Completed gemtext package.

resolves #2

- fuzz testing
- split out line parsing into a separate file
- changed line type-specific public []byte fields to string accessor methods
- added document parsing test for a stress test doc
- added dependency on stretchr/testify

1 files changed, 104 insertions, 0 deletions

diff --git a/gemtext/parse_test.go b/gemtext/parse_test.go
new file mode 100644
index 0000000..bda5310
--- /dev/null
+++ b/gemtext/parse_test.go
@@ -0,0 +1,104 @@
+package gemtext_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"tildegit.org/tjp/gus/gemtext"
+)
+
+func TestParse(t *testing.T) {
+	docBytes := []byte(`
+# top-level header line
+
+## subtitle
+
+This is some non-blank regular text.
+
+* an
+* unordered
+* list
+
+=> gemini://google.com/ as if
+
+> this is a quote
+> -tjp
+
+`[1:] + "```pre-formatted code\ndoc := gemtext.Parse(req.Body)\n```ignored closing alt-text\n")
+
+	assertEmptyLine := func(t *testing.T, line gemtext.Line) {
+		assert.Equal(t, gemtext.LineTypeText, line.Type())
+		assert.Equal(t, "\n", string(line.Raw()))
+	}
+
+	doc, err := gemtext.Parse(bytes.NewBuffer(docBytes))
+	require.Nil(t, err)
+
+	require.Equal(t, 18, len(doc))
+
+	assert.Equal(t, gemtext.LineTypeHeading1, doc[0].Type())
+	assert.Equal(t, "# top-level header line\n", string(doc[0].Raw()))
+	assert.Equal(t, "top-level header line", doc[0].(gemtext.HeadingLine).Body())
+
+	assertEmptyLine(t, doc[1])
+
+	assert.Equal(t, gemtext.LineTypeHeading2, doc[2].Type())
+	assert.Equal(t, "## subtitle\n", string(doc[2].Raw()))
+	assert.Equal(t, "subtitle", doc[2].(gemtext.HeadingLine).Body())
+
+	assertEmptyLine(t, doc[3])
+
+	assert.Equal(t, gemtext.LineTypeText, doc[4].Type())
+	assert.Equal(t, "This is some non-blank regular text.\n", string(doc[4].Raw()))
+
+	assertEmptyLine(t, doc[5])
+
+	assert.Equal(t, gemtext.LineTypeListItem, doc[6].Type())
+	assert.Equal(t, "an", doc[6].(gemtext.ListItemLine).Body())
+
+	assert.Equal(t, gemtext.LineTypeListItem, doc[7].Type())
+	assert.Equal(t, "unordered", doc[7].(gemtext.ListItemLine).Body())
+
+	assert.Equal(t, gemtext.LineTypeListItem, doc[8].Type())
+	assert.Equal(t, "list", doc[8].(gemtext.ListItemLine).Body())
+
+	assertEmptyLine(t, doc[9])
+
+	assert.Equal(t, gemtext.LineTypeLink, doc[10].Type())
+	assert.Equal(t, "=> gemini://google.com/ as if\n", string(doc[10].Raw()))
+	assert.Equal(t, "gemini://google.com/", doc[10].(gemtext.LinkLine).URL())
+	assert.Equal(t, "as if", doc[10].(gemtext.LinkLine).Label())
+
+	assertEmptyLine(t, doc[11])
+
+	assert.Equal(t, gemtext.LineTypeQuote, doc[12].Type())
+	assert.Equal(t, "> this is a quote\n", string(doc[12].Raw()))
+	assert.Equal(t, " this is a quote", doc[12].(gemtext.QuoteLine).Body())
+
+	assert.Equal(t, gemtext.LineTypeQuote, doc[13].Type())
+	assert.Equal(t, "> -tjp\n", string(doc[13].Raw()))
+	assert.Equal(t, " -tjp", doc[13].(gemtext.QuoteLine).Body())
+
+	assertEmptyLine(t, doc[14])
+
+	assert.Equal(t, gemtext.LineTypePreformatToggle, doc[15].Type())
+	assert.Equal(t, "```pre-formatted code\n", string(doc[15].Raw()))
+	assert.Equal(t, "pre-formatted code", doc[15].(gemtext.PreformatToggleLine).AltText())
+
+	assert.Equal(t, gemtext.LineTypePreformattedText, doc[16].Type())
+	assert.Equal(t, "doc := gemtext.Parse(req.Body)\n", string(doc[16].Raw()))
+
+	assert.Equal(t, gemtext.LineTypePreformatToggle, doc[17].Type())
+	assert.Equal(t, "```ignored closing alt-text\n", string(doc[17].Raw()))
+	assert.Equal(t, "", doc[17].(gemtext.PreformatToggleLine).AltText())
+
+	// ensure we can rebuild the original doc from all the line.Raw()s
+	buf := &bytes.Buffer{}
+	for _, line := range doc {
+		_, _ = buf.Write(line.Raw())
+	}
+	assert.Equal(t, string(docBytes), buf.String())
+}