCounter.Load(), ErrFoundErrors)
+	}
+
+	return nil
+}
+
+func main() {
+	// configure Kong CLI
+	kongContext := kong.Parse(
+		&runCmd{},
+		kong.Name("ShellAndTest"),
+		kong.Description("CLI utility for writing automated tests for 3rd-party CLI binaries."),
+		kong.UsageOnError(),
+	)
+
+	err := kongContext.Run()
+	kongContext.FatalIfErrorf(err)
+}

go.mod

@@ -1,10 +1,19 @@
 module github.com/LacledesLAN/ShellAndTest
 
-go 1.13
+go 1.19
 
 require (
-	github.com/fatih/color v1.7.0
-	github.com/mattn/go-colorable v0.1.4 // indirect
-	github.com/mattn/go-isatty v0.0.11 // indirect
-	github.com/spf13/cobra v0.0.5
+	github.com/alecthomas/kong v0.6.1
+	github.com/creack/pty v1.1.18
+	github.com/rs/zerolog v1.28.0
+	github.com/stretchr/testify v1.8.0
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 // indirect
 )

go.sum

@@ -1,54 +1,39 @@
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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internal/cli/log.go

@@ -0,0 +1,33 @@
+package cli
+
+import (
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+func InitZeroLog(logLevel string) {
+	// set message field name
+	zerolog.MessageFieldName = "msg"
+
+	// init zerolog
+	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
+
+	switch logLevel {
+	case "panic":
+		zerolog.SetGlobalLevel(zerolog.PanicLevel)
+	case "fatal":
+		zerolog.SetGlobalLevel(zerolog.FatalLevel)
+	case "error":
+		zerolog.SetGlobalLevel(zerolog.ErrorLevel)
+	case "warn":
+		zerolog.SetGlobalLevel(zerolog.WarnLevel)
+	case "info":
+		zerolog.SetGlobalLevel(zerolog.InfoLevel)
+	case "debug":
+		zerolog.SetGlobalLevel(zerolog.DebugLevel)
+	case "trace":
+		zerolog.SetGlobalLevel(zerolog.TraceLevel)
+	}
+}