Add integration testing

Author: SasSwart

integration/integration_test.go

@@ -90,10 +90,11 @@ func TestIntegration(t *testing.T) {
 				// TODO (sasswart): the cli doesn't support presets yet.
 				// once it does, the value for workspace_parameter.value
 				// will be the preset value.
-				"workspace_parameter.value":         `param value`,
-				"workspace_parameter.icon":          `param icon`,
-				"workspace_preset.name":             `preset`,
-				"workspace_preset.parameters.param": `preset param value`,
+				"workspace_parameter.value":            `param value`,
+				"workspace_parameter.icon":             `param icon`,
+				"workspace_preset.name":                `preset`,
+				"workspace_preset.parameters.param":    `preset param value`,
+				"workspace_preset.prebuilds.instances": `1`,
 			},
 		},
 		{

integration/test-data-source/main.tf

@@ -24,6 +24,10 @@ data "coder_workspace_preset" "preset" {
   parameters = {
     (data.coder_parameter.param.name) = "preset param value"
   }
+
+  prebuilds {
+    instances = 1
+  }
 }
 
 locals {
@@ -47,6 +51,7 @@ locals {
     "workspace_parameter.icon" : data.coder_parameter.param.icon,
     "workspace_preset.name" : data.coder_workspace_preset.preset.name,
     "workspace_preset.parameters.param" : data.coder_workspace_preset.preset.parameters.param,
+    "workspace_preset.prebuilds.instances" : tostring(one(data.coder_workspace_preset.preset.prebuilds).instances),
   }
 }
 

provider/workspace_preset.go

@@ -10,9 +10,9 @@ import (
 )
 
 type WorkspacePreset struct {
-	Name       string              `mapstructure:"name"`
-	Parameters map[string]string   `mapstructure:"parameters"`
-	Prebuild   []WorkspacePrebuild `mapstructure:"prebuilds"`
+	Name       string            `mapstructure:"name"`
+	Parameters map[string]string `mapstructure:"parameters"`
+	Prebuilds  WorkspacePrebuild `mapstructure:"prebuilds"`
 }
 
 type WorkspacePrebuild struct {
@@ -29,31 +29,22 @@ func workspacePresetDataSource() *schema.Resource {
 			err := mapstructure.Decode(struct {
 				Name       interface{}
 				Parameters interface{}
-				Prebuilds  []struct {
+				Prebuilds  struct {
 					Instances interface{}
 				}
 			}{
 				Name:       rd.Get("name"),
 				Parameters: rd.Get("parameters"),
-				Prebuilds: []struct {
+				Prebuilds: struct {
 					Instances interface{}
 				}{
-					{
-						Instances: rd.Get("prebuilds.0.instances"),
-					},
+					Instances: rd.Get("prebuilds.0.instances"),
 				},
 			}, &preset)
 			if err != nil {
 				return diag.Errorf("decode workspace preset: %s", err)
 			}
 
-			// MinItems doesn't work with maps, so we need to check the length
-			// of the map manually. All other validation is handled by the
-			// schema.
-			if len(preset.Parameters) == 0 {
-				return diag.Errorf("expected \"parameters\" to not be an empty map")
-			}
-
 			rd.SetId(preset.Name)
 
 			return nil