tests for line_begin and line_end

tests/unit/expand_conditions_spec.lua

@@ -105,4 +105,55 @@ describe("expand_conditions", function()
 			end
 		end)
 	end)
+	describe("line_begin", function()
+		it("is at begin", function()
+			local function foo()
+				return helpers.exec_lua([[
+				local cond = require("luasnip.extras.expand_conditions")
+				local c = cond.line_begin
+				return not c("hello world", "hello world") ~= true -- allow nil/object
+				]])
+			end
+			assert.has_no.errors(foo)
+			assert.is_true(foo())
+		end)
+		it("is NOT at begin", function()
+			local function foo()
+				return helpers.exec_lua([[
+				local cond = require("luasnip.extras.expand_conditions")
+				local c = cond.line_begin
+				return not c("hello world", "ld") ~= false -- allow nil/object
+				]])
+			end
+			assert.has_no.errors(foo)
+			assert.is_true(foo())
+		end)
+	end)
+	describe("line_end", function()
+		it("is at begin", function()
+			local function foo()
+				return helpers.exec_lua([[
+				-- vim.api.nvim_get_current_line
+				vim = {api = {nvim_get_current_line = function() return "hello world ending" end}}
+				local cond = require("luasnip.extras.expand_conditions")
+				local c = cond.line_end
+				return not c("hello world ending") ~= true -- allow nil/object
+				]])
+			end
+			assert.has_no.errors(foo)
+			assert.is_true(foo())
+		end)
+		it("is NOT at begin", function()
+			local function foo()
+				return helpers.exec_lua([[
+				vim = {api = {nvim_get_current_line = function() return "hello world ending" end}}
+				local cond = require("luasnip.extras.expand_conditions")
+				local c = cond.line_end
+				return not c("hello world") ~= false -- allow nil/object
+				]])
+			end
+			assert.has_no.errors(foo)
+			assert.is_true(foo())
+		end)
+	end)
 end)