1 files changed, 68 insertions, 0 deletions
diff --git a/pkg/job/utils_test.go b/pkg/job/utils_test.go
new file mode 100644
index 0000000..250ae2c
--- /dev/null
+++ b/pkg/job/utils_test.go
@@ -0,0 +1,68 @@
+package job
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestKeepOldestOnly(t *testing.T) {
+	emptyList := []Job{}
+	oneJob := []Job{{Name: "a", Timestamp: 10, Success: true}}
+	twoJobs := []Job{
+		{Name: "a", Timestamp: 5, Success: true},
+		{Name: "a", Timestamp: 10, Success: true},
+	}
+	threeJobs := []Job{
+		{Name: "a", Timestamp: 5, Success: true},
+		{Name: "a", Timestamp: 10, Success: true},
+		{Name: "a", Timestamp: 8, Success: false},
+	}
+	type args struct {
+		jobs []Job
+	}
+	tests := []struct {
+		name string
+		args args
+		want []Job
+	}{
+		{"empty list", args{emptyList}, nil},
+		{"one job", args{oneJob}, oneJob},
+		{"two jobs", args{twoJobs}, oneJob},
+		{"three jobs", args{threeJobs}, oneJob},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := KeepOldestOnly(tt.args.jobs); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("KeepOldestOnly() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestKeepSuccessOnly(t *testing.T) {
+	emptyList := []Job{}
+	oneJob := []Job{{Name: "a", Timestamp: 10, Success: true}}
+	twoJobs := []Job{
+		{Name: "a", Timestamp: 10, Success: true},
+		{Name: "a", Timestamp: 5, Success: false},
+	}
+	type args struct {
+		jobs []Job
+	}
+	tests := []struct {
+		name       string
+		args       args
+		wantResult []Job
+	}{
+		{"empty list", args{emptyList}, emptyList},
+		{"one job", args{oneJob}, oneJob},
+		{"two jobs", args{twoJobs}, oneJob},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if gotResult := KeepSuccessOnly(tt.args.jobs); !reflect.DeepEqual(gotResult, tt.wantResult) {
+				t.Errorf("KeepSuccessOnly() = %v, want %v", gotResult, tt.wantResult)
+			}
+		})
+	}
+}