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open-nomad
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open-nomad/nomad/structs/diff_test.go

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package structs
import (
"reflect"
"testing"
"time"
)
func TestJobDiff(t *testing.T) {
cases := []struct {
Old, New *Job
Expected *JobDiff
Error bool
Contextual bool
}{
{
Old: nil,
New: nil,
Expected: &JobDiff{
Type: DiffTypeNone,
},
},
{
// Different IDs
Old: &Job{
ID: "foo",
},
New: &Job{
ID: "bar",
},
Error: true,
},
{
// Primitive only that is the same
Old: &Job{
Region: "foo",
ID: "foo",
Name: "foo",
Type: "batch",
Priority: 10,
AllAtOnce: true,
Meta: map[string]string{
"foo": "bar",
},
},
New: &Job{
Region: "foo",
ID: "foo",
Name: "foo",
Type: "batch",
Priority: 10,
AllAtOnce: true,
Meta: map[string]string{
"foo": "bar",
},
},
Expected: &JobDiff{
Type: DiffTypeNone,
ID: "foo",
},
},
{
// Primitive only that is has diffs
Old: &Job{
Region: "foo",
ID: "foo",
Name: "foo",
Type: "batch",
Priority: 10,
AllAtOnce: true,
Meta: map[string]string{
"foo": "bar",
},
},
New: &Job{
Region: "bar",
ID: "foo",
Name: "bar",
Type: "system",
Priority: 100,
AllAtOnce: false,
Meta: map[string]string{
"foo": "baz",
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
ID: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "AllAtOnce",
Old: "true",
New: "false",
},
{
Type: DiffTypeEdited,
Name: "Meta[foo]",
Old: "bar",
New: "baz",
},
{
Type: DiffTypeEdited,
Name: "Name",
Old: "foo",
New: "bar",
},
{
Type: DiffTypeEdited,
Name: "Priority",
Old: "10",
New: "100",
},
{
Type: DiffTypeEdited,
Name: "Region",
Old: "foo",
New: "bar",
},
{
Type: DiffTypeEdited,
Name: "Type",
Old: "batch",
New: "system",
},
},
},
},
{
// Primitive only deleted job
Old: &Job{
Region: "foo",
ID: "foo",
Name: "foo",
Type: "batch",
Priority: 10,
AllAtOnce: true,
Meta: map[string]string{
"foo": "bar",
},
},
New: nil,
Expected: &JobDiff{
Type: DiffTypeDeleted,
ID: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "AllAtOnce",
Old: "true",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Meta[foo]",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Name",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Priority",
Old: "10",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Region",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Type",
Old: "batch",
New: "",
},
},
Objects: []*ObjectDiff{
{
Type: DiffTypeDeleted,
Name: "Update",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "MaxParallel",
Old: "0",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Stagger",
Old: "0",
New: "",
},
},
},
},
},
},
{
// Primitive only added job
Old: nil,
New: &Job{
Region: "foo",
ID: "foo",
Name: "foo",
Type: "batch",
Priority: 10,
AllAtOnce: true,
Meta: map[string]string{
"foo": "bar",
},
},
Expected: &JobDiff{
Type: DiffTypeAdded,
ID: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "AllAtOnce",
Old: "",
New: "true",
},
{
Type: DiffTypeAdded,
Name: "Meta[foo]",
Old: "",
New: "bar",
},
{
Type: DiffTypeAdded,
Name: "Name",
Old: "",
New: "foo",
},
{
Type: DiffTypeAdded,
Name: "Priority",
Old: "",
New: "10",
},
{
Type: DiffTypeAdded,
Name: "Region",
Old: "",
New: "foo",
},
{
Type: DiffTypeAdded,
Name: "Type",
Old: "",
New: "batch",
},
},
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Update",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "MaxParallel",
Old: "",
New: "0",
},
{
Type: DiffTypeAdded,
Name: "Stagger",
Old: "",
New: "0",
},
},
},
},
},
},
{
// Map diff
Old: &Job{
Meta: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
New: &Job{
Meta: map[string]string{
"bar": "bar",
"baz": "baz",
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Meta[baz]",
Old: "",
New: "baz",
},
{
Type: DiffTypeDeleted,
Name: "Meta[foo]",
Old: "foo",
New: "",
},
},
},
},
{
// Datacenter diff both added and removed
Old: &Job{
Datacenters: []string{"foo", "bar"},
},
New: &Job{
Datacenters: []string{"baz", "bar"},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Datacenters",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Datacenters",
Old: "",
