add the tests

Signed-off-by: Raffaele Di Fazio <raffo@github.com>

cmd/ghcs/delete_test.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"github.com/github/ghcs/internal/api"
+	"testing"
+	"time"
+)
+
+func TestFilterCodespacesToDelete(t *testing.T) {
+	type args struct {
+		codespaces    []*api.Codespace
+		thresholdDays int
+	}
+	tests := []struct {
+		name    string
+		now     time.Time
+		args    args
+		wantErr bool
+		deleted []*api.Codespace
+	}{
+		{
+			name: "no codespaces is to be deleted",
+
+			args: args{
+				codespaces: []*api.Codespace{
+					{
+						Name:       "testcodespace",
+						CreatedAt:  "2021-08-09T10:10:24+02:00",
+						LastUsedAt: "2021-08-09T13:10:24+02:00",
+						Environment: api.CodespaceEnvironment{
+							State: "Shutdown",
+						},
+					},
+				},
+				thresholdDays: 1,
+			},
+			now:     time.Date(2021, 8, 9, 20, 10, 24, 0, time.UTC),
+			deleted: []*api.Codespace{},
+		},
+		{
+			name: "one codespace is to be deleted",
+
+			args: args{
+				codespaces: []*api.Codespace{
+					{
+						Name:       "testcodespace",
+						CreatedAt:  "2021-08-09T10:10:24+02:00",
+						LastUsedAt: "2021-08-09T13:10:24+02:00",
+						Environment: api.CodespaceEnvironment{
+							State: "Shutdown",
+						},
+					},
+				},
+				thresholdDays: 1,
+			},
+			now: time.Date(2021, 8, 15, 20, 12, 24, 0, time.UTC),
+			deleted: []*api.Codespace{
+				{
+					Name:       "testcodespace",
+					CreatedAt:  "2021-08-09T10:10:24+02:00",
+					LastUsedAt: "2021-08-09T13:10:24+02:00",
+				},
+			},
+		},
+		{
+			name: "threshold is invalid",
+
+			args: args{
+				codespaces: []*api.Codespace{
+					{
+						Name:       "testcodespace",
+						CreatedAt:  "2021-08-09T10:10:24+02:00",
+						LastUsedAt: "2021-08-09T13:10:24+02:00",
+						Environment: api.CodespaceEnvironment{
+							State: "Shutdown",
+						},
+					},
+				},
+				thresholdDays: -1,
+			},
+			now:     time.Date(2021, 8, 15, 20, 12, 24, 0, time.UTC),
+			wantErr: true,
+			deleted: []*api.Codespace{},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			now = func() time.Time {
+				return tt.now
+			}
+
+			codespaces, err := filterCodespacesToDelete(tt.args.codespaces, tt.args.thresholdDays)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("API.CleanupUnusedCodespaces() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			if len(codespaces) != len(tt.deleted) {
+				t.Errorf("expected %d deleted codespaces, got %d", len(tt.deleted), len(codespaces))
+			}
+		})
+	}
+}