feat: relative manifest file path support (#42)

Author: Deepak Sharma

cmd/analyse.go

@@ -66,11 +66,12 @@ func runAnalyse(cmd *cobra.Command, args []string) {
 		)
 		os.Exit(1)
 	}
+	manifestPath := getAbsPath(args[0])
 	requestParams := driver.RequestType{
 		UserID:          viper.GetString("crda_key"),
 		ThreeScaleToken: viper.GetString("auth_token"),
 		Host:            viper.GetString("host"),
-		RawManifestFile: args[0],
+		RawManifestFile: manifestPath,
 	}
 	if !jsonOut {
 		fmt.Fprintln(os.Stdout, "Analysing your Dependency Stack! Please wait...")
@@ -81,3 +82,12 @@ func runAnalyse(cmd *cobra.Command, args []string) {
 		os.Exit(2)
 	}
 }
+
+// getAbsPath converts relative path to Abs
+func getAbsPath(givenPath string) string {
+	manifestPath, err := filepath.Abs(givenPath)
+	if err != nil {
+		log.Fatal().Err(err).Msgf("Unable to convert to Absolute file path.")
+	}
+	return manifestPath
+}

cmd/analyse_test.go

@@ -0,0 +1,17 @@
+package cmd
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+// TestGetAbsPath tests Absolute Path func.
+func TestGetAbsPath(t *testing.T) {
+	got := getAbsPath("testdata/requirements.txt")
+	want, _ := filepath.Abs("testdata/requirements.txt")
+	if diff := cmp.Diff(want, got); diff != "" {
+		t.Errorf("Error in getAbsPath func. (-want, +got):\n%s", diff)
+	}
+}

cmd/testdata/requirements.txt

@@ -0,0 +1,18 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file=requirements.txt requirements.in
+#
+click==7.0                # via flask
+codecov==2.1.11
+flask==1.0.2
+gunicorn==19.9.0
+itsdangerous==1.1.0       # via flask
+jinja2==2.11.3            # via flask
+markupsafe==1.1.1         # via jinja2
+prometheus_client==0.6.0
+werkzeug==0.15.4          # via flask
+raven[flask]==6.10.0
+contextlib2==0.5.5        # via raven
+blinker==1.4              # via raven

cmd/validators.go

@@ -4,25 +4,16 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"path/filepath"
 
 	"github.com/spf13/cobra"
 )
 
-func checkFileExists(file string) bool {
-	isAbsPath := filepath.IsAbs(file)
-	if _, err := os.Stat(file); os.IsNotExist(err) {
-		return false
-	}
-	return isAbsPath
-}
-
 func validateFileArg(cmd *cobra.Command, args []string) error {
 	if len(args) < 1 {
-		return errors.New("requires absolute file path	")
+		return errors.New("Requires valid manifest file path.")
 	}
-	if checkFileExists(args[0]) {
-		return nil
+	if _, err := os.Stat(args[0]); os.IsNotExist(err) {
+		return errors.New(fmt.Sprintf("Invalid file path: %s", args[0]))
 	}
-	return fmt.Errorf("Invalid file path: %s", args[0])
+	return nil
 }