New: "baz",
},
{
Type: DiffTypeDeleted,
Name: "Datacenters",
Old: "foo",
New: "",
},
},
},
},
},
},
{
// Datacenter diff just added
Old: &Job{
Datacenters: []string{"foo", "bar"},
},
New: &Job{
Datacenters: []string{"foo", "bar", "baz"},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Datacenters",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Datacenters",
Old: "",
New: "baz",
},
},
},
},
},
},
{
// Datacenter diff just deleted
Old: &Job{
Datacenters: []string{"foo", "bar"},
},
New: &Job{
Datacenters: []string{"foo"},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeDeleted,
Name: "Datacenters",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Datacenters",
Old: "bar",
New: "",
},
},
},
},
},
},
{
// Update strategy edited
Old: &Job{
Update: UpdateStrategy{
Stagger: 10 * time.Second,
MaxParallel: 5,
},
},
New: &Job{
Update: UpdateStrategy{
Stagger: 60 * time.Second,
MaxParallel: 10,
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Update",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "MaxParallel",
Old: "5",
New: "10",
},
{
Type: DiffTypeEdited,
Name: "Stagger",
Old: "10000000000",
New: "60000000000",
},
},
},
},
},
},
{
// Update strategy edited with context
Contextual: true,
Old: &Job{
Update: UpdateStrategy{
Stagger: 10 * time.Second,
MaxParallel: 5,
},
},
New: &Job{
Update: UpdateStrategy{
Stagger: 60 * time.Second,
MaxParallel: 5,
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Update",
Fields: []*FieldDiff{
{
Type: DiffTypeNone,
Name: "MaxParallel",
Old: "5",
New: "5",
},
{
Type: DiffTypeEdited,
Name: "Stagger",
Old: "10000000000",
New: "60000000000",
},
},
},
},
},
},
{
// Periodic added
Old: &Job{},
New: &Job{
Periodic: &PeriodicConfig{
Enabled: false,
Spec: "*/15 * * * * *",
SpecType: "foo",
ProhibitOverlap: false,
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Periodic",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Enabled",
Old: "",
New: "false",
},
{
Type: DiffTypeAdded,
Name: "ProhibitOverlap",
Old: "",
New: "false",
},
{
Type: DiffTypeAdded,
Name: "Spec",
Old: "",
New: "*/15 * * * * *",
},
{
Type: DiffTypeAdded,
Name: "SpecType",
Old: "",
New: "foo",
},
},
},
},
},
},
{
// Periodic deleted
Old: &Job{
Periodic: &PeriodicConfig{
Enabled: false,
Spec: "*/15 * * * * *",
SpecType: "foo",
ProhibitOverlap: false,
},
},
New: &Job{},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeDeleted,
Name: "Periodic",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Enabled",
Old: "false",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "ProhibitOverlap",
Old: "false",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Spec",
Old: "*/15 * * * * *",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "SpecType",
Old: "foo",
New: "",
},
},
},
},
},
},
{
// Periodic edited
Old: &Job{
Periodic: &PeriodicConfig{
Enabled: false,
Spec: "*/15 * * * * *",
SpecType: "foo",
ProhibitOverlap: false,
},
},
New: &Job{
Periodic: &PeriodicConfig{
Enabled: true,
Spec: "* * * * * *",
SpecType: "cron",
ProhibitOverlap: true,
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Periodic",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Enabled",
Old: "false",
New: "true",
},
{
Type: DiffTypeEdited,
Name: "ProhibitOverlap",
Old: "false",
New: "true",
},
{
Type: DiffTypeEdited,
Name: "Spec",
Old: "*/15 * * * * *",
New: "* * * * * *",
},
{
Type: DiffTypeEdited,
Name: "SpecType",
Old: "foo",
New: "cron",
},
},
},
},
},
},
{
// Periodic edited with context
Contextual: true,
Old: &Job{
Periodic: &PeriodicConfig{
Enabled: false,
Spec: "*/15 * * * * *",
SpecType: "foo",
ProhibitOverlap: false,
},
},
New: &Job{
Periodic: &PeriodicConfig{
Enabled: true,
Spec: "* * * * * *",
SpecType: "foo",
ProhibitOverlap: false,
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Periodic",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Enabled",
Old: "false",
New: "true",
},
{
Type: DiffTypeNone,
Name: "ProhibitOverlap",
Old: "false",
New: "false",
},
{
Type: DiffTypeEdited,
Name: "Spec",
Old: "*/15 * * * * *",
New: "* * * * * *",
},
{
Type: DiffTypeNone,
Name: "SpecType",
Old: "foo",
New: "foo",
