diff --git a/tests/integration/source_spec.lua b/tests/integration/source_spec.lua
new file mode 100644
index 000000000..1d4385bf1
--- /dev/null
+++ b/tests/integration/source_spec.lua
@@ -0,0 +1,197 @@
+local helpers = require("test.functional.helpers")(after_each)
+local exec_lua, feed, exec = helpers.exec_lua, helpers.feed, helpers.exec
+local ls_helpers = require("helpers")
+local Screen = require("test.functional.ui.screen")
+local assert = require("luassert")
+
+describe("loaders:", function()
+	local screen
+
+	before_each(function()
+		helpers.clear()
+
+		screen = Screen.new(50, 8)
+		screen:attach()
+		screen:set_default_attr_ids({
+			[0] = { bold = true, foreground = Screen.colors.Blue },
+			[1] = { bold = true, foreground = Screen.colors.Brown },
+			[2] = { bold = true },
+			[3] = { background = Screen.colors.LightGray },
+		})
+	end)
+
+	after_each(function()
+		screen:detach()
+	end)
+
+	it("error-message when source not available", function()
+		ls_helpers.session_setup_luasnip({ no_snip_globals = true })
+		ls_helpers.loaders["vscode(rtp)"]()
+
+		feed("iall1")
+		exec_lua("ls.expand()")
+		screen:expect({
+			grid = [[
+			expands? jumps? ^  !                               |
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{2:-- INSERT --}                                      |]],
+		})
+		feed("<esc>")
+		exec_lua(
+			[[require("luasnip.extras.snip_location").jump_to_active_snippet()]]
+		)
+		screen:expect({
+			grid = [[
+			expands? jumps?^   !                               |
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			Snippet does not have a source.                   |]],
+		})
+	end)
+
+	it("vscode: error-message when parser not installed.", function()
+		ls_helpers.session_setup_luasnip({
+			no_snip_globals = true,
+			setup_extend = { loaders_store_source = true },
+		})
+		ls_helpers.loaders["vscode(rtp)"]()
+
+		feed("iall1")
+		exec_lua("ls.expand()")
+		screen:expect({
+			grid = [[
+			expands? jumps? ^  !                               |
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{2:-- INSERT --}                                      |]],
+		})
+		feed("<esc>")
+		exec_lua(
+			[[require("luasnip.extras.snip_location").jump_to_active_snippet()]]
+		)
+		screen:expect({
+			grid = [[
+			^{                                                 |
+			        "snip1": {                                |
+			                "prefix": "all1",                 |
+			                "body": [                         |
+			                        "expands? jumps? $1 $2 !" |
+			                ]                                 |
+			        },                                        |
+			Could not determine ran...help treesitter-parsers |]]
+		})
+	end)
+
+	it("snipmate: highlights snippet-definition.", function()
+		ls_helpers.session_setup_luasnip({
+			no_snip_globals = true,
+			setup_extend = { loaders_store_source = true },
+		})
+		ls_helpers.loaders["snipmate(rtp)"]()
+
+		feed("iall1")
+		exec_lua("ls.expand()")
+		screen:expect({
+			grid = [[
+			expands? jumps? ^  !                               |
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{2:-- INSERT --}                                      |]],
+		})
+		feed("<esc>")
+		exec_lua(
+			[[require("luasnip.extras.snip_location").jump_to_active_snippet()]]
+		)
+		screen:expect({
+			grid = [[
+			# A comment                                       |
+			{3:^snippet all1 A test snippet}                       |
+			{3:        expands? jumps? $1 $2 !}                   |
+			snippet all2 Another snippet                      |
+			        multi$1                                   |
+			        # not removed??                           |
+			        line$2                                    |
+			                                                  |]],
+		})
+	end)
+
+	it("vscode: correctly highlights definition if parser installed", function()
+		ls_helpers.session_setup_luasnip({
+			no_snip_globals = true,
+			setup_extend = {loaders_store_source = true},
+			setup_parsers = true })
+
+		ls_helpers.loaders["vscode(rtp)"]()
+
+		feed("iall1")
+		exec_lua("ls.expand()")
+		screen:expect{grid=[[
+			expands? jumps? ^  !                               |
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{2:-- INSERT --}                                      |]]}
+		feed("<esc>")
+		exec_lua([[require("luasnip.extras.snip_location").jump_to_active_snippet()]])
+		screen:expect{grid=[[
+			{                                                 |
+			{3:       ^ "snip1": {}                                |
+			{3:                "prefix": "all1",}                 |
+			{3:                "body": [}                         |
+			{3:                        "expands? jumps? $1 $2 !"} |
+			{3:                ]}                                 |
+			{3:        },}                                        |
+			                                                  |]]}
+	end)
+
+	it("lua: highlights definition (should always work, the lua-parser is installed by default).", function()
+		ls_helpers.session_setup_luasnip({
+			no_snip_globals = true,
+			setup_extend = {loaders_store_source = true},
+			setup_parsers = true })
+		ls_helpers.loaders["lua(rtp)"]()
+
+		feed("iall1")
+		exec_lua("ls.expand()")
+		screen:expect{grid=[[
+			expands? jumps? ^  !                               |
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{0:~                                                 }|
+			{2:-- INSERT --}                                      |]]}
+		feed("<esc>")
+		exec_lua([[require("luasnip.extras.snip_location").jump_to_active_snippet()]])
+		screen:expect{grid=[[
+			return {                                          |
+			{3:       ^ s("all1", fmt("expands? jumps? {} {} !", {}|
+			{3: i(1), i(2) })),}                                  |
+			}, {                                              |
+			        parse("auto???", "autotriggered????????"),|
+			}                                                 |
+			{0:~                                                 }|
+			                                                  |]]}
+	end)
+end)