53 lines
1.8 KiB
Go
53 lines
1.8 KiB
Go
package llb
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import (
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"context"
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"testing"
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"github.com/moby/buildkit/solver/pb"
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"github.com/stretchr/testify/require"
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)
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func TestTmpfsMountError(t *testing.T) {
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t.Parallel()
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st := Image("foo").Run(Shlex("args")).AddMount("/tmp", Scratch(), Tmpfs())
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_, err := st.Marshal(context.TODO())
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require.Error(t, err)
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require.Contains(t, err.Error(), "can't be used as a parent")
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st = Image("foo").Run(Shlex("args"), AddMount("/tmp", Scratch(), Tmpfs())).Root()
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_, err = st.Marshal(context.TODO())
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require.NoError(t, err)
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st = Image("foo").Run(Shlex("args"), AddMount("/tmp", Image("bar"), Tmpfs())).Root()
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_, err = st.Marshal(context.TODO())
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require.Error(t, err)
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require.Contains(t, err.Error(), "must use scratch")
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}
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func TestValidGetMountIndex(t *testing.T) {
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// tests for https://github.com/moby/buildkit/issues/1520
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// tmpfs mount /c will sort later than target mount /b, /b will have output index==1
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st := Image("foo").Run(Shlex("args"), AddMount("/b", Scratch()), AddMount("/c", Scratch(), Tmpfs())).GetMount("/b")
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mountOutput, ok := st.Output().(*output)
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require.True(t, ok, "mount output is expected type")
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mountIndex, err := mountOutput.getIndex()
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require.NoError(t, err, "failed to getIndex")
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require.Equal(t, pb.OutputIndex(1), mountIndex, "unexpected mount index")
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// now swapping so the tmpfs mount /a will sort earlier than the target mount /b, /b should still have output index==1
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st = Image("foo").Run(Shlex("args"), AddMount("/b", Scratch()), AddMount("/a", Scratch(), Tmpfs())).GetMount("/b")
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mountOutput, ok = st.Output().(*output)
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require.True(t, ok, "mount output is expected type")
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mountIndex, err = mountOutput.getIndex()
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require.NoError(t, err, "failed to getIndex")
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require.Equal(t, pb.OutputIndex(1), mountIndex, "unexpected mount index")
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}
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