128 lines
4 KiB
Lua
128 lines
4 KiB
Lua
local helpers = require('spec.helpers')
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describe('diagnostic', function()
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local diagnostic
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before_each(function()
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helpers.reset_config()
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diagnostic = require('preview.diagnostic')
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end)
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describe('clear', function()
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it('clears diagnostics for a buffer', function()
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local bufnr = helpers.create_buffer({ 'line1', 'line2' })
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local ns = diagnostic.get_namespace()
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vim.diagnostic.set(ns, bufnr, {
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{ lnum = 0, col = 0, message = 'test error', severity = vim.diagnostic.severity.ERROR },
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})
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local diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal(1, #diags)
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diagnostic.clear(bufnr)
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diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal(0, #diags)
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helpers.delete_buffer(bufnr)
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end)
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end)
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describe('set', function()
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it('sets diagnostics from error_parser output', function()
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local bufnr = helpers.create_buffer({ 'line1', 'line2' })
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local ns = diagnostic.get_namespace()
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local parser = function()
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return {
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{ lnum = 0, col = 0, message = 'syntax error', severity = vim.diagnostic.severity.ERROR },
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}
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end
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local ctx = { bufnr = bufnr, file = '/tmp/test.typ', root = '/tmp', ft = 'typst' }
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diagnostic.set(bufnr, 'typst', parser, 'error on line 1', ctx)
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local diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal(1, #diags)
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assert.are.equal('syntax error', diags[1].message)
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assert.are.equal('typst', diags[1].source)
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helpers.delete_buffer(bufnr)
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end)
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it('sets source to provider name when not specified', function()
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local bufnr = helpers.create_buffer({ 'line1' })
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local ns = diagnostic.get_namespace()
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local parser = function()
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return {
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{ lnum = 0, col = 0, message = 'err', severity = vim.diagnostic.severity.ERROR },
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}
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end
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local ctx = { bufnr = bufnr, file = '/tmp/test.tex', root = '/tmp', ft = 'tex' }
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diagnostic.set(bufnr, 'latexmk', parser, 'error', ctx)
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local diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal('latexmk', diags[1].source)
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helpers.delete_buffer(bufnr)
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end)
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it('preserves existing source from parser', function()
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local bufnr = helpers.create_buffer({ 'line1' })
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local ns = diagnostic.get_namespace()
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local parser = function()
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return {
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{
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lnum = 0,
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col = 0,
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message = 'err',
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severity = vim.diagnostic.severity.ERROR,
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source = 'custom',
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},
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}
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end
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local ctx = { bufnr = bufnr, file = '/tmp/test.tex', root = '/tmp', ft = 'tex' }
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diagnostic.set(bufnr, 'latexmk', parser, 'error', ctx)
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local diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal('custom', diags[1].source)
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helpers.delete_buffer(bufnr)
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end)
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it('handles parser failure gracefully', function()
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local bufnr = helpers.create_buffer({ 'line1' })
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local ns = diagnostic.get_namespace()
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local parser = function()
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error('parser exploded')
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end
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local ctx = { bufnr = bufnr, file = '/tmp/test.tex', root = '/tmp', ft = 'tex' }
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assert.has_no.errors(function()
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diagnostic.set(bufnr, 'latexmk', parser, 'error', ctx)
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end)
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local diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal(0, #diags)
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helpers.delete_buffer(bufnr)
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end)
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it('does nothing when parser returns empty list', function()
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local bufnr = helpers.create_buffer({ 'line1' })
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local ns = diagnostic.get_namespace()
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local parser = function()
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return {}
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end
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local ctx = { bufnr = bufnr, file = '/tmp/test.tex', root = '/tmp', ft = 'tex' }
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diagnostic.set(bufnr, 'latexmk', parser, 'error', ctx)
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local diags = vim.diagnostic.get(bufnr, { namespace = ns })
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assert.are.equal(0, #diags)
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helpers.delete_buffer(bufnr)
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end)
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end)
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end)
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