},
},
},
},
},
},
{
// Constraints edited
Old: &Job{
Constraints: []*Constraint{
{
LTarget: "foo",
RTarget: "foo",
Operand: "foo",
str: "foo",
},
{
LTarget: "bar",
RTarget: "bar",
Operand: "bar",
str: "bar",
},
},
},
New: &Job{
Constraints: []*Constraint{
{
LTarget: "foo",
RTarget: "foo",
Operand: "foo",
str: "foo",
},
{
LTarget: "baz",
RTarget: "baz",
Operand: "baz",
str: "baz",
},
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Constraint",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "LTarget",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "Operand",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "RTarget",
Old: "",
New: "baz",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Constraint",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "LTarget",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Operand",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "RTarget",
Old: "bar",
New: "",
},
},
},
},
},
},
{
// Task groups edited
Old: &Job{
TaskGroups: []*TaskGroup{
{
Name: "foo",
Count: 1,
},
{
Name: "bar",
Count: 1,
},
{
Name: "baz",
Count: 1,
},
},
},
New: &Job{
TaskGroups: []*TaskGroup{
{
Name: "bar",
Count: 1,
},
{
Name: "baz",
Count: 2,
},
{
Name: "bam",
Count: 1,
},
},
},
Expected: &JobDiff{
Type: DiffTypeEdited,
TaskGroups: []*TaskGroupDiff{
{
Type: DiffTypeAdded,
Name: "bam",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Count",
Old: "",
New: "1",
},
},
},
{
Type: DiffTypeNone,
Name: "bar",
},
{
Type: DiffTypeEdited,
Name: "baz",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Count",
Old: "1",
New: "2",
},
},
},
{
Type: DiffTypeDeleted,
Name: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Count",
Old: "1",
New: "",
},
},
},
},
},
},
}
for i, c := range cases {
actual, err := c.Old.Diff(c.New, c.Contextual)
if c.Error && err == nil {
t.Fatalf("case %d: expected errored")
} else if err != nil {
if !c.Error {
t.Fatalf("case %d: errored %#v", i+1, err)
} else {
continue
}
}
if !reflect.DeepEqual(actual, c.Expected) {
t.Fatalf("case %d: got:\n%#v\n want:\n%#v\n",
i+1, actual, c.Expected)
}
}
}
func TestTaskGroupDiff(t *testing.T) {
cases := []struct {
Old, New *TaskGroup
Expected *TaskGroupDiff
Error bool
Contextual bool
}{
{
Old: nil,
New: nil,
Expected: &TaskGroupDiff{
Type: DiffTypeNone,
},
},
{
// Primitive only that has different names
Old: &TaskGroup{
Name: "foo",
Count: 10,
Meta: map[string]string{
"foo": "bar",
},
},
New: &TaskGroup{
Name: "bar",
Count: 10,
Meta: map[string]string{
"foo": "bar",
},
},
Error: true,
},
{
// Primitive only that is the same
Old: &TaskGroup{
Name: "foo",
Count: 10,
Meta: map[string]string{
"foo": "bar",
},
},
New: &TaskGroup{
Name: "foo",
Count: 10,
Meta: map[string]string{
"foo": "bar",
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeNone,
Name: "foo",
},
},
{
// Primitive only that has diffs
Old: &TaskGroup{
Name: "foo",
Count: 10,
Meta: map[string]string{
"foo": "bar",
},
},
New: &TaskGroup{
Name: "foo",
Count: 100,
Meta: map[string]string{
"foo": "baz",
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Name: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Count",
Old: "10",
New: "100",
},
{
Type: DiffTypeEdited,
Name: "Meta[foo]",
Old: "bar",
New: "baz",
},
},
},
},
{
// Map diff
Old: &TaskGroup{
Meta: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
New: &TaskGroup{
Meta: map[string]string{
"bar": "bar",
"baz": "baz",
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Meta[baz]",
Old: "",
New: "baz",
},
{
Type: DiffTypeDeleted,
Name: "Meta[foo]",
Old: "foo",
New: "",
},
},
},
},
{
// Constraints edited
Old: &TaskGroup{
Constraints: []*Constraint{
{
LTarget: "foo",
RTarget: "foo",
Operand: "foo",
str: "foo",
},
{
LTarget: "bar",
RTarget: "bar",
Operand: "bar",
str: "bar",
},
},
},
New: &TaskGroup{
Constraints: []*Constraint{
{
LTarget: "foo",
RTarget: "foo",
Operand: "foo",
str: "foo",
},
{
LTarget: "baz",
RTarget: "baz",
Operand: "baz",
str: "baz",
},
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Constraint",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "LTarget",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "Operand",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "RTarget",
