test: backtick expansion #6218

1 files changed, 42 insertions, 0 deletions

diff --git a/test/functional/eval/backtick_expansion_spec.lua b/test/functional/eval/backtick_expansion_spec.lua
new file mode 100644
index 0000000000..81e8e295fa
--- /dev/null
+++ b/test/functional/eval/backtick_expansion_spec.lua
@@ -0,0 +1,42 @@
+local lfs = require('lfs')
+local helpers = require('test.functional.helpers')(after_each)
+local clear, command, eval, eq = helpers.clear, helpers.command, helpers.eval, helpers.eq
+local write_file = helpers.write_file
+
+describe("backtick expansion", function()
+  setup(function()
+    clear()
+    lfs.mkdir("test-backticks")
+    write_file("test-backticks/file1", "test file 1")
+    write_file("test-backticks/file2", "test file 2")
+    write_file("test-backticks/file3", "test file 3")
+    lfs.mkdir("test-backticks/subdir")
+    write_file("test-backticks/subdir/file4", "test file 4")
+    -- Long path might cause "Press ENTER" prompt; use :silent to avoid it.
+    command('silent cd test-backticks')
+  end)
+
+  teardown(function()
+    helpers.rmdir('test-backticks')
+  end)
+
+  it("with default 'shell'", function()
+    if helpers.pending_win32(pending) then return end  -- Need win32 shell fixes
+    command(":silent args `echo ***2`")
+    eq({ "file2", }, eval("argv()"))
+    command(":silent args `echo */*4`")
+    eq({ "subdir/file4", }, eval("argv()"))
+  end)
+
+  it("with shell=fish", function()
+    if eval("executable('fish')") == 0 then
+      pending('missing "fish" command')
+      return
+    end
+    command("set shell=fish")
+    command(":silent args `echo ***2`")
+    eq({ "file2", }, eval("argv()"))
+    command(":silent args `echo */*4`")
+    eq({ "subdir/file4", }, eval("argv()"))
+  end)
+end)