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Diffstat (limited to 'tests/runner_spec.lua')
-rw-r--r-- | tests/runner_spec.lua | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/runner_spec.lua b/tests/runner_spec.lua index 5ab7893..0c45117 100644 --- a/tests/runner_spec.lua +++ b/tests/runner_spec.lua @@ -307,6 +307,19 @@ print("a") assert.are.same({ "newcontent" }, vim.api.nvim_buf_get_lines(0, 0, -1, false)) end) + it("discards formatting changes if formatter output is empty /w non-empty input", function() + local bufnr = vim.fn.bufadd("testfile") + vim.fn.bufload(bufnr) + vim.api.nvim_set_current_buf(bufnr) + local original_lines = { "line one", "line two" } + vim.api.nvim_buf_set_lines(bufnr, 0, -1, true, original_lines) + vim.bo[bufnr].modified = false + set_formatter_output({ "" }) + conform.format({ formatters = { "test" }, quiet = true }) + local output_lines = vim.api.nvim_buf_get_lines(0, 0, -1, false) + assert.are.same(original_lines, output_lines) + end) + it("formats on save", function() conform.setup({ formatters_by_ft = { ["*"] = { "test" } }, |