Add completionItem/resolve test

internal/langserver/handlers/completion_resolve_test.go

@@ -0,0 +1,72 @@
+package handlers
+
+import (
+	"encoding/json"
+	"fmt"
+	"testing"
+
+	tfjson "github.com/hashicorp/terraform-json"
+	"github.com/hashicorp/terraform-ls/internal/langserver"
+	"github.com/hashicorp/terraform-ls/internal/langserver/session"
+)
+
+func TestCompletionResolve_withoutInitialization(t *testing.T) {
+	ls := langserver.NewLangServerMock(t, NewMockSession(nil))
+	stop := ls.Start(t)
+	defer stop()
+
+	ls.CallAndExpectError(t, &langserver.CallRequest{
+		Method:    "completionItem/resolve",
+		ReqParams: "{}"}, session.SessionNotInitialized.Err())
+}
+
+func TestCompletionResolve_withoutHook(t *testing.T) {
+	tmpDir := TempDir(t)
+	InitPluginCache(t, tmpDir.Path())
+
+	var testSchema tfjson.ProviderSchemas
+	err := json.Unmarshal([]byte(testModuleSchemaOutput), &testSchema)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ls := langserver.NewLangServerMock(t, NewMockSession(nil))
+	stop := ls.Start(t)
+	defer stop()
+
+	ls.Call(t, &langserver.CallRequest{
+		Method: "initialize",
+		ReqParams: fmt.Sprintf(`{
+		"capabilities": {},
+		"rootUri": %q,
+		"processId": 12345
+	}`, tmpDir.URI)})
+	ls.Notify(t, &langserver.CallRequest{
+		Method:    "initialized",
+		ReqParams: "{}",
+	})
+
+	ls.CallAndExpectResponse(t, &langserver.CallRequest{
+		Method: "completionItem/resolve",
+		ReqParams: fmt.Sprintf(`{
+			"label": "\"test\"",
+			"kind": 1,
+			"data": {
+				"resolve_hook": "test",
+				"path": "%s/main.tf"
+			}
+		}`, TempDir(t).URI),
+	}, fmt.Sprintf(`{
+			"jsonrpc": "2.0",
+			"id": 2,
+			"result": {
+				"label": "\"test\"",
+				"labelDetails": {},
+				"kind": 1,
+				"data": {
+					"resolve_hook": "test",
+					"path": "%s/main.tf"
+				}
+			}
+	}`, TempDir(t).URI))
+}