src: mass rename project->package
[nit.git] / src / testing / testing_doc.nit
index 1d4490f..82518da 100644 (file)
 # Testing from code comments.
 module testing_doc
 
+private import parser_util
 import testing_base
-intrude import docdown
+import markdown
+import html
 
 # Extractor, Executor and Reporter for the tests in a module
 class NitUnitExecutor
-       super Doc2Mdwn
+       super HTMLDecorator
+
+       # Toolcontext used to parse Nit code blocks.
+       var toolcontext: ToolContext
 
        # The prefix of the generated Nit source-file
        var prefix: String
@@ -32,48 +37,20 @@ class NitUnitExecutor
        var testsuite: HTMLTag
 
        # All blocks of code from a same `ADoc`
-       var blocks = new Array[Array[String]]
+       var blocks = new Array[Buffer]
 
        # All failures from a same `ADoc`
        var failures = new Array[String]
 
-       redef fun process_code(n: HTMLTag, text: String, tag: nullable String)
-       do
-               # Skip non-blocks
-               if n.tag != "pre" then return
-
-               # Skip strict non-nit
-               if tag != null and tag != "nit" and tag != "" then
-                       return
-               end
-
-               # Try to parse it
-               var ast = toolcontext.parse_something(text)
+       # Markdown processor used to parse markdown comments and extract code.
+       var mdproc = new MarkdownProcessor
 
-               # Skip pure comments
-               if ast isa TComment then return
-
-               # We want executable code
-               if not (ast isa AModule or ast isa ABlockExpr or ast isa AExpr) then
-                       var message = ""
-                       if ast isa AError then message = " At {ast.location}: {ast.message}."
-                       toolcontext.warning(ndoc.location, "invalid-block", "Error: There is a block of code that is not valid Nit, thus not considered a nitunit. To suppress this warning, enclose the block with a fence tagged `nitish` or `raw` (see `man nitdoc`).{message}")
-                       failures.add("{ndoc.location}: Invalid block of code.{message}")
-                       return
-               end
-
-               # Create a first block
-               # Or create a new block for modules that are more than a main part
-               if blocks.is_empty or ast isa AModule then
-                       blocks.add(new Array[String])
-               end
-
-               # Add it to the file
-               blocks.last.add(text)
+       init do
+               mdproc.emitter.decorator = new NitunitDecorator(self)
        end
 
-       # The associated node to localize warnings
-       var ndoc: nullable ADoc = null
+       # The associated documentation object
+       var mdoc: nullable MDoc = null
 
        # used to generate distinct names
        var cpt = 0
@@ -82,14 +59,15 @@ class NitUnitExecutor
        # Fill `docunits` with new discovered unit of tests.
        #
        # `tc` (testcase) is the pre-filled XML node
-       fun extract(ndoc: ADoc, tc: HTMLTag)
+       fun extract(mdoc: MDoc, tc: HTMLTag)
        do
                blocks.clear
                failures.clear
 
-               self.ndoc = ndoc
+               self.mdoc = mdoc
 
-               work(ndoc.to_mdoc)
+               # Populate `blocks` from the markdown decorator
+               mdproc.process(mdoc.content.join("\n"))
 
                toolcontext.check_errors
 
@@ -98,15 +76,15 @@ class NitUnitExecutor
                                var ne = new HTMLTag("failure")
                                ne.attr("message", msg)
                                tc.add ne
+                               toolcontext.modelbuilder.unit_entities += 1
                                toolcontext.modelbuilder.failed_entities += 1
                        end
                        if blocks.is_empty then testsuite.add(tc)
                end
 
                if blocks.is_empty then return
-
                for block in blocks do
-                       docunits.add new DocUnit(ndoc, tc, block.join(""))
+                       docunits.add new DocUnit(mdoc, tc, block.write_to_string)
                end
        end
 
