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moby--moby/utils/utils_test.go

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2013-05-14 18:37:35 -04:00
package utils
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import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
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"testing"
)
func TestReplaceAndAppendEnvVars(t *testing.T) {
var (
d = []string{"HOME=/"}
o = []string{"HOME=/root", "TERM=xterm"}
)
env := ReplaceOrAppendEnvValues(d, o)
if len(env) != 2 {
t.Fatalf("expected len of 2 got %d", len(env))
}
if env[0] != "HOME=/root" {
t.Fatalf("expected HOME=/root got '%s'", env[0])
}
if env[1] != "TERM=xterm" {
t.Fatalf("expected TERM=xterm got '%s'", env[1])
}
}
func TestImageReference(t *testing.T) {
tests := []struct {
repo string
ref string
expected string
}{
{"repo", "tag", "repo:tag"},
{"repo", "sha256:c100b11b25d0cacd52c14e0e7bf525e1a4c0e6aec8827ae007055545909d1a64", "repo@sha256:c100b11b25d0cacd52c14e0e7bf525e1a4c0e6aec8827ae007055545909d1a64"},
}
for i, test := range tests {
actual := ImageReference(test.repo, test.ref)
if test.expected != actual {
t.Errorf("%d: expected %q, got %q", i, test.expected, actual)
}
}
}
func TestDigestReference(t *testing.T) {
input := "sha256:c100b11b25d0cacd52c14e0e7bf525e1a4c0e6aec8827ae007055545909d1a64"
if !DigestReference(input) {
t.Errorf("Expected DigestReference=true for input %q", input)
}
input = "latest"
if DigestReference(input) {
t.Errorf("Unexpected DigestReference=true for input %q", input)
}
}
func TestReadDockerIgnore(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "dockerignore-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
diName := filepath.Join(tmpDir, ".dockerignore")
di, err := ReadDockerIgnore(diName)
if err != nil {
t.Fatalf("Expected not to have error, got %s", err)
}
if diLen := len(di); diLen != 0 {
t.Fatalf("Expected to have zero dockerignore entry, got %d", diLen)
}
content := fmt.Sprintf("test1\n/test2\n/a/file/here\n\nlastfile")
err = ioutil.WriteFile(diName, []byte(content), 0777)
if err != nil {
t.Fatal(err)
}
di, err = ReadDockerIgnore(diName)
if err != nil {
t.Fatal(err)
}
if di[0] != "test1" {
t.Fatalf("First element is not test1")
}
if di[1] != "/test2" {
t.Fatalf("Second element is not /test2")
}
if di[2] != "/a/file/here" {
t.Fatalf("Third element is not /a/file/here")
}
if di[3] != "lastfile" {
t.Fatalf("Fourth element is not lastfile")
}
}