create default cachedir for tests

cmd/dep/ensure_test.go

@@ -10,6 +10,7 @@ import (
 	"go/build"
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"strings"
 	"testing"
 
@@ -200,6 +201,8 @@ func TestValidateUpdateArgs(t *testing.T) {
 
 	h.TempDir("src")
 	pwd := h.Path(".")
+	// Create the directory for default cachedir location.
+	h.TempDir(filepath.Join("pkg", "dep"))
 
 	stderrOutput := &bytes.Buffer{}
 	errLogger := log.New(stderrOutput, "", 0)

cmd/dep/gopath_scanner_test.go

@@ -7,6 +7,7 @@ package main
 import (
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"reflect"
 	"testing"
 
@@ -22,6 +23,8 @@ const testProject2 string = "github.com/sdboyer/deptestdos"
 func NewTestContext(h *test.Helper) *dep.Ctx {
 	h.TempDir("src")
 	pwd := h.Path(".")
+	// Create the directory for default cachedir location.
+	h.TempDir(filepath.Join("pkg", "dep"))
 	discardLogger := log.New(ioutil.Discard, "", 0)
 
 	return &dep.Ctx{

cmd/dep/status_test.go

@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"reflect"
 	"testing"
 	"text/tabwriter"
@@ -384,6 +385,8 @@ func TestCollectConstraints(t *testing.T) {
 
 	h.TempDir("src")
 	pwd := h.Path(".")
+	// Create the directory for default cachedir location.
+	h.TempDir(filepath.Join("pkg", "dep"))
 	discardLogger := log.New(ioutil.Discard, "", 0)
 
 	ctx := &dep.Ctx{

internal/importers/importertest/testcase.go

@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"sort"
 	"strings"
 	"testing"
@@ -35,6 +36,8 @@ type TestCase struct {
 func NewTestContext(h *test.Helper) *dep.Ctx {
 	h.TempDir("src")
 	pwd := h.Path(".")
+	// Create the directory for default cachedir location.
+	h.TempDir(filepath.Join("pkg", "dep"))
 	discardLogger := log.New(ioutil.Discard, "", 0)
 
 	return &dep.Ctx{

internal/test/integration/testproj.go

@@ -53,6 +53,8 @@ func NewTestProject(t *testing.T, initPath, wd string, run RunFunc) *TestProject
 	new.CopyTree(initPath)
 
 	new.Setenv("GOPATH", new.tempdir)
+	// Create the directory for default cachedir location.
+	new.TempDir("pkg", "dep")
 
 	return new
 }

manifest_test.go

@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"reflect"
 	"strings"
 	"testing"
@@ -562,6 +563,8 @@ func TestValidateProjectRoots(t *testing.T) {
 
 	h.TempDir("src")
 	pwd := h.Path(".")
+	// Create the directory for default cachedir location.
+	h.TempDir(filepath.Join("pkg", "dep"))
 
 	// Capture the stderr to verify the warnings
 	stderrOutput := &bytes.Buffer{}

test_project_context_test.go

@@ -30,6 +30,8 @@ func NewTestProjectContext(h *test.Helper, projectName string) *TestProjectConte
 	// Create the test project directory
 	pc.tempProjectDir = filepath.Join("src", projectName)
 	h.TempDir(pc.tempProjectDir)
+	// Create the directory for default cachedir location.
+	h.TempDir(filepath.Join(pc.tempDir, "pkg", "dep"))
 	pc.tempDir = h.Path(".")
 	pc.Project = &Project{AbsRoot: filepath.Join(pc.tempDir, pc.tempProjectDir)}
 	h.Cd(pc.Project.AbsRoot)