зеркало из https://github.com/microsoft/docker.git
136 строки
3.0 KiB
Go
136 строки
3.0 KiB
Go
package engine
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import (
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"bytes"
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"strings"
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"testing"
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)
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func TestRegister(t *testing.T) {
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if err := Register("dummy1", nil); err != nil {
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t.Fatal(err)
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}
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if err := Register("dummy1", nil); err == nil {
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t.Fatalf("Expecting error, got none")
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}
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// Register is global so let's cleanup to avoid conflicts
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defer unregister("dummy1")
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eng := New()
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//Should fail because global handlers are copied
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//at the engine creation
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if err := eng.Register("dummy1", nil); err == nil {
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t.Fatalf("Expecting error, got none")
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}
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if err := eng.Register("dummy2", nil); err != nil {
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t.Fatal(err)
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}
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if err := eng.Register("dummy2", nil); err == nil {
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t.Fatalf("Expecting error, got none")
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}
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defer unregister("dummy2")
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}
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func TestJob(t *testing.T) {
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eng := New()
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job1 := eng.Job("dummy1", "--level=awesome")
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if job1.handler != nil {
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t.Fatalf("job1.handler should be empty")
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}
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h := func(j *Job) Status {
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j.Printf("%s\n", j.Name)
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return 42
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}
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eng.Register("dummy2", h)
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defer unregister("dummy2")
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job2 := eng.Job("dummy2", "--level=awesome")
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if job2.handler == nil {
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t.Fatalf("job2.handler shouldn't be nil")
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}
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if job2.handler(job2) != 42 {
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t.Fatalf("handler dummy2 was not found in job2")
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}
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}
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func TestEngineCommands(t *testing.T) {
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eng := New()
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handler := func(job *Job) Status { return StatusOK }
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eng.Register("foo", handler)
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eng.Register("bar", handler)
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eng.Register("echo", handler)
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eng.Register("die", handler)
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var output bytes.Buffer
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commands := eng.Job("commands")
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commands.Stdout.Add(&output)
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commands.Run()
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expected := "bar\ncommands\ndie\necho\nfoo\n"
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if result := output.String(); result != expected {
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t.Fatalf("Unexpected output:\nExpected = %v\nResult = %v\n", expected, result)
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}
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}
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func TestEngineString(t *testing.T) {
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eng1 := New()
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eng2 := New()
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s1 := eng1.String()
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s2 := eng2.String()
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if eng1 == eng2 {
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t.Fatalf("Different engines should have different names (%v == %v)", s1, s2)
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}
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}
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func TestEngineLogf(t *testing.T) {
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eng := New()
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input := "Test log line"
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if n, err := eng.Logf("%s\n", input); err != nil {
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t.Fatal(err)
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} else if n < len(input) {
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t.Fatalf("Test: Logf() should print at least as much as the input\ninput=%d\nprinted=%d", len(input), n)
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}
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}
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func TestParseJob(t *testing.T) {
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eng := New()
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// Verify that the resulting job calls to the right place
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var called bool
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eng.Register("echo", func(job *Job) Status {
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called = true
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return StatusOK
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})
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input := "echo DEBUG=1 hello world VERBOSITY=42"
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job, err := eng.ParseJob(input)
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if err != nil {
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t.Fatal(err)
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}
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if job.Name != "echo" {
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t.Fatalf("Invalid job name: %v", job.Name)
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}
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if strings.Join(job.Args, ":::") != "hello:::world" {
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t.Fatalf("Invalid job args: %v", job.Args)
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}
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if job.Env().Get("DEBUG") != "1" {
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t.Fatalf("Invalid job env: %v", job.Env)
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}
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if job.Env().Get("VERBOSITY") != "42" {
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t.Fatalf("Invalid job env: %v", job.Env)
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}
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if len(job.Env().Map()) != 2 {
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t.Fatalf("Invalid job env: %v", job.Env)
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}
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if err := job.Run(); err != nil {
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t.Fatal(err)
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}
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if !called {
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t.Fatalf("Job was not called")
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}
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}
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