Old: "",
New: "baz",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Constraint",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "LTarget",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Operand",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "RTarget",
Old: "bar",
New: "",
},
},
},
},
},
},
{
// RestartPolicy added
Old: &TaskGroup{},
New: &TaskGroup{
RestartPolicy: &RestartPolicy{
Attempts: 1,
Interval: 1 * time.Second,
Delay: 1 * time.Second,
Mode: "fail",
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "RestartPolicy",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Attempts",
Old: "",
New: "1",
},
{
Type: DiffTypeAdded,
Name: "Delay",
Old: "",
New: "1000000000",
},
{
Type: DiffTypeAdded,
Name: "Interval",
Old: "",
New: "1000000000",
},
{
Type: DiffTypeAdded,
Name: "Mode",
Old: "",
New: "fail",
},
},
},
},
},
},
{
// RestartPolicy deleted
Old: &TaskGroup{
RestartPolicy: &RestartPolicy{
Attempts: 1,
Interval: 1 * time.Second,
Delay: 1 * time.Second,
Mode: "fail",
},
},
New: &TaskGroup{},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeDeleted,
Name: "RestartPolicy",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Attempts",
Old: "1",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Delay",
Old: "1000000000",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Interval",
Old: "1000000000",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Mode",
Old: "fail",
New: "",
},
},
},
},
},
},
{
// RestartPolicy edited
Old: &TaskGroup{
RestartPolicy: &RestartPolicy{
Attempts: 1,
Interval: 1 * time.Second,
Delay: 1 * time.Second,
Mode: "fail",
},
},
New: &TaskGroup{
RestartPolicy: &RestartPolicy{
Attempts: 2,
Interval: 2 * time.Second,
Delay: 2 * time.Second,
Mode: "delay",
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "RestartPolicy",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Attempts",
Old: "1",
New: "2",
},
{
Type: DiffTypeEdited,
Name: "Delay",
Old: "1000000000",
New: "2000000000",
},
{
Type: DiffTypeEdited,
Name: "Interval",
Old: "1000000000",
New: "2000000000",
},
{
Type: DiffTypeEdited,
Name: "Mode",
Old: "fail",
New: "delay",
},
},
},
},
},
},
{
// RestartPolicy edited with context
Contextual: true,
Old: &TaskGroup{
RestartPolicy: &RestartPolicy{
Attempts: 1,
Interval: 1 * time.Second,
Delay: 1 * time.Second,
Mode: "fail",
},
},
New: &TaskGroup{
RestartPolicy: &RestartPolicy{
Attempts: 2,
Interval: 2 * time.Second,
Delay: 1 * time.Second,
Mode: "fail",
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "RestartPolicy",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Attempts",
Old: "1",
New: "2",
},
{
Type: DiffTypeNone,
Name: "Delay",
Old: "1000000000",
New: "1000000000",
},
{
Type: DiffTypeEdited,
Name: "Interval",
Old: "1000000000",
New: "2000000000",
},
{
Type: DiffTypeNone,
Name: "Mode",
Old: "fail",
New: "fail",
},
},
},
},
},
},
{
// Tasks edited
Old: &TaskGroup{
Tasks: []*Task{
{
Name: "foo",
Driver: "docker",
},
{
Name: "bar",
Driver: "docker",
},
{
Name: "baz",
Driver: "docker",
},
},
},
New: &TaskGroup{
Tasks: []*Task{
{
Name: "bar",
Driver: "docker",
},
{
Name: "baz",
Driver: "exec",
},
{
Name: "bam",
Driver: "docker",
},
},
},
Expected: &TaskGroupDiff{
Type: DiffTypeEdited,
Tasks: []*TaskDiff{
{
Type: DiffTypeAdded,
Name: "bam",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Driver",
Old: "",
New: "docker",
},
{
Type: DiffTypeAdded,
Name: "KillTimeout",
Old: "",
New: "0",
},
},
},
{
Type: DiffTypeNone,
Name: "bar",
},
{
Type: DiffTypeEdited,
Name: "baz",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Driver",
Old: "docker",
New: "exec",
},
},
},
{
Type: DiffTypeDeleted,
Name: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Driver",
Old: "docker",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "KillTimeout",
Old: "0",
New: "",
},
},
},
},
},
},
}
for i, c := range cases {
actual, err := c.Old.Diff(c.New, c.Contextual)
if c.Error && err == nil {
t.Fatalf("case %d: expected errored")
} else if err != nil {
