Attempt to fix the graphQL endpoint setup.

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/andybalholm/brotli v1.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/klauspost/compress v1.12.2 // indirect
+	github.com/lukaszraczylo/zero v0.0.0-20160322155811-4a4535dd56e7
 	github.com/stretchr/testify v1.7.0
 	github.com/tidwall/gjson v1.8.0
 	github.com/valyala/fasthttp v1.24.0

go.sum

@@ -8,6 +8,8 @@ github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/klauspost/compress v1.11.8/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/compress v1.12.2 h1:2KCfW3I9M7nSc5wOqXAlW2v2U6v+w6cbjvbfp+OykW8=
 github.com/klauspost/compress v1.12.2/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
+github.com/lukaszraczylo/zero v0.0.0-20160322155811-4a4535dd56e7 h1:9l31ZdbJuSK5sQH4hldeHB/ulflee5srCFzT4Oxm65Q=
+github.com/lukaszraczylo/zero v0.0.0-20160322155811-4a4535dd56e7/go.mod h1:UOwgylrs4V/Vzo1KfbjhzU+iB/5Pu4HnSpgE8WI14gs=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

gql.go

@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/lukaszraczylo/zero"
 	"github.com/tidwall/gjson"
 	"github.com/valyala/fasthttp"
 )
@@ -27,10 +28,12 @@ type requestBase struct {
 
 func prepare() {
 	value, present := os.LookupEnv("GRAPHQL_ENDPOINT")
-	if GraphQLUrl == "" && present {
+	if present {
 		GraphQLUrl = value
-	} else if GraphQLUrl == "" && !present {
+	} else if zero.IsZero(GraphQLUrl) && !present {
 		GraphQLUrl = "http://127.0.0.1:9090/v1/graphql"
+	} else {
+		fmt.Println("GraphQL endpoint not set.")
 	}
 }
 

gql_test.go

@@ -146,8 +146,8 @@ func (suite *TestSuite) Test_initialize() {
 		},
 		{
 			name:           "Setting custom endpoint (VAR)",
-			local_endpoint: "http://127.0.0.1:8080/v1/graphql",
-			expected:       "http://127.0.0.1:8080/v1/graphql",
+			local_endpoint: "http://127.0.0.1:8090/v1/graphql",
+			expected:       "http://127.0.0.1:8090/v1/graphql",
 		},
 		{
 			name:           "Setting custom endpoint (VAR)",