test: add tests for virtual document change event

tris203 · Nov 11, 2024 · 922a248 · 922a248
1 parent c34ab9e
commit 922a248
Showing 1 changed file with 66 additions and 0 deletions.
diff --git a/tests/rzls/virtual_document_spec.lua b/tests/rzls/virtual_document_spec.lua
@@ -10,6 +10,7 @@ describe("virtual document", function()
     vim.cmd.edit({ args = { path } })
     local ls = vim.fn.getbufinfo({ buflisted = 1 })
     local bufnr = ls[1].bufnr
+
     it("create virtual document", function()
         vd = virtual_document:new(bufnr, razor.language_kinds.html)
         eq({
@@ -18,6 +19,9 @@ describe("virtual document", function()
             content = "",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
         }, vd)
     end)
 
@@ -42,6 +46,9 @@ describe("virtual document", function()
             content = "Hello\n",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
         }, vd)
         vd:update_content({
             previousWasEmpty = false,
@@ -63,6 +70,9 @@ describe("virtual document", function()
             content = "Hello World\n",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
         }, vd)
         vd:update_content({
             previousWasEmpty = false,
@@ -84,6 +94,9 @@ describe("virtual document", function()
             content = "Hello stuff\n",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
         }, vd)
         vd:update_content({
             previousWasEmpty = false,
@@ -105,6 +118,9 @@ describe("virtual document", function()
             content = "Hello in the middle stuff\n",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
         }, vd)
         vd:update_content({
             previousWasEmpty = false,
@@ -126,6 +142,9 @@ describe("virtual document", function()
             content = "i💩\nHello in the middle stuff\n",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
         }, vd)
         vd:update_content({
             previousWasEmpty = false,
@@ -147,6 +166,53 @@ describe("virtual document", function()
             content = "Hello in the middle stuff\n",
             kind = razor.language_kinds.html,
             path = full_path,
+            change_event = {
+                listeners = {},
+            },
+        }, vd)
+    end)
+
+    it("trigger change event when a document content changes", function()
+        local update_handler_called = false
+
+        local function update_handler()
+            update_handler_called = true
+        end
+
+        vd.change_event:on(update_handler)
+
+        vd:update_content({
+            previousWasEmpty = false,
+            hostDocumentVersion = 7,
+            hostDocumentFilePath = full_path,
+            changes = {
+                {
+                    newText = "",
+                    span = {
+                        start = 0,
+                        length = 0,
+                    },
+                },
+            },
+        })
+
+        eq({
+            buf = bufnr,
+            host_document_version = 7,
+            content = "Hello in the middle stuff\n",
+            kind = razor.language_kinds.html,
+            path = full_path,
+            change_event = {
+                listeners = { update_handler },
+            },
         }, vd)
+
+        local co = coroutine.running()
+        vim.schedule(function()
+            coroutine.resume(co)
+        end)
+        coroutine.yield()
+
+        eq(true, update_handler_called)
     end)
 end)