if !c.Error {
t.Fatalf("case %d: errored %#v", i+1, err)
} else {
continue
}
}
if !reflect.DeepEqual(actual, c.Expected) {
t.Fatalf("case %d: got:\n%#v\n want:\n%#v\n",
i+1, actual, c.Expected)
}
}
}
func TestTaskDiff(t *testing.T) {
cases := []struct {
Old, New *Task
Expected *TaskDiff
Error bool
Contextual bool
}{
{
Old: nil,
New: nil,
Expected: &TaskDiff{
Type: DiffTypeNone,
},
},
{
// Primitive only that has different names
Old: &Task{
Name: "foo",
Meta: map[string]string{
"foo": "bar",
},
},
New: &Task{
Name: "bar",
Meta: map[string]string{
"foo": "bar",
},
},
Error: true,
},
{
// Primitive only that is the same
Old: &Task{
Name: "foo",
Driver: "exec",
User: "foo",
Env: map[string]string{
"FOO": "bar",
},
Meta: map[string]string{
"foo": "bar",
},
KillTimeout: 1 * time.Second,
},
New: &Task{
Name: "foo",
Driver: "exec",
User: "foo",
Env: map[string]string{
"FOO": "bar",
},
Meta: map[string]string{
"foo": "bar",
},
KillTimeout: 1 * time.Second,
},
Expected: &TaskDiff{
Type: DiffTypeNone,
Name: "foo",
},
},
{
// Primitive only that has diffs
Old: &Task{
Name: "foo",
Driver: "exec",
User: "foo",
Env: map[string]string{
"FOO": "bar",
},
Meta: map[string]string{
"foo": "bar",
},
KillTimeout: 1 * time.Second,
},
New: &Task{
Name: "foo",
Driver: "docker",
User: "bar",
Env: map[string]string{
"FOO": "baz",
},
Meta: map[string]string{
"foo": "baz",
},
KillTimeout: 2 * time.Second,
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Name: "foo",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Driver",
Old: "exec",
New: "docker",
},
{
Type: DiffTypeEdited,
Name: "Env[FOO]",
Old: "bar",
New: "baz",
},
{
Type: DiffTypeEdited,
Name: "KillTimeout",
Old: "1000000000",
New: "2000000000",
},
{
Type: DiffTypeEdited,
Name: "Meta[foo]",
Old: "bar",
New: "baz",
},
{
Type: DiffTypeEdited,
Name: "User",
Old: "foo",
New: "bar",
},
},
},
},
{
// Map diff
Old: &Task{
Meta: map[string]string{
"foo": "foo",
"bar": "bar",
},
Env: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
New: &Task{
Meta: map[string]string{
"bar": "bar",
"baz": "baz",
},
Env: map[string]string{
"bar": "bar",
"baz": "baz",
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Env[baz]",
Old: "",
New: "baz",
},
{
Type: DiffTypeDeleted,
Name: "Env[foo]",
Old: "foo",
New: "",
},
{
Type: DiffTypeAdded,
Name: "Meta[baz]",
Old: "",
New: "baz",
},
{
Type: DiffTypeDeleted,
Name: "Meta[foo]",
Old: "foo",
New: "",
},
},
},
},
{
// Constraints edited
Old: &Task{
Constraints: []*Constraint{
{
LTarget: "foo",
RTarget: "foo",
Operand: "foo",
str: "foo",
},
{
LTarget: "bar",
RTarget: "bar",
Operand: "bar",
str: "bar",
},
},
},
New: &Task{
Constraints: []*Constraint{
{
LTarget: "foo",
RTarget: "foo",
Operand: "foo",
str: "foo",
},
{
LTarget: "baz",
RTarget: "baz",
Operand: "baz",
str: "baz",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Constraint",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "LTarget",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "Operand",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "RTarget",
Old: "",
New: "baz",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Constraint",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "LTarget",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Operand",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "RTarget",
Old: "bar",
New: "",
},
},
},
},
},
},
{
// LogConfig added
Old: &Task{},
New: &Task{
LogConfig: &LogConfig{
MaxFiles: 1,
MaxFileSizeMB: 10,
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "LogConfig",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "MaxFileSizeMB",
Old: "",
New: "10",
},
{
Type: DiffTypeAdded,
Name: "MaxFiles",
Old: "",
New: "1",
},
},
},
},
},
},
{
// LogConfig deleted
Old: &Task{
LogConfig: &LogConfig{
MaxFiles: 1,
MaxFileSizeMB: 10,
},
},
New: &Task{},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeDeleted,
Name: "LogConfig",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "MaxFileSizeMB",
Old: "10",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "MaxFiles",
Old: "1",
New: "",
},
},
},
},
},
},
{
// LogConfig edited
Old: &Task{
