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-rw-r--r--tests/mason-core/ui_spec.lua301
1 files changed, 301 insertions, 0 deletions
diff --git a/tests/mason-core/ui_spec.lua b/tests/mason-core/ui_spec.lua
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+++ b/tests/mason-core/ui_spec.lua
@@ -0,0 +1,301 @@
+local match = require "luassert.match"
+local spy = require "luassert.spy"
+local display = require "mason-core.ui.display"
+local Ui = require "mason-core.ui"
+local a = require "mason-core.async"
+
+describe("ui", function()
+ it("produces a correct tree", function()
+ local function renderer(state)
+ return Ui.CascadingStyleNode({ "INDENT" }, {
+ Ui.When(not state.is_active, function()
+ return Ui.Text {
+ "I'm not active",
+ "Another line",
+ }
+ end),
+ Ui.When(state.is_active, function()
+ return Ui.Text {
+ "I'm active",
+ "Yet another line",
+ }
+ end),
+ })
+ end
+
+ assert.same({
+ children = {
+ {
+ type = "HL_TEXT",
+ lines = {
+ { { "I'm not active", "" } },
+ { { "Another line", "" } },
+ },
+ },
+ {
+ type = "NODE",
+ children = {},
+ },
+ },
+ styles = { "INDENT" },
+ type = "CASCADING_STYLE",
+ }, renderer { is_active = false })
+
+ assert.same({
+ children = {
+ {
+ type = "NODE",
+ children = {},
+ },
+ {
+ type = "HL_TEXT",
+ lines = {
+ { { "I'm active", "" } },
+ { { "Yet another line", "" } },
+ },
+ },
+ },
+ styles = { "INDENT" },
+ type = "CASCADING_STYLE",
+ }, renderer { is_active = true })
+ end)
+
+ it("renders a tree correctly", function()
+ local render_output = display._render_node(
+ {
+ win_width = 120,
+ },
+ Ui.CascadingStyleNode({ "INDENT" }, {
+ Ui.Keybind("i", "INSTALL_PACKAGE", { "sumneko_lua" }, true),
+ Ui.HlTextNode {
+ {
+ { "Hello World!", "MyHighlightGroup" },
+ },
+ {
+ { "Another Line", "Comment" },
+ },
+ },
+ Ui.HlTextNode {
+ {
+ { "Install something idk", "Stuff" },
+ },
+ },
+ Ui.StickyCursor { id = "sticky" },
+ Ui.Keybind("<CR>", "INSTALL_PACKAGE", { "tsserver" }, false),
+ Ui.DiagnosticsNode {
+ message = "yeah this one's outdated",
+ severity = vim.diagnostic.severity.WARN,
+ source = "trust me bro",
+ },
+ Ui.Text { "I'm a text node" },
+ })
+ )
+
+ assert.same({
+ highlights = {
+ {
+ col_start = 2,
+ col_end = 14,
+ line = 0,
+ hl_group = "MyHighlightGroup",
+ },
+ {
+ col_start = 2,
+ col_end = 14,
+ line = 1,
+ hl_group = "Comment",
+ },
+ {
+ col_start = 2,
+ col_end = 23,
+ line = 2,
+ hl_group = "Stuff",
+ },
+ },
+ lines = { " Hello World!", " Another Line", " Install something idk", " I'm a text node" },
+ virt_texts = {},
+ sticky_cursors = { line_map = { [3] = "sticky" }, id_map = { ["sticky"] = 3 } },
+ keybinds = {
+ {
+ effect = "INSTALL_PACKAGE",
+ key = "i",
+ line = -1,
+ payload = { "sumneko_lua" },
+ },
+ {
+ effect = "INSTALL_PACKAGE",
+ key = "<CR>",
+ line = 3,
+ payload = { "tsserver" },
+ },
+ },
+ diagnostics = {
+ {
+ line = 3,
+ message = "yeah this one's outdated",
+ source = "trust me bro",
+ severity = vim.diagnostic.severity.WARN,
+ },
+ },
+ }, render_output)
+ end)
+end)
+
+describe("integration test", function()
+ it(
+ "calls vim APIs as expected during rendering",
+ async_test(function()
+ local window = display.new_view_only_win("test", "my-filetype")
+
+ window.view(function(state)
+ return Ui.Node {
+ Ui.Keybind("U", "EFFECT", nil, true),
+ Ui.Text {
+ "Line number 1!",
+ state.text,
+ },
+ Ui.Keybind("R", "R_EFFECT", { state.text }),
+ Ui.HlTextNode {
+ {
+ { "My highlighted text", "MyHighlightGroup" },
+ },
+ },
+ }
+ end)
+
+ local mutate_state = window.state { text = "Initial state" }
+
+ local clear_namespace = spy.on(vim.api, "nvim_buf_clear_namespace")
+ local buf_set_option = spy.on(vim.api, "nvim_buf_set_option")
+ local win_set_option = spy.on(vim.api, "nvim_win_set_option")
+ local set_lines = spy.on(vim.api, "nvim_buf_set_lines")
+ local set_extmark = spy.on(vim.api, "nvim_buf_set_extmark")
+ local set_hl = spy.on(vim.api, "nvim_set_hl")
+ local add_highlight = spy.on(vim.api, "nvim_buf_add_highlight")
