Pulse/internal/ai/kubernetes_analysis_test.go

470 lines
11 KiB
Go

package ai
import (
"testing"
"time"
"github.com/rcourtman/pulse-go-rewrite/internal/models"
)
// ========================================
// truncateKubernetesMessage tests
// ========================================
func TestTruncateKubernetesMessage(t *testing.T) {
tests := []struct {
name string
input string
expected string
}{
{
name: "short message",
input: "This is a short message",
expected: "This is a short message",
},
{
name: "empty message",
input: "",
expected: "",
},
{
name: "max length message",
input: string(make([]byte, maxKubernetesMessageLength)),
expected: string(make([]byte, maxKubernetesMessageLength)),
},
{
name: "over max length",
input: string(make([]byte, maxKubernetesMessageLength+50)),
expected: string(make([]byte, maxKubernetesMessageLength)) + "...",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := truncateKubernetesMessage(tt.input)
if result != tt.expected {
if len(result) < 100 {
t.Errorf("truncateKubernetesMessage() = %q, want %q", result, tt.expected)
} else {
t.Errorf("truncateKubernetesMessage() length = %d, want %d", len(result), len(tt.expected))
}
}
})
}
}
// ========================================
// formatKubernetesAge tests
// ========================================
func TestFormatKubernetesAge(t *testing.T) {
tests := []struct {
name string
duration time.Duration
expected string
}{
{
name: "zero duration",
duration: 0,
expected: "0s",
},
{
name: "30 seconds",
duration: 30 * time.Second,
expected: "30s",
},
{
name: "5 minutes",
duration: 5 * time.Minute,
expected: "5m",
},
{
name: "59 minutes",
duration: 59 * time.Minute,
expected: "59m",
},
{
name: "1 hour",
duration: time.Hour,
expected: "1h",
},
{
name: "23 hours",
duration: 23 * time.Hour,
expected: "23h",
},
{
name: "1 day",
duration: 24 * time.Hour,
expected: "1d",
},
{
name: "7 days",
duration: 7 * 24 * time.Hour,
expected: "7d",
},
{
name: "negative duration",
duration: -5 * time.Second,
expected: "0s",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := formatKubernetesAge(tt.duration)
if result != tt.expected {
t.Errorf("formatKubernetesAge(%v) = %q, want %q", tt.duration, result, tt.expected)
}
})
}
}
// ========================================
// isKubernetesPodHealthy tests
// ========================================
func TestIsKubernetesPodHealthy(t *testing.T) {
tests := []struct {
name string
pod models.KubernetesPod
expected bool
}{
{
name: "empty phase",
pod: models.KubernetesPod{Phase: ""},
expected: false,
},
{
name: "pending phase",
pod: models.KubernetesPod{Phase: "Pending"},
expected: false,
},
{
name: "running phase, no containers",
pod: models.KubernetesPod{Phase: "Running", Containers: nil},
expected: true,
},
{
name: "running phase, healthy container",
pod: models.KubernetesPod{
Phase: "Running",
Containers: []models.KubernetesPodContainer{
{Name: "app", Ready: true, State: "running"},
},
},
expected: true,
},
{
name: "running phase, not ready container",
pod: models.KubernetesPod{
Phase: "Running",
Containers: []models.KubernetesPodContainer{
{Name: "app", Ready: false, State: "running"},
},
},
expected: false,
},
{
name: "running phase, container not running",
pod: models.KubernetesPod{
Phase: "Running",
Containers: []models.KubernetesPodContainer{
{Name: "app", Ready: true, State: "waiting"},
},
},
expected: false,
},
{
name: "failed phase",
pod: models.KubernetesPod{Phase: "Failed"},
expected: false,
},
{
name: "succeeded phase",
pod: models.KubernetesPod{Phase: "Succeeded"},
expected: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := isKubernetesPodHealthy(tt.pod)
if result != tt.expected {
t.Errorf("isKubernetesPodHealthy() = %v, want %v", result, tt.expected)
}
})
}
}
// ========================================
// kubernetesPodReason tests
// ========================================
func TestKubernetesPodReason(t *testing.T) {
tests := []struct {
name string
pod models.KubernetesPod
contains []string
}{
{
name: "empty pod",
pod: models.KubernetesPod{},
contains: []string{},
},
{
name: "pod with phase",
pod: models.KubernetesPod{Phase: "Pending"},
contains: []string{"phase=Pending"},
},
{
name: "pod with reason",
pod: models.KubernetesPod{Phase: "Failed", Reason: "OOMKilled"},
contains: []string{"phase=Failed", "reason=OOMKilled"},
},
{
name: "pod with restarts",
pod: models.KubernetesPod{Phase: "Running", Restarts: 5},
contains: []string{"restarts=5"},
},
{
name: "pod with container issue",
pod: models.KubernetesPod{
Phase: "Running",
Containers: []models.KubernetesPodContainer{
{Name: "app", Ready: false, State: "waiting", Reason: "CrashLoopBackOff"},
},
},
contains: []string{"containers=app"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := kubernetesPodReason(tt.pod)
for _, expected := range tt.contains {
if len(expected) > 0 && !kubeTestContains(result, expected) {
t.Errorf("kubernetesPodReason() = %q, want to contain %q", result, expected)
