test harness almost in place

6 files changed, 53 insertions, 23 deletions

diff --git a/lua/99/geo.lua b/lua/99/geo.lua
index 8a95505..d5a804c 100644
--- a/lua/99/geo.lua
+++ b/lua/99/geo.lua
@@ -72,6 +72,13 @@ function Point:from_cursor()
     return point
 end
 
+--- @param ns_id string
+---@param buffer number
+---@param mark_id string
+function Point:from_extmark(ns_id, buffer, mark_id)
+    local row, col = vim.api.nvim_buf_get_extmark_by_id(buffer, ns_id, mark_id)
+end
+
 --- @param row number
 ---@param col number
 --- @return Point
diff --git a/lua/99/test/integration.spec.lua b/lua/99/test/integration_spec.lua
index a47dc3b..0a9a6bb 100644
--- a/lua/99/test/integration.spec.lua
+++ b/lua/99/test/integration_spec.lua
@@ -1,8 +1,8 @@
 -- luacheck: globals describe it assert
 local _99 = require("99")
 local test_utils = require("99.test.test_utils")
-local M = {}
 local eq = assert.are.same
+local test_content = require("99.test.test_content")
 
 --- @param content string[]
 --- @return _99.Provider, number
@@ -24,7 +24,7 @@ end
 
 describe("fill_in_function", function()
     it("should fill in function that multiple lines", function()
-        local p, buffer = setup(M.empty_function_2_lines)
+        local p, buffer = setup(test_content.empty_function_2_lines)
         _99.fill_in_function()
 
         local expected_state = {
@@ -39,16 +39,3 @@ describe("fill_in_function", function()
         eq(expected_state, r(buffer))
     end)
 end)
-
-M.empty_function_2_lines = {
-    "",
-    "function foo()",
-    "end",
-    "",
-}
-
-M.empty_function_single_line = {
-    "",
-    "function foo() end",
-    "",
-}
diff --git a/lua/99/test/test_content.lua b/lua/99/test/test_content.lua
new file mode 100644
index 0000000..5980b8e
--- /dev/null
+++ b/lua/99/test/test_content.lua
@@ -0,0 +1,14 @@
+local M = {}
+M.empty_function_2_lines = {
+    "",
+    "function foo()",
+    "end",
+    "",
+}
+
+M.empty_function_single_line = {
+    "",
+    "function foo() end",
+    "",
+}
+return M
diff --git a/lua/99/test/test_utils.lua b/lua/99/test/test_utils.lua
index 5e19bec..1240c63 100644
--- a/lua/99/test/test_utils.lua
+++ b/lua/99/test/test_utils.lua
@@ -7,13 +7,13 @@ M.created_files = {}
 --- @field context _99.Context
 --- @field observer _99.ProviderObserver?
 
---- @class _99.test.Provider
+--- @class _99.test.Provider : _99.Provider
 --- @field request _99.test.ProviderRequest?
 local TestProvider = {}
 TestProvider.__index = TestProvider
 
 function TestProvider.new()
-    return setmetatable({})
+    return setmetatable({}, TestProvider)
 end
 
 --- @param query string
@@ -70,12 +70,14 @@ end
 ---@param row number?
 ---@param col number?
 function M.create_file(contents, file_type, row, col)
+    assert(type(contents) == "table", "contents must be a table of strings")
     file_type = file_type or "lua"
     local bufnr = vim.api.nvim_create_buf(false, false)
 
     vim.api.nvim_set_current_buf(bufnr)
     vim.bo[bufnr].ft = file_type
     vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, contents)
+    print("row", row or 1, "col", col or 0)
     vim.api.nvim_win_set_cursor(0, { row or 1, col or 0 })
 
     table.insert(M.created_files, bufnr)
diff --git a/scratch/refresh.lua b/scratch/refresh.lua
index c90f76f..5347b0f 100644
--- a/scratch/refresh.lua
+++ b/scratch/refresh.lua
@@ -1,8 +1,23 @@
-local function pick_a_number_that_is_42()
-    return 42
-end
+R("99")
+
+function foo() end
 
-function return_42()
-    local number = pick_a_number_that_is_42()
-    return number
+local ns_id = vim.api.nvim_create_namespace("turd-ferg")
+local function add_virtual_text()
+    vim.api.nvim_buf_clear_namespace(0, ns_id, 0, -1)
+    vim.api.nvim_buf_set_extmark(0, ns_id, 2, 0, {
+        virt_lines = {
+            {
+                { "foo bar 1", "Comment" },
+            },
+            {
+                { "foo bar 2", "error" },
+            },
+            {
+                { "foo bar 4", "Comment" },
+            },
+        },
+    })
 end
+
+add_virtual_text()
diff --git a/scripts/tests/minimal.vim b/scripts/tests/minimal.vim
new file mode 100644
index 0000000..f8c036d
--- /dev/null
+++ b/scripts/tests/minimal.vim
@@ -0,0 +1,5 @@
+set noswapfile
+set rtp+=.
+set rtp+=../plenary.nvim
+runtime! plugin/plenary.vim
+