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84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package image
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/docker/cli/e2e/internal/fixtures"
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"github.com/gotestyourself/gotestyourself/fs"
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"github.com/gotestyourself/gotestyourself/icmd"
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"github.com/pkg/errors"
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)
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func TestBuildFromContextDirectoryWithTag(t *testing.T) {
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dir := fs.NewDir(t, "test-build-context-dir",
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fs.WithFile("run", "echo running", fs.WithMode(0755)),
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fs.WithDir("data", fs.WithFile("one", "1111")),
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fs.WithFile("Dockerfile", fmt.Sprintf(`
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FROM %s
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COPY run /usr/bin/run
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RUN run
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COPY data /data
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`, fixtures.AlpineImage)))
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defer dir.Remove()
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result := icmd.RunCmd(
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icmd.Command("docker", "build", "-t", "myimage", "."),
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withWorkingDir(dir))
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result.Assert(t, icmd.Expected{Err: icmd.None})
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assertBuildOutput(t, result.Stdout(), map[int]lineCompare{
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0: prefix("Sending build context to Docker daemon"),
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1: equals("Step 1/4 : FROM\tregistry:5000/alpine:3.6"),
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3: equals("Step 2/4 : COPY\trun /usr/bin/run"),
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5: equals("Step 3/4 : RUN\t\trun"),
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7: equals("running"),
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8: prefix("Removing intermediate container "),
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10: equals("Step 4/4 : COPY\tdata /data"),
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12: prefix("Successfully built "),
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13: equals("Successfully tagged myimage:latest"),
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})
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}
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func withWorkingDir(dir *fs.Dir) func(*icmd.Cmd) {
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return func(cmd *icmd.Cmd) {
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cmd.Dir = dir.Path()
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}
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}
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func assertBuildOutput(t *testing.T, actual string, expectedLines map[int]lineCompare) {
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for i, line := range strings.Split(actual, "\n") {
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cmp, ok := expectedLines[i]
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if !ok {
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continue
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}
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if err := cmp(line); err != nil {
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t.Errorf("line %d: %s", i, err)
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}
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}
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if t.Failed() {
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t.Log(actual)
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}
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}
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type lineCompare func(string) error
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func prefix(expected string) func(string) error {
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return func(actual string) error {
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if strings.HasPrefix(actual, expected) {
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return nil
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}
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return errors.Errorf("expected %s to start with %s", actual, expected)
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}
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}
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func equals(expected string) func(string) error {
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return func(actual string) error {
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if expected == actual {
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return nil
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}
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return errors.Errorf("got %s, expected %s", actual, expected)
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}
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}
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