beef up job tests

internal/resource/job.go

@@ -153,6 +153,7 @@ func (r *Job) Fields(ns string) Row {
 func (*Job) toContainers(p v1.PodSpec) (string, string) {
 	cc := make([]string, 0, len(p.InitContainers)+len(p.Containers))
 	ii := make([]string, 0, len(cc))
+
 	for _, c := range p.InitContainers {
 		cc = append(cc, c.Name)
 		ii = append(ii, c.Image)
@@ -162,12 +163,13 @@ func (*Job) toContainers(p v1.PodSpec) (string, string) {
 		ii = append(ii, c.Image)
 	}
 
+	const maxShow = 2
 	// Limit to 2 of each...
-	if len(cc) > 2 {
-		cc = append(cc[:2], "...")
+	if len(cc) > maxShow {
+		cc = append(cc[:2], fmt.Sprintf("(+%d)...", len(cc)-maxShow))
 	}
-	if len(ii) > 2 {
-		ii = append(ii[:2], "...")
+	if len(ii) > maxShow {
+		ii = append(ii[:2], fmt.Sprintf("(+%d)...", len(ii)-maxShow))
 	}
 
 	return strings.Join(cc, ","), strings.Join(ii, ",")
@@ -177,23 +179,31 @@ func (*Job) toCompletion(spec batchv1.JobSpec, status batchv1.JobStatus) (s stri
 	if spec.Completions != nil {
 		return fmt.Sprintf("%d/%d", status.Succeeded, *spec.Completions)
 	}
-	var parallelism int32
-	if spec.Parallelism != nil {
-		parallelism = *spec.Parallelism
+
+	if spec.Parallelism == nil {
+		return fmt.Sprintf("%d/1", status.Succeeded)
 	}
-	if parallelism > 1 {
-		return fmt.Sprintf("%d/1 of %d", status.Succeeded, parallelism)
+
+	p := *spec.Parallelism
+	if p > 1 {
+		return fmt.Sprintf("%d/1 of %d", status.Succeeded, p)
 	}
 
 	return fmt.Sprintf("%d/1", status.Succeeded)
 }
 
 func (*Job) toDuration(status batchv1.JobStatus) string {
-	switch {
-	case status.StartTime == nil:
-	case status.CompletionTime == nil:
-		return duration.HumanDuration(time.Since(status.StartTime.Time))
+	if status.StartTime == nil {
+		return MissingValue
 	}
 
-	return duration.HumanDuration(status.CompletionTime.Sub(status.StartTime.Time))
+	var d time.Duration
+	switch {
+	case status.CompletionTime == nil:
+		d = time.Since(status.StartTime.Time)
+	default:
+		d = status.CompletionTime.Sub(status.StartTime.Time)
+	}
+
+	return duration.HumanDuration(d)
 }

internal/resource/job_int_test.go

@@ -0,0 +1,153 @@
+package resource
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	batchv1 "k8s.io/api/batch/v1"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func TestJobToCompletion(t *testing.T) {
+	t0 := testTime()
+	t1, t2 := metav1.Time{t0}, metav1.Time{t0.Add(10 * time.Second)}
+	var c, p int32 = 10, 20
+
+	uu := []struct {
+		j batchv1.JobSpec
+		s batchv1.JobStatus
+		e string
+	}{
+		{
+			batchv1.JobSpec{
+				Completions: &c,
+				Parallelism: &p,
+			},
+			batchv1.JobStatus{
+				Succeeded:      1,
+				Active:         1,
+				Failed:         0,
+				StartTime:      &t1,
+				CompletionTime: &t2,
+			},
+			"1/10",
+		},
+		{
+			batchv1.JobSpec{
+				Parallelism: &p,
+			},
+			batchv1.JobStatus{
+				Succeeded:      1,
+				Active:         1,
+				Failed:         0,
+				StartTime:      &t1,
+				CompletionTime: &t2,
+			},
+			"1/1 of 20",
+		},
+		{
+			batchv1.JobSpec{
+				Completions: &c,
+			},
+			batchv1.JobStatus{
+				Succeeded:      1,
+				Active:         1,
+				Failed:         0,
+				StartTime:      &t1,
+				CompletionTime: &t2,
+			},
+			"1/10",
+		},
+		{
+			batchv1.JobSpec{},
+			batchv1.JobStatus{
+				Succeeded:      1,
+				Active:         1,
+				Failed:         0,
+				StartTime:      &t1,
+				CompletionTime: &t2,
+			},
+			"1/1",
+		},
+	}
+
+	var j *Job
+	for _, u := range uu {
+		assert.Equal(t, u.e, j.toCompletion(u.j, u.s))
+	}
+}
+
+func TestJobToDuration(t *testing.T) {
+	t0 := testTime()
+	t1, t2 := metav1.Time{t0}, metav1.Time{t0.Add(10 * time.Second)}
+
+	uu := []struct {
+		s batchv1.JobStatus
+		e string
+	}{
+		{
+			batchv1.JobStatus{
+				StartTime:      &t1,
+				CompletionTime: &t2,
+			},
+			"10s",
+		},
+		{
+			batchv1.JobStatus{
+				StartTime: &t1,
+			},
+			"101d",
+		},
+		{
+			batchv1.JobStatus{
+				CompletionTime: &t2,
+			},
+			MissingValue,
+		},
+	}
+
+	var j *Job
+	for _, u := range uu {
+		assert.Equal(t, u.e, j.toDuration(u.s))
+	}
+}
+
+func TestJobToContainers(t *testing.T) {
+	uu := []struct {
+		s    v1.PodSpec
+		c, i string
+	}{
+		{
+			v1.PodSpec{
+				InitContainers: []v1.Container{
+					{Name: "i1", Image: "fred"},
+				},
+				Containers: []v1.Container{
+					{Name: "c1", Image: "blee"},
+				},
+			},
+			"i1,c1", "fred,blee",
+		},
+		{
+			v1.PodSpec{
+				InitContainers: []v1.Container{
+					{Name: "i1", Image: "fred"},
+				},
+				Containers: []v1.Container{
+					{Name: "c1", Image: "blee"},
+					{Name: "c2", Image: "duh"},
+				},
+			},
+			"i1,c1,(+1)...", "fred,blee,(+1)...",
+		},
+	}
+
+	var j *Job
+	for _, u := range uu {
+		c, i := j.toContainers(u.s)
+		assert.Equal(t, u.c, c)
+		assert.Equal(t, u.i, i)
+	}
+}