Add tests for ANSIRenderer

ansi/renderer_test.go

@@ -0,0 +1,92 @@
+package ansi
+
+import (
+	"bytes"
+	"encoding/json"
+	"io/ioutil"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/yuin/goldmark"
+	"github.com/yuin/goldmark/extension"
+	"github.com/yuin/goldmark/parser"
+	"github.com/yuin/goldmark/renderer"
+	"github.com/yuin/goldmark/util"
+)
+
+const (
+	examplesDir = "../styles/examples/"
+	generate    = false
+)
+
+func TestRenderer(t *testing.T) {
+	files, err := filepath.Glob(examplesDir + "*.md")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, f := range files {
+		bn := strings.TrimSuffix(filepath.Base(f), ".md")
+		sn := filepath.Join(examplesDir, bn+".style")
+		tn := filepath.Join(examplesDir, bn+".test")
+
+		in, err := ioutil.ReadFile(f)
+		if err != nil {
+			t.Fatal(err)
+		}
+		b, err := ioutil.ReadFile(sn)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		options := Options{
+			WordWrap: 80,
+		}
+		err = json.Unmarshal(b, &options.Styles)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		md := goldmark.New(
+			goldmark.WithExtensions(
+				extension.GFM,
+				extension.DefinitionList,
+			),
+			goldmark.WithParserOptions(
+				parser.WithAutoHeadingID(),
+			),
+		)
+
+		ar := NewRenderer(options)
+		md.SetRenderer(
+			renderer.NewRenderer(
+				renderer.WithNodeRenderers(util.Prioritized(ar, 1000))))
+
+		var buf bytes.Buffer
+		err = md.Convert(in, &buf)
+		if err != nil {
+			t.Error(err)
+		}
+
+		// generate
+		if generate {
+			err = ioutil.WriteFile(tn, buf.Bytes(), 0644)
+			if err != nil {
+				t.Fatal(err)
+			}
+			continue
+		}
+
+		// verify
+		td, err := ioutil.ReadFile(tn)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !bytes.Equal(td, buf.Bytes()) {
+			t.Errorf("Rendered output for %s doesn't match!\nExpected: `\n%s`\nGot: `\n%s`\n",
+				bn, string(td), buf.String())
+		}
+	}
+}

styles/examples/block_quote.test

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+                                                                                
+First line of quote                                                             
+Second line                                                                     

styles/examples/code.test

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+                                                                                
+This is a code.                                                                 

styles/examples/code_block.test

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+                                                                                
+This is a code block.                                                           

styles/examples/emph.test

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+                                                                                
+This text is emphasized.                                                        

styles/examples/enumeration.test

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+                                                                                
+1. First Item                                                                   
+2. Second Item                                                                  

styles/examples/heading.test

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+  => h1 <=                                                                      
+    ## h2                                                                       
+      ### h3

styles/examples/hr.test

@@ -0,0 +1 @@
+---

styles/examples/image.test

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+                                                                                
+Image [Image: https://charm.sh/logo.png].                                       

styles/examples/link.test

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+                                                                                
+This is a link (https://charm.sh).                                              

styles/examples/list.test

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+                                                                                
+• First Item                                                                    
+    • Nested List Item                                                          
+• Second Item                                                                   

styles/examples/strong.test

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+                                                                                
+This text is strong.                                                            

styles/examples/table.test

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+                                                                                
+    +--------+-------+                                                          
+    | LABEL  | VALUE |                                                          
+    +--------+-------+                                                          
+    | First  | foo   |                                                          
+    | Second | bar   |                                                          
+    +--------+-------+                                                          

styles/examples/task.test

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+                                                                                
+✓ Finished Task                                                                 
+✗ Outstanding Task