LogConfig: &LogConfig{
MaxFiles: 1,
MaxFileSizeMB: 10,
},
},
New: &Task{
LogConfig: &LogConfig{
MaxFiles: 2,
MaxFileSizeMB: 20,
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "LogConfig",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "MaxFileSizeMB",
Old: "10",
New: "20",
},
{
Type: DiffTypeEdited,
Name: "MaxFiles",
Old: "1",
New: "2",
},
},
},
},
},
},
{
// LogConfig edited with context
Contextual: true,
Old: &Task{
LogConfig: &LogConfig{
MaxFiles: 1,
MaxFileSizeMB: 10,
},
},
New: &Task{
LogConfig: &LogConfig{
MaxFiles: 1,
MaxFileSizeMB: 20,
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "LogConfig",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "MaxFileSizeMB",
Old: "10",
New: "20",
},
{
Type: DiffTypeNone,
Name: "MaxFiles",
Old: "1",
New: "1",
},
},
},
},
},
},
{
// Artifacts edited
Old: &Task{
Artifacts: []*TaskArtifact{
{
GetterSource: "foo",
GetterOptions: map[string]string{
"foo": "bar",
},
RelativeDest: "foo",
},
{
GetterSource: "bar",
GetterOptions: map[string]string{
"bar": "baz",
},
RelativeDest: "bar",
},
},
},
New: &Task{
Artifacts: []*TaskArtifact{
{
GetterSource: "foo",
GetterOptions: map[string]string{
"foo": "bar",
},
RelativeDest: "foo",
},
{
GetterSource: "bam",
GetterOptions: map[string]string{
"bam": "baz",
},
RelativeDest: "bam",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Artifact",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "GetterOptions[bam]",
Old: "",
New: "baz",
},
{
Type: DiffTypeAdded,
Name: "GetterSource",
Old: "",
New: "bam",
},
{
Type: DiffTypeAdded,
Name: "RelativeDest",
Old: "",
New: "bam",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Artifact",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "GetterOptions[bar]",
Old: "baz",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "GetterSource",
Old: "bar",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "RelativeDest",
Old: "bar",
New: "",
},
},
},
},
},
},
{
// Resources edited (no networks)
Old: &Task{
Resources: &Resources{
CPU: 100,
MemoryMB: 100,
DiskMB: 100,
IOPS: 100,
},
},
New: &Task{
Resources: &Resources{
CPU: 200,
MemoryMB: 200,
DiskMB: 200,
IOPS: 200,
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Resources",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "CPU",
Old: "100",
New: "200",
},
{
Type: DiffTypeEdited,
Name: "DiskMB",
Old: "100",
New: "200",
},
{
Type: DiffTypeEdited,
Name: "IOPS",
Old: "100",
New: "200",
},
{
Type: DiffTypeEdited,
Name: "MemoryMB",
Old: "100",
New: "200",
},
},
},
},
},
},
{
// Resources edited (no networks) with context
Contextual: true,
Old: &Task{
Resources: &Resources{
CPU: 100,
MemoryMB: 100,
DiskMB: 100,
IOPS: 100,
},
},
New: &Task{
Resources: &Resources{
CPU: 200,
MemoryMB: 100,
DiskMB: 200,
IOPS: 100,
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Resources",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "CPU",
Old: "100",
New: "200",
},
{
Type: DiffTypeEdited,
Name: "DiskMB",
Old: "100",
New: "200",
},
{
Type: DiffTypeNone,
Name: "IOPS",
Old: "100",
New: "100",
},
{
Type: DiffTypeNone,
Name: "MemoryMB",
Old: "100",
New: "100",
},
},
},
},
},
},
{
// Network Resources edited
Old: &Task{
Resources: &Resources{
Networks: []*NetworkResource{
{
Device: "foo",
CIDR: "foo",
IP: "foo",
MBits: 100,
ReservedPorts: []Port{
{
Label: "foo",
Value: 80,
},
},
DynamicPorts: []Port{
{
Label: "bar",
},
},
},
},
},
},
New: &Task{
Resources: &Resources{
Networks: []*NetworkResource{
{
Device: "bar",
CIDR: "bar",
IP: "bar",
MBits: 200,
ReservedPorts: []Port{
{
Label: "foo",
Value: 81,
},
},
DynamicPorts: []Port{
{
Label: "baz",
},
},
},
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Resources",
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Network",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "MBits",
Old: "",
New: "200",
},
},
Objects: []*ObjectDiff{
{
Type: DiffTypeAdded,
Name: "Static Port",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Label",
Old: "",
New: "foo",
},
{
Type: DiffTypeAdded,
Name: "Value",
Old: "",
New: "81",
},
},
},
{
Type: DiffTypeAdded,