@@ -197,7 +175,7 @@ class NitUnitExecutor
                                var ne = new HTMLTag("error")
                                ne.attr("message", msg)
                                tc.add ne
-                               toolcontext.warning(du.ndoc.location, "error", "ERROR: {tc.attrs["classname"]}.{tc.attrs["name"]} (in {file}): {msg}")
+                               toolcontext.warning(du.mdoc.location, "error", "ERROR: {tc.attrs["classname"]}.{tc.attrs["name"]} (in {file}): {msg}")
                                toolcontext.modelbuilder.failed_entities += 1
                        end
                        toolcontext.check_errors
@@ -248,13 +226,13 @@ class NitUnitExecutor
                        var ne = new HTMLTag("failure")
                        ne.attr("message", msg)
                        tc.add ne
-                       toolcontext.warning(du.ndoc.location, "failure", "FAILURE: {tc.attrs["classname"]}.{tc.attrs["name"]} (in {file}): {msg}")
+                       toolcontext.warning(du.mdoc.location, "failure", "FAILURE: {tc.attrs["classname"]}.{tc.attrs["name"]} (in {file}): {msg}")
                        toolcontext.modelbuilder.failed_entities += 1
                else if res2 != 0 then
                        var ne = new HTMLTag("error")
                        ne.attr("message", msg)
                        tc.add ne
-                       toolcontext.warning(du.ndoc.location, "error", "ERROR: {tc.attrs["classname"]}.{tc.attrs["name"]} (in {file}): {msg}")
+                       toolcontext.warning(du.mdoc.location, "error", "ERROR: {tc.attrs["classname"]}.{tc.attrs["name"]} (in {file}): {msg}")
                        toolcontext.modelbuilder.failed_entities += 1
                end
                toolcontext.check_errors
@@ -291,21 +269,80 @@ class NitUnitExecutor
        private fun compile_unitfile(file: String): Int
        do
                var nit_dir = toolcontext.nit_dir
-               var nitg = nit_dir/"bin/nitg"
-               if not nitg.file_exists then
-                       toolcontext.error(null, "Cannot find nitg. Set envvar NIT_DIR.")
+               var nitc = nit_dir/"bin/nitc"
+               if not nitc.file_exists then
+                       toolcontext.error(null, "Error: cannot find nitc. Set envvar NIT_DIR.")
                        toolcontext.check_errors
                end
                var opts = new Array[String]
                if mmodule != null then
                        opts.add "-I {mmodule.location.file.filename.dirname}"
                end
-               var cmd = "{nitg} --ignore-visibility --no-color '{file}' {opts.join(" ")} >'{file}.out1' 2>&1 </dev/null -o '{file}.bin'"
+               var cmd = "{nitc} --ignore-visibility --no-color '{file}' {opts.join(" ")} >'{file}.out1' 2>&1 </dev/null -o '{file}.bin'"
                var res = sys.system(cmd)
                return res
        end
 end
 
+private class NitunitDecorator
+       super HTMLDecorator
+
+       var executor: NitUnitExecutor
+
+       redef fun add_code(v, block) do
+               var code = code_from_block(block)
+               var meta = "nit"
+               if block isa BlockFence and block.meta != null then
+                       meta = block.meta.to_s
+               end
+               # Do not try to test non-nit code.
+               if meta != "nit" then return
+               # Try to parse code blocks
+               var ast = executor.toolcontext.parse_something(code)
+
+               # Skip pure comments
+               if ast isa TComment then return
+
+               # We want executable code
+               if not (ast isa AModule or ast isa ABlockExpr or ast isa AExpr) then
+                       var message = ""
+                       if ast isa AError then message = " At {ast.location}: {ast.message}."
+                       executor.toolcontext.warning(executor.mdoc.location, "invalid-block", "Error: there is a block of invalid Nit code, thus not considered a nitunit. To suppress this warning, enclose the block with a fence tagged `nitish` or `raw` (see `man nitdoc`).{message}")
+                       executor.failures.add("{executor.mdoc.location}: Invalid block of code.{message}")
+                       return
+               end
+
+               # Create a first block
+               # Or create a new block for modules that are more than a main part
+               if executor.blocks.is_empty or ast isa AModule then
+                       executor.blocks.add(new Buffer)
+               end
+
+               # Add it to the file
+               executor.blocks.last.append code
+       end
+
+       # Extracts code as String from a `BlockCode`.
+       fun code_from_block(block: BlockCode): String do
+               var infence = block isa BlockFence
+               var text = new FlatBuffer
+               var line = block.block.first_line
+               while line != null do
+                       if not line.is_empty then
+                               var str = line.value
+                               if not infence and str.has_prefix("    ") then
+                                       text.append str.substring(4, str.length - line.trailing)
+                               else
+                                       text.append str
+                               end
+                       end
+                       text.append "\n"
+                       line = line.next
+               end
+               return text.write_to_string
+       end
+end
+
 # A unit-test to run
 class DocUnit
        # The doc that contains self
@@ -344,10 +381,10 @@ redef class ModelBuilder
                # usualy, only the original module must be imported in the unit test.
                var o = mmodule
                var g = o.mgroup
-               if g != null and g.mproject.name == "standard" then
-                       # except for a unit test in a module of standard
-                       # in this case, the whole standard must be imported
-                       o = get_mmodule_by_name(nmodule, g, g.mproject.name).as(not null)
+               if g != null and g.mpackage.name == "core" then
+                       # except for a unit test in a module of `core`
+                       # in this case, the whole `core` must be imported
+                       o = get_mmodule_by_name(nmodule, g, g.mpackage.name).as(not null)
                end
 