+ local set_keymap = spy.on(vim.keymap, "set")
+
+ window.init {
+ effects = {
+ ["EFFECT"] = function() end,
+ ["R_EFFECT"] = function() end,
+ },
+ highlight_groups = {
+ MyHighlight = { bold = true },
+ },
+ }
+ window.open { border = "none" }
+
+ -- Initial window and buffer creation + initial render
+ a.scheduler()
+
+ assert.spy(set_hl).was_called(1)
+ assert.spy(set_hl).was_called_with(match.is_number(), "MyHighlight", match.same { bold = true })
+
+ assert.spy(win_set_option).was_called(8)
+ assert.spy(win_set_option).was_called_with(match.is_number(), "number", false)
+ assert.spy(win_set_option).was_called_with(match.is_number(), "relativenumber", false)
+ assert.spy(win_set_option).was_called_with(match.is_number(), "wrap", false)
+ assert.spy(win_set_option).was_called_with(match.is_number(), "spell", false)
+ assert.spy(win_set_option).was_called_with(match.is_number(), "foldenable", false)
+ assert.spy(win_set_option).was_called_with(match.is_number(), "signcolumn", "no")
+ assert.spy(win_set_option).was_called_with(match.is_number(), "colorcolumn", "")
+ assert.spy(win_set_option).was_called_with(match.is_number(), "cursorline", true)
+
+ assert.spy(buf_set_option).was_called(10)
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "modifiable", false)
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "swapfile", false)
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "textwidth", 0)
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "buftype", "nofile")
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "bufhidden", "wipe")
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "buflisted", false)
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "filetype", "my-filetype")
+ assert.spy(buf_set_option).was_called_with(match.is_number(), "undolevels", -1)
+
+ assert.spy(set_lines).was_called(1)
+ assert
+ .spy(set_lines)
+ .was_called_with(match.is_number(), 0, -1, false, { "Line number 1!", "Initial state", "My highlighted text" })
+
+ assert.spy(set_extmark).was_called(0)
+
+ assert.spy(add_highlight).was_called(1)
+ assert
+ .spy(add_highlight)
+ .was_called_with(match.is_number(), match.is_number(), "MyHighlightGroup", 2, 0, 19)
+
+ assert.spy(set_keymap).was_called(2)
+ assert.spy(set_keymap).was_called_with(
+ "n",
+ "U",
+ match.is_function(),
+ match.tbl_containing { nowait = true, silent = true, buffer = match.is_number() }
+ )
+ assert.spy(set_keymap).was_called_with(
+ "n",
+ "R",
+ match.is_function(),
+ match.tbl_containing { nowait = true, silent = true, buffer = match.is_number() }
+ )
+
+ assert.spy(clear_namespace).was_called(1)
+ assert.spy(clear_namespace).was_called_with(match.is_number(), match.is_number(), 0, -1)
+
+ mutate_state(function(state)
+ state.text = "New state"
+ end)
+
+ assert.spy(set_lines).was_called(1)
+ a.scheduler()
+ assert.spy(set_lines).was_called(2)
+
+ assert
+ .spy(set_lines)
+ .was_called_with(match.is_number(), 0, -1, false, { "Line number 1!", "New state", "My highlighted text" })
+ end)
+ )
+
+ it(
+ "anchors to sticky cursor",
+ async_test(function()
+ local window = display.new_view_only_win("test", "my-filetype")
+ window.view(function(state)
+ local extra_lines = state.show_extra_lines
+ and Ui.Text {
+ "More",
+ "Lines",
+ "Here",
+ }
+ or Ui.Node {}
+ return Ui.Node {
+ extra_lines,
+ Ui.Text {
+ "Line 1",
+ "Line 2",
+ "Line 3",
+ "Line 4",
+ "Special line",
+ },
+ Ui.StickyCursor { id = "special" },
+ Ui.Text {
+ "Line 6",
+ "Line 7",
+ "Line 8",
+ "Line 9",
+ "Line 10",
+ },
+ }
+ end)
+ local mutate_state = window.state { show_extra_lines = false }
+ window.init {}
+ window.open { border = "none" }
+ a.scheduler()
+ window.set_cursor { 5, 3 } -- move cursor to sticky line
+ mutate_state(function(state)
+ state.show_extra_lines = true
+ end)
+ a.scheduler()
+ local cursor = window.get_cursor()
+ assert.same({ 8, 3 }, cursor)
+ end)
+ )
+end)
generated by cgit v1.2.3-70-g09d2 (git 2.52.0) at 2026-01-03 18:22:52 +0000