feat: authsession service

authsession/internal/domain/sessionlimit/model_test.go

@@ -0,0 +1,128 @@
+package sessionlimit
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestKindIsKnown(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name  string
+		value Kind
+		want  bool
+	}{
+		{name: "disabled", value: KindDisabled, want: true},
+		{name: "allowed", value: KindAllowed, want: true},
+		{name: "exceeded", value: KindExceeded, want: true},
+		{name: "unknown", value: Kind("unknown"), want: false},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			if got := tt.value.IsKnown(); got != tt.want {
+				require.Failf(t, "test failed", "IsKnown() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestDecisionValidate(t *testing.T) {
+	t.Parallel()
+
+	limitTwo := 2
+	limitThree := 3
+
+	tests := []struct {
+		name    string
+		value   Decision
+		wantErr bool
+	}{
+		{
+			name: "disabled valid",
+			value: Decision{
+				Kind:               KindDisabled,
+				ActiveSessionCount: 0,
+				NextSessionCount:   1,
+			},
+		},
+		{
+			name: "allowed valid",
+			value: Decision{
+				Kind:               KindAllowed,
+				ConfiguredLimit:    &limitThree,
+				ActiveSessionCount: 1,
+				NextSessionCount:   2,
+			},
+		},
+		{
+			name: "exceeded valid",
+			value: Decision{
+				Kind:               KindExceeded,
+				ConfiguredLimit:    &limitTwo,
+				ActiveSessionCount: 2,
+				NextSessionCount:   3,
+			},
+		},
+		{
+			name: "disabled rejects limit",
+			value: Decision{
+				Kind:               KindDisabled,
+				ConfiguredLimit:    &limitTwo,
+				ActiveSessionCount: 0,
+				NextSessionCount:   1,
+			},
+			wantErr: true,
+		},
+		{
+			name: "allowed requires limit",
+			value: Decision{
+				Kind:               KindAllowed,
+				ActiveSessionCount: 0,
+				NextSessionCount:   1,
+			},
+			wantErr: true,
+		},
+		{
+			name: "allowed rejects overflow",
+			value: Decision{
+				Kind:               KindAllowed,
+				ConfiguredLimit:    &limitTwo,
+				ActiveSessionCount: 2,
+				NextSessionCount:   3,
+			},
+			wantErr: true,
+		},
+		{
+			name: "next count must be active plus one",
+			value: Decision{
+				Kind:               KindDisabled,
+				ActiveSessionCount: 2,
+				NextSessionCount:   2,
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			err := tt.value.Validate()
+			if tt.wantErr && err == nil {
+				require.FailNow(t, "Validate() returned nil error")
+			}
+			if !tt.wantErr && err != nil {
+				require.Failf(t, "test failed", "Validate() returned error: %v", err)
+			}
+		})
+	}
+}