                ts.attr("package", mmodule.full_name)
@@ -369,7 +406,7 @@ redef class ModelBuilder
                        # NOTE: jenkins expects a '.' in the classname attr
                        tc.attr("classname", "nitunit." + mmodule.full_name + ".<module>")
                        tc.attr("name", "<module>")
-                       d2m.extract(ndoc, tc)
+                       d2m.extract(ndoc.to_mdoc, tc)
                end label x
                for nclassdef in nmodule.n_classdefs do
                        var mclassdef = nclassdef.mclassdef
@@ -382,7 +419,7 @@ redef class ModelBuilder
                                        tc = new HTMLTag("testcase")
                                        tc.attr("classname", "nitunit." + mmodule.full_name + "." + mclassdef.mclass.full_name)
                                        tc.attr("name", "<class>")
-                                       d2m.extract(ndoc, tc)
+                                       d2m.extract(ndoc.to_mdoc, tc)
                                end
                        end
                        for npropdef in nclassdef.n_propdefs do
@@ -395,7 +432,7 @@ redef class ModelBuilder
                                        tc = new HTMLTag("testcase")
                                        tc.attr("classname", "nitunit." + mmodule.full_name + "." + mclassdef.mclass.full_name)
                                        tc.attr("name", mpropdef.mproperty.full_name)
-                                       d2m.extract(ndoc, tc)
+                                       d2m.extract(ndoc.to_mdoc, tc)
                                end
                        end
                end
@@ -404,4 +441,67 @@ redef class ModelBuilder
 
                return ts
        end
+
+       # Extracts and executes all the docunits in the readme of the `mgroup`
+       # Returns a JUnit-compatible `<testsuite>` XML element that contains the results of the executions.
+       fun test_group(mgroup: MGroup): HTMLTag
+       do
+               var ts = new HTMLTag("testsuite")
+               toolcontext.info("nitunit: doc-unit group {mgroup}", 2)
+
+               # usually, only the default module must be imported in the unit test.
+               var o = mgroup.default_mmodule
+
+               ts.attr("package", mgroup.full_name)
+
+               var prefix = toolcontext.test_dir
+               prefix = prefix.join_path(mgroup.to_s)
+               var d2m = new NitUnitExecutor(toolcontext, prefix, o, ts)
+
+               var tc
+
+               total_entities += 1
+               var mdoc = mgroup.mdoc
+               if mdoc == null then return ts
+
+               doc_entities += 1
+               tc = new HTMLTag("testcase")
+               # NOTE: jenkins expects a '.' in the classname attr
+               tc.attr("classname", "nitunit." + mgroup.full_name)
+               tc.attr("name", "<group>")
+               d2m.extract(mdoc, tc)
+
+               d2m.run_tests
+
+               return ts
+       end
+
+       # Test a document object unrelated to a Nit entity
+       fun test_mdoc(mdoc: MDoc): HTMLTag
+       do
+               var ts = new HTMLTag("testsuite")
+               var file = mdoc.location.to_s
+
+               toolcontext.info("nitunit: doc-unit file {file}", 2)
+
+               ts.attr("package", file)
+
+               var prefix = toolcontext.test_dir / "file"
+               var d2m = new NitUnitExecutor(toolcontext, prefix, null, ts)
+
+               var tc
+
+               total_entities += 1
+               doc_entities += 1
+
+               tc = new HTMLTag("testcase")
+               # NOTE: jenkins expects a '.' in the classname attr
+               tc.attr("classname", "nitunit.<file>")
+               tc.attr("name", file)
+
+               d2m.extract(mdoc, tc)
+               d2m.run_tests
+
+               return ts
+       end
 end