Name: "Dynamic Port",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Label",
Old: "",
New: "baz",
},
},
},
},
},
{
Type: DiffTypeDeleted,
Name: "Network",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "MBits",
Old: "100",
New: "",
},
},
Objects: []*ObjectDiff{
{
Type: DiffTypeDeleted,
Name: "Static Port",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Label",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Value",
Old: "80",
New: "",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Dynamic Port",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Label",
Old: "bar",
New: "",
},
},
},
},
},
},
},
},
},
},
{
// Config same
Old: &Task{
Config: map[string]interface{}{
"foo": 1,
"bar": "bar",
"bam": []string{"a", "b"},
"baz": map[string]int{
"a": 1,
"b": 2,
},
"boom": &Port{
Label: "boom_port",
},
},
},
New: &Task{
Config: map[string]interface{}{
"foo": 1,
"bar": "bar",
"bam": []string{"a", "b"},
"baz": map[string]int{
"a": 1,
"b": 2,
},
"boom": &Port{
Label: "boom_port",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeNone,
},
},
{
// Config edited
Old: &Task{
Config: map[string]interface{}{
"foo": 1,
"bar": "baz",
"bam": []string{"a", "b"},
"baz": map[string]int{
"a": 1,
"b": 2,
},
"boom": &Port{
Label: "boom_port",
},
},
},
New: &Task{
Config: map[string]interface{}{
"foo": 2,
"bar": "baz",
"bam": []string{"a", "c", "d"},
"baz": map[string]int{
"b": 3,
"c": 4,
},
"boom": &Port{
Label: "boom_port2",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Config",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "bam[1]",
Old: "b",
New: "c",
},
{
Type: DiffTypeAdded,
Name: "bam[2]",
Old: "",
New: "d",
},
{
Type: DiffTypeDeleted,
Name: "baz[a]",
Old: "1",
New: "",
},
{
Type: DiffTypeEdited,
Name: "baz[b]",
Old: "2",
New: "3",
},
{
Type: DiffTypeAdded,
Name: "baz[c]",
Old: "",
New: "4",
},
{
Type: DiffTypeEdited,
Name: "boom.Label",
Old: "boom_port",
New: "boom_port2",
},
{
Type: DiffTypeEdited,
Name: "foo",
Old: "1",
New: "2",
},
},
},
},
},
},
{
// Config edited with context
Contextual: true,
Old: &Task{
Config: map[string]interface{}{
"foo": 1,
"bar": "baz",
"bam": []string{"a", "b"},
"baz": map[string]int{
"a": 1,
"b": 2,
},
"boom": &Port{
Label: "boom_port",
},
},
},
New: &Task{
Config: map[string]interface{}{
"foo": 2,
"bar": "baz",
"bam": []string{"a", "c", "d"},
"baz": map[string]int{
"a": 1,
"b": 2,
},
"boom": &Port{
Label: "boom_port",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Config",
Fields: []*FieldDiff{
{
Type: DiffTypeNone,
Name: "bam[0]",
Old: "a",
New: "a",
},
{
Type: DiffTypeEdited,
Name: "bam[1]",
Old: "b",
New: "c",
},
{
Type: DiffTypeAdded,
Name: "bam[2]",
Old: "",
New: "d",
},
{
Type: DiffTypeNone,
Name: "bar",
Old: "baz",
New: "baz",
},
{
Type: DiffTypeNone,
Name: "baz[a]",
Old: "1",
New: "1",
},
{
Type: DiffTypeNone,
Name: "baz[b]",
Old: "2",
New: "2",
},
{
Type: DiffTypeNone,
Name: "boom.Label",
Old: "boom_port",
New: "boom_port",
},
{
Type: DiffTypeNone,
Name: "boom.Value",
Old: "0",
New: "0",
},
{
Type: DiffTypeEdited,
Name: "foo",
Old: "1",
New: "2",
},
},
},
},
},
},
{
// Services edited (no checks)
Old: &Task{
Services: []*Service{
{
Name: "foo",
PortLabel: "foo",
},
{
Name: "bar",
PortLabel: "bar",
},
{
Name: "baz",
PortLabel: "baz",
},
},
},
New: &Task{
Services: []*Service{
{
Name: "bar",
PortLabel: "bar",
},
{
Name: "baz",
PortLabel: "baz2",
},
{
Name: "bam",
PortLabel: "bam",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Service",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "PortLabel",
Old: "baz",
New: "baz2",
},
},
},
{
Type: DiffTypeAdded,
Name: "Service",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Name",
Old: "",
New: "bam",
},
{
Type: DiffTypeAdded,
Name: "PortLabel",
Old: "",
New: "bam",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Service",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Name",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "PortLabel",
Old: "foo",
New: "",
},
},
},
},
},
},
{
// Services edited (no checks) with context
Contextual: true,
Old: &Task{
Services: []*Service{
{
Name: "foo",
PortLabel: "foo",
},
},
},