}
}
})
}
}
func kubeTestContains(s, substr string) bool {
for i := 0; i <= len(s)-len(substr); i++ {
if s[i:i+len(substr)] == substr {
return true
}
}
return false
}
// ========================================
// isKubernetesDeploymentHealthy tests
// ========================================
func TestIsKubernetesDeploymentHealthy(t *testing.T) {
tests := []struct {
name string
deployment models.KubernetesDeployment
expected bool
}{
{
name: "empty deployment",
deployment: models.KubernetesDeployment{},
expected: true, // 0/0 replicas is considered healthy
},
{
name: "all replicas ready",
deployment: models.KubernetesDeployment{
DesiredReplicas: 3,
ReadyReplicas: 3,
AvailableReplicas: 3,
UpdatedReplicas: 3,
},
expected: true,
},
{
name: "some replicas not ready",
deployment: models.KubernetesDeployment{
DesiredReplicas: 3,
ReadyReplicas: 2,
AvailableReplicas: 3,
UpdatedReplicas: 3,
},
expected: false,
},
{
name: "no replicas ready",
deployment: models.KubernetesDeployment{
DesiredReplicas: 3,
ReadyReplicas: 0,
AvailableReplicas: 0,
UpdatedReplicas: 0,
},
expected: false,
},
{
name: "not all available",
deployment: models.KubernetesDeployment{
DesiredReplicas: 3,
ReadyReplicas: 3,
AvailableReplicas: 2,
UpdatedReplicas: 3,
},
expected: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := isKubernetesDeploymentHealthy(tt.deployment)
if result != tt.expected {
t.Errorf("isKubernetesDeploymentHealthy() = %v, want %v", result, tt.expected)
}
})
}
}
// ========================================
// formatPodIssueLine tests
// ========================================
func TestFormatPodIssueLine(t *testing.T) {
tests := []struct {
name string
issue podIssue
expected string
}{
{
name: "with namespace and name only",
issue: podIssue{
namespace: "default",
name: "nginx-pod",
},
expected: "default/nginx-pod",
},
{
name: "with reason",
issue: podIssue{
namespace: "kube-system",
name: "coredns-pod",
reason: "CrashLoopBackOff",
},
expected: "kube-system/coredns-pod CrashLoopBackOff",
},
{
name: "empty reason",
issue: podIssue{
namespace: "production",
name: "api-server",
reason: "",
},
expected: "production/api-server",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := formatPodIssueLine(tt.issue)
if result != tt.expected {
t.Errorf("formatPodIssueLine() = %q, want %q", result, tt.expected)
}
})
}
}
// ========================================
// formatPodIssues tests
// ========================================
func TestFormatPodIssues(t *testing.T) {
issues := []podIssue{
{namespace: "ns1", name: "pod1", reason: "reason1"},
{namespace: "ns2", name: "pod2", reason: "reason2"},
{namespace: "ns3", name: "pod3", reason: "reason3"},
{namespace: "ns4", name: "pod4", reason: "reason4"},
}
t.Run("within limit", func(t *testing.T) {
result := formatPodIssues(issues, 10)
if len(result) != 4 {
t.Errorf("Expected 4 lines, got %d", len(result))
}
})
t.Run("exceeds limit", func(t *testing.T) {
result := formatPodIssues(issues, 2)
if len(result) != 3 { // 2 issues + "... and X more"
t.Errorf("Expected 3 lines (2 issues + truncation notice), got %d", len(result))
}
if !kubeTestContains(result[2], "and 2 more") {
t.Errorf("Expected truncation notice, got %q", result[2])
}
})
t.Run("empty issues", func(t *testing.T) {
result := formatPodIssues([]podIssue{}, 10)
if len(result) != 0 {
t.Errorf("Expected 0 lines for empty issues, got %d", len(result))
}
})
}
// ========================================
// formatPodRestarts tests
// ========================================
func TestFormatPodRestarts(t *testing.T) {
t.Run("empty issues", func(t *testing.T) {
result := formatPodRestarts(nil, 10)
if result != nil {
t.Errorf("Expected nil, got %v", result)
}
})
t.Run("sorts by restarts descending", func(t *testing.T) {
issues := []podIssue{
{namespace: "ns1", name: "pod1", restarts: 5},
{namespace: "ns2", name: "pod2", restarts: 10},
{namespace: "ns3", name: "pod3", restarts: 2},
}
result := formatPodRestarts(issues, 10)
if len(result) != 3 {
t.Errorf("Expected 3 lines, got %d", len(result))
}
// First should be pod2 (10 restarts)
if !kubeTestContains(result[0], "restarts=10") {
t.Errorf("Expected first to have 10 restarts, got %q", result[0])
}
})
t.Run("with reason", func(t *testing.T) {
issues := []podIssue{
{namespace: "ns1", name: "pod1", restarts: 5, reason: "OOMKilled"},
}
result := formatPodRestarts(issues, 10)
if len(result) != 1 {
t.Errorf("Expected 1 line, got %d", len(result))
}
if !kubeTestContains(result[0], "OOMKilled") {
t.Errorf("Expected reason in output, got %q", result[0])
}
})
t.Run("respects limit", func(t *testing.T) {
issues := []podIssue{
{namespace: "ns1", name: "pod1", restarts: 10},
{namespace: "ns2", name: "pod2", restarts: 8},
{namespace: "ns3", name: "pod3", restarts: 6},
{namespace: "ns4", name: "pod4", restarts: 4},
}
result := formatPodRestarts(issues, 2)
if len(result) != 2 {
t.Errorf("Expected 2 lines (limit), got %d", len(result))
}
})
}