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add more tests

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Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass 2019-06-13 05:36:21 +00:00
parent 6db9f1c3d6
commit 02f1eb89a4
1 changed files with 55 additions and 40 deletions
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95
integration/container/copy_test.go
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@ -72,7 +72,7 @@ func TestCopyToContainerPathIsNotDir(t *testing.T) {
assert.Assert(t, is.ErrorContains(err, "not a directory"))
}
func TestCopyFromContainerRoot(t *testing.T) {
func TestCopyFromContainer(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
defer setupTest(t)()
@ -84,9 +84,10 @@ func TestCopyFromContainerRoot(t *testing.T) {
defer os.RemoveAll(dir)
buildCtx := fakecontext.New(t, dir, fakecontext.WithFile("foo", "hello"), fakecontext.WithFile("baz", "world"), fakecontext.WithDockerfile(`
FROM scratch
FROM busybox
COPY foo /foo
COPY baz /bar/baz
COPY baz /bar/quux/baz
RUN ln -s notexist /bar/notarget && ln -s quux/baz /bar/filesymlink && ln -s quux /bar/dirsymlink && ln -s / /bar/root
CMD /fake
`))
defer buildCtx.Close()
@ -106,43 +107,57 @@ func TestCopyFromContainerRoot(t *testing.T) {
cid := container.Create(ctx, t, apiClient, container.WithImage(imageID))
rdr, _, err := apiClient.CopyFromContainer(ctx, cid, "/")
assert.NilError(t, err)
defer rdr.Close()
for _, x := range []struct {
src string
expect map[string]string
}{
{"/", map[string]string{"/": "", "/foo": "hello", "/bar/quux/baz": "world", "/bar/filesymlink": "", "/bar/dirsymlink": "", "/bar/notarget": ""}},
{"/bar/root", map[string]string{"root": ""}},
{"/bar/root/", map[string]string{"root/": "", "root/foo": "hello", "root/bar/quux/baz": "world", "root/bar/filesymlink": "", "root/bar/dirsymlink": "", "root/bar/notarget": ""}},
tr := tar.NewReader(rdr)
expect := map[string]string{
"/foo": "hello",
"/bar/baz": "world",
{"bar/quux", map[string]string{"quux/": "", "quux/baz": "world"}},
{"bar/quux/", map[string]string{"quux/": "", "quux/baz": "world"}},
{"bar/quux/baz", map[string]string{"baz": "world"}},
{"bar/filesymlink", map[string]string{"filesymlink": ""}},
{"bar/dirsymlink", map[string]string{"dirsymlink": ""}},
{"bar/dirsymlink/", map[string]string{"dirsymlink/": "", "dirsymlink/baz": "world"}},
{"bar/notarget", map[string]string{"notarget": ""}},
} {
t.Run(x.src, func(t *testing.T) {
rdr, _, err := apiClient.CopyFromContainer(ctx, cid, x.src)
assert.NilError(t, err)
defer rdr.Close()
found := make(map[string]bool, len(x.expect))
var numFound int
tr := tar.NewReader(rdr)
for numFound < len(x.expect) {
h, err := tr.Next()
if err == io.EOF {
break
}
assert.NilError(t, err)
expected, exists := x.expect[h.Name]
if !exists {
// this archive will have extra stuff in it since we are copying from root
// and docker adds a bunch of stuff
continue
}
numFound++
found[h.Name] = true
buf, err := ioutil.ReadAll(tr)
if err == nil {
assert.Check(t, is.Equal(string(buf), expected))
}
}
for f := range x.expect {
assert.Check(t, found[f], f+" not found in archive")
}
})
}
found := make(map[string]bool, 2)
var numFound int
for {
h, err := tr.Next()
if err == io.EOF {
break
}
assert.NilError(t, err)
expected, exists := expect[h.Name]
if !exists {
// this archive will have extra stuff in it since we are copying from root
// and docker adds a bunch of stuff
continue
}
numFound++
found[h.Name] = true
buf, err := ioutil.ReadAll(tr)
assert.NilError(t, err)
assert.Check(t, is.Equal(string(buf), expected))
if numFound == len(expect) {
break
}
}
assert.Check(t, found["/foo"], "/foo file not found in archive")
assert.Check(t, found["/bar/baz"], "/bar/baz file not found in archive")
}