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dockerfile: add regression test for wildcard cache

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2019-03-10 14:51:07 -07:00
parent c4ef668f62
commit c57e5b22ea
1 changed files with 86 additions and 0 deletions
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86
frontend/dockerfile/dockerfile_test.go
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@@ -86,6 +86,7 @@ var allTests = []integration.Test{
testWorkdirCreatesDir,
testDockerfileAddArchiveWildcard,
testCopyChownExistingDir,
testCopyWildcardCache,
}
var opts []integration.TestOpt
@@ -317,6 +318,91 @@ RUN e="300:400"; p="/file" ; a=` + "`" + `stat -c "%u:%g
require.NoError(t, err)
}
func testCopyWildcardCache(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(`
FROM busybox AS base
COPY foo* files/
RUN cat /dev/urandom | head -c 100 | sha256sum > unique
COPY bar files/
FROM scratch
COPY --from=base unique /
`)
dir, err := tmpdir(
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("foo1", []byte("foo1-data"), 0600),
fstest.CreateFile("foo2", []byte("foo2-data"), 0600),
fstest.CreateFile("bar", []byte("bar-data"), 0600),
)
require.NoError(t, err)
defer os.RemoveAll(dir)
c, err := client.New(context.TODO(), sb.Address())
require.NoError(t, err)
defer c.Close()
destDir, err := ioutil.TempDir("", "buildkit")
require.NoError(t, err)
defer os.RemoveAll(destDir)
_, err = f.Solve(context.TODO(), c, client.SolveOpt{
Exporter: client.ExporterLocal,
ExporterOutputDir: destDir,
LocalDirs: map[string]string{
builder.DefaultLocalNameDockerfile: dir,
builder.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
dt, err := ioutil.ReadFile(filepath.Join(destDir, "unique"))
require.NoError(t, err)
err = ioutil.WriteFile(filepath.Join(dir, "bar"), []byte("bar-data-mod"), 0600)
require.NoError(t, err)
destDir, err = ioutil.TempDir("", "buildkit")
require.NoError(t, err)
defer os.RemoveAll(destDir)
_, err = f.Solve(context.TODO(), c, client.SolveOpt{
Exporter: client.ExporterLocal,
ExporterOutputDir: destDir,
LocalDirs: map[string]string{
builder.DefaultLocalNameDockerfile: dir,
builder.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
dt2, err := ioutil.ReadFile(filepath.Join(destDir, "unique"))
require.NoError(t, err)
require.Equal(t, string(dt), string(dt2))
err = ioutil.WriteFile(filepath.Join(dir, "foo2"), []byte("foo2-data-mod"), 0600)
require.NoError(t, err)
destDir, err = ioutil.TempDir("", "buildkit")
require.NoError(t, err)
defer os.RemoveAll(destDir)
_, err = f.Solve(context.TODO(), c, client.SolveOpt{
Exporter: client.ExporterLocal,
ExporterOutputDir: destDir,
LocalDirs: map[string]string{
builder.DefaultLocalNameDockerfile: dir,
builder.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
dt2, err = ioutil.ReadFile(filepath.Join(destDir, "unique"))
require.NoError(t, err)
require.NotEqual(t, string(dt), string(dt2))
}
func testEmptyWildcard(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)