fix tests and Travis CI config

Author: dmgk

.travis.yml

@@ -4,3 +4,5 @@ language: go
 go:
   - 1.x
   - tip
+
+script: make test

Makefile

@@ -5,7 +5,7 @@ build:
 
 test: all
 	go test -tags=online ./...
-	./test.sh
+	./e2e.sh
 
 install:
 	@go install

test.sh renamed to e2e.sh

@@ -10,4 +10,5 @@ for given in testdata/*_modules.txt; do
 
     ./modules2tuple ${given} > ${actual}
     diff -u ${expected} ${actual}
+    rm ${actual}
 done

parser/parser_offline_test.go

@@ -0,0 +1,9 @@
+// +build !online
+
+package parser
+
+import "github.com/dmgk/modules2tuple/config"
+
+func init() {
+	config.Offline = true
+}

parser/parser_online_test.go

@@ -5,8 +5,14 @@ package parser
 import (
 	"strings"
 	"testing"
+
+	"github.com/dmgk/modules2tuple/config"
 )
 
+func init() {
+	config.Offline = false
+}
+
 func TestUniqueProjectAndTag(t *testing.T) {
 	given := `
 # github.com/json-iterator/go v1.1.7

tuple/resolver_test.go

@@ -3,8 +3,14 @@ package tuple
 import (
 	"fmt"
 	"testing"
+
+	"github.com/dmgk/modules2tuple/config"
 )
 
+func init() {
+	config.Offline = true
+}
+
 type resolverExample struct {
 	pkg                      string
 	source                   Source

tuple/tuple_test.go

@@ -3,8 +3,14 @@ package tuple
 import (
 	"strings"
 	"testing"
+
+	"github.com/dmgk/modules2tuple/config"
 )
 
+func init() {
+	config.Offline = true
+}
+
 func TestParseRegularSpec(t *testing.T) {
 	examples := [][]string{
 		// spec, expected package, expected version