New: &Task{
Services: []*Service{
{
Name: "foo",
PortLabel: "bar",
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Service",
Fields: []*FieldDiff{
{
Type: DiffTypeNone,
Name: "Name",
Old: "foo",
New: "foo",
},
{
Type: DiffTypeEdited,
Name: "PortLabel",
Old: "foo",
New: "bar",
},
},
},
},
},
},
{
// Service Checks edited
Old: &Task{
Services: []*Service{
{
Name: "foo",
Checks: []*ServiceCheck{
{
Name: "foo",
Type: "http",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
{
Name: "bar",
Type: "http",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
{
Name: "baz",
Type: "http",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
},
},
},
},
New: &Task{
Services: []*Service{
{
Name: "foo",
Checks: []*ServiceCheck{
{
Name: "bar",
Type: "http",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
{
Name: "baz",
Type: "tcp",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
{
Name: "bam",
Type: "http",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
},
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Service",
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Check",
Fields: []*FieldDiff{
{
Type: DiffTypeEdited,
Name: "Type",
Old: "http",
New: "tcp",
},
},
},
{
Type: DiffTypeAdded,
Name: "Check",
Fields: []*FieldDiff{
{
Type: DiffTypeAdded,
Name: "Command",
Old: "",
New: "foo",
},
{
Type: DiffTypeAdded,
Name: "Interval",
Old: "",
New: "1000000000",
},
{
Type: DiffTypeAdded,
Name: "Name",
Old: "",
New: "bam",
},
{
Type: DiffTypeAdded,
Name: "Path",
Old: "",
New: "foo",
},
{
Type: DiffTypeAdded,
Name: "Protocol",
Old: "",
New: "http",
},
{
Type: DiffTypeAdded,
Name: "Timeout",
Old: "",
New: "1000000000",
},
{
Type: DiffTypeAdded,
Name: "Type",
Old: "",
New: "http",
},
},
},
{
Type: DiffTypeDeleted,
Name: "Check",
Fields: []*FieldDiff{
{
Type: DiffTypeDeleted,
Name: "Command",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Interval",
Old: "1000000000",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Name",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Path",
Old: "foo",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Protocol",
Old: "http",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Timeout",
Old: "1000000000",
New: "",
},
{
Type: DiffTypeDeleted,
Name: "Type",
Old: "http",
New: "",
},
},
},
},
},
},
},
},
{
// Service Checks edited with context
Contextual: true,
Old: &Task{
Services: []*Service{
{
Name: "foo",
Checks: []*ServiceCheck{
{
Name: "foo",
Type: "http",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
},
},
},
},
New: &Task{
Services: []*Service{
{
Name: "foo",
Checks: []*ServiceCheck{
{
Name: "foo",
Type: "tcp",
Command: "foo",
Args: []string{"foo"},
Path: "foo",
Protocol: "http",
Interval: 1 * time.Second,
Timeout: 1 * time.Second,
},
},
},
},
},
Expected: &TaskDiff{
Type: DiffTypeEdited,
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Service",
Fields: []*FieldDiff{
{
Type: DiffTypeNone,
Name: "Name",
Old: "foo",
New: "foo",
},
{
Type: DiffTypeNone,
Name: "PortLabel",
Old: "",
New: "",
},
},
Objects: []*ObjectDiff{
{
Type: DiffTypeEdited,
Name: "Check",
Fields: []*FieldDiff{
{
Type: DiffTypeNone,
Name: "Command",
Old: "foo",
New: "foo",
},
{
Type: DiffTypeNone,
Name: "Interval",
Old: "1000000000",
New: "1000000000",
},
{
Type: DiffTypeNone,
Name: "Name",
Old: "foo",
New: "foo",
},
{
Type: DiffTypeNone,
Name: "Path",
Old: "foo",
New: "foo",
},
{
Type: DiffTypeNone,
Name: "PortLabel",
Old: "",
New: "",
},
{
Type: DiffTypeNone,
Name: "Protocol",
Old: "http",
New: "http",
},
{
Type: DiffTypeNone,
Name: "Timeout",
Old: "1000000000",
New: "1000000000",
},
{
Type: DiffTypeEdited,
Name: "Type",
Old: "http",
New: "tcp",
},
},
},
},
},
},
},
},
}
for i, c := range cases {
actual, err := c.Old.Diff(c.New, c.Contextual)
if c.Error && err == nil {
t.Fatalf("case %d: expected errored")
} else if err != nil {
if !c.Error {
t.Fatalf("case %d: errored %#v", i+1, err)
} else {
continue
}
}
if !reflect.DeepEqual(actual, c.Expected) {
t.Errorf("case %d: got:\n%#v\n want:\n%#v\n",
i+1, actual, c.Expected)
}
}
}
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