parser package

.github/workflows/ci.yml

@@ -14,4 +14,4 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version-file: go.mod
-      - run: go test
+      - run: go test ./parser -coverprofile=coverage.out -v

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version-file: go.mod
-      - run: go test
+      - run: go test ./parser -coverprofile=coverage.out -v
       - uses: goreleaser/goreleaser-action@v4
         with:
           distribution: goreleaser

main.go

@@ -4,37 +4,10 @@ import (
 	"flag"
 	"fmt"
 	"io/ioutil"
-	"os"
-	"regexp"
-	"strings"
+	"michaelhenry/envject/parser"
 )
 
 
-
-func ReplaceEnvVariables(input string) string {
-	// Handling the following formats:
-	// - $ENV_NAME
-	// - ${ENV_NAME}
-	// - $(ENV_NAME)
-	envPattern := regexp.MustCompile(`\$(\w+)|\$(\{?(\w+)\})\.?|\$(\(?(\w+)\))\.?`)
-
-	// Replace all matches with the corresponding environment variable value
-	return envPattern.ReplaceAllStringFunc(input, func(match string) string {
-		envName := strings.TrimPrefix(match, "$")
-		envName = strings.TrimPrefix(envName, "(")
-		envName = strings.TrimPrefix(envName, "{")
-		envName = strings.TrimSuffix(envName, "}")
-		envName = strings.TrimSuffix(envName, ")")
-
-		envValue, found := os.LookupEnv(envName)
-		if found {
-			return envValue
-		} else {
-			return match // If the variable is not found, leave the original string as-is
-		}
-	})
-}
-
 func main() {
 	// Define command-line flags
 	filePath := flag.String("file", "", "File to inject environment variables")
@@ -49,7 +22,7 @@ func main() {
 	}
 
 	fileContent := string(fileBytes)
-	updatedContent := ReplaceEnvVariables(fileContent)
+	updatedContent := parser.ReplaceEnvVariables(fileContent)
 
 	// Check if debug flag is true
   if flag.Lookup("debug").Value.String() == "true" {

parser/parser.go

@@ -0,0 +1,32 @@
+package parser
+
+import (
+	"os"
+	"regexp"
+	"strings"
+)
+
+
+func ReplaceEnvVariables(input string) string {
+	// Handling the following formats:
+	// - $ENV_NAME
+	// - ${ENV_NAME}
+	// - $(ENV_NAME)
+	envPattern := regexp.MustCompile(`\$(\w+)|\$(\{?(\w+)\})\.?|\$(\(?(\w+)\))\.?`)
+
+	// Replace all matches with the corresponding environment variable value
+	return envPattern.ReplaceAllStringFunc(input, func(match string) string {
+		envName := strings.TrimPrefix(match, "$")
+		envName = strings.TrimPrefix(envName, "(")
+		envName = strings.TrimPrefix(envName, "{")
+		envName = strings.TrimSuffix(envName, "}")
+		envName = strings.TrimSuffix(envName, ")")
+
+		envValue, found := os.LookupEnv(envName)
+		if found {
+			return envValue
+		} else {
+			return match // If the variable is not found, leave the original string as-is
+		}
+	})
+}

envject_test.go → parser/parser_test.go

@@ -1,4 +1,4 @@
-package main
+package parser
 
 import (
 	"os"
@@ -84,4 +84,4 @@ func TestVenvInjectWithNoSetEnvValues(t *testing.T){
 	if got != want {
 			t.Errorf("got %q, wanted %q", got, want)
 	}
-}
+}