Added tenants data source testing

Closes #110

octopusdeploy/data_source_tenants_test.go

@@ -0,0 +1,56 @@
+package octopusdeploy
+
+import (
+	"fmt"
+	"strconv"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
+)
+
+func TestAccDataSourceTenants(t *testing.T) {
+	localName := acctest.RandStringFromCharSet(20, acctest.CharSetAlpha)
+	name := fmt.Sprintf("data.octopusdeploy_tenants.%s", localName)
+	skip := acctest.RandIntRange(0, 100)
+	take := acctest.RandIntRange(0, 100)
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckTenantsDataSourceID(name),
+					resource.TestCheckResourceAttrSet(name, "id"),
+					resource.TestCheckResourceAttr(name, "skip", strconv.Itoa(skip)),
+					resource.TestCheckResourceAttr(name, "take", strconv.Itoa(take)),
+				),
+				Config: testAccDataSourceTenantsConfig(localName, skip, take),
+			},
+		},
+	})
+}
+
+func testAccCheckTenantsDataSourceID(n string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		all := s.RootModule().Resources
+		rs, ok := all[n]
+		if !ok {
+			return fmt.Errorf("cannot find tenants data source: %s", n)
+		}
+
+		if rs.Primary.ID == "" {
+			return fmt.Errorf("snapshot tenants source ID not set")
+		}
+		return nil
+	}
+}
+
+func testAccDataSourceTenantsConfig(localName string, skip int, take int) string {
+	return fmt.Sprintf(`data "octopusdeploy_tenants" "%s" {
+	  skip = %v
+	  take = %v
+	}`, localName, skip, take)
+}