121 lines
2.4 KiB
Go
121 lines
2.4 KiB
Go
package client
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"time"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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func TestDiffAllocs(t *testing.T) {
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alloc1 := mock.Alloc() // Ignore
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alloc2 := mock.Alloc() // Update
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alloc2u := new(structs.Allocation)
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*alloc2u = *alloc2
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alloc2u.ModifyIndex += 1
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alloc3 := mock.Alloc() // Remove
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alloc4 := mock.Alloc() // Add
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exist := []*structs.Allocation{
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alloc1,
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alloc2,
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alloc3,
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}
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updated := []*structs.Allocation{
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alloc1,
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alloc2u,
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alloc4,
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}
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result := diffAllocs(exist, updated)
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if len(result.ignore) != 1 || result.ignore[0] != alloc1 {
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t.Fatalf("Bad: %#v", result.ignore)
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}
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if len(result.added) != 1 || result.added[0] != alloc4 {
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t.Fatalf("Bad: %#v", result.added)
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}
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if len(result.removed) != 1 || result.removed[0] != alloc3 {
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t.Fatalf("Bad: %#v", result.removed)
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}
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if len(result.updated) != 1 {
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t.Fatalf("Bad: %#v", result.updated)
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}
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if result.updated[0].exist != alloc2 || result.updated[0].updated != alloc2u {
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t.Fatalf("Bad: %#v", result.updated)
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}
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}
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func TestRandomStagger(t *testing.T) {
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intv := time.Minute
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for i := 0; i < 10; i++ {
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stagger := randomStagger(intv)
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if stagger < 0 || stagger >= intv {
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t.Fatalf("Bad: %v", stagger)
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}
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}
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}
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func TestShuffleStrings(t *testing.T) {
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// Generate input
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inp := make([]string, 10)
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for idx := range inp {
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inp[idx] = structs.GenerateUUID()
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}
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// Copy the input
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orig := make([]string, len(inp))
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copy(orig, inp)
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// Shuffle
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shuffleStrings(inp)
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// Ensure order is not the same
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if reflect.DeepEqual(inp, orig) {
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t.Fatalf("shuffle failed")
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}
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}
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func TestPersistRestoreState(t *testing.T) {
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dir, err := ioutil.TempDir("", "nomad")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.RemoveAll(dir)
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// Use a state path inside a non-existent directory. This
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// verifies that the directory is created properly.
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statePath := filepath.Join(dir, "subdir", "test-persist")
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type stateTest struct {
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Foo int
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Bar string
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Baz bool
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}
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state := stateTest{
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Foo: 42,
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Bar: "the quick brown fox",
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Baz: true,
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}
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err = persistState(statePath, &state)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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var out stateTest
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err = restoreState(statePath, &out)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !reflect.DeepEqual(state, out) {
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t.Fatalf("bad: %#v %#v", state, out)
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}
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}
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