api: Add go files

I know this is a huge commit, but I can't be bothered to check
this in part by part.

api/comment_list_test.go

@@ -0,0 +1,154 @@
+package main
+
+import (
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestCommentListBasics(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	commenterHex, _ := commenterNew("test@example.com", "Test", "undefined", "http://example.com/photo.jpg", "google")
+
+	commentNew(commenterHex, "example.com", "/path.html", "root", "**foo**", "approved", time.Now().UTC())
+	commentNew(commenterHex, "example.com", "/path.html", "root", "**bar**", "approved", time.Now().UTC())
+
+	c, _, err := commentList("temp-commenter-hex", "example.com", "/path.html", false)
+	if err != nil {
+		t.Errorf("unexpected error listing page comments: %v", err)
+		return
+	}
+
+	if len(c) != 2 {
+		t.Errorf("expected 2 comments got %d comments", len(c))
+		return
+	}
+
+	if c[0].VoteDirection != 0 {
+		t.Errorf("expected c.VoteDirection = 0 got c.VoteDirection = %d", c[0].VoteDirection)
+		return
+	}
+
+	c1Html := strings.TrimSpace(c[1].Html)
+	if c1Html != "<p><strong>bar</strong></p>" {
+		t.Errorf("expected c[1].Html=[<p><strong>bar</strong></p>] got c[1].Html=[%s]", c1Html)
+		return
+	}
+
+	c, _, err = commentList(commenterHex, "example.com", "/path.html", false)
+	if err != nil {
+		t.Errorf("unexpected error listing page comments: %v", err)
+		return
+	}
+
+	if len(c) != 2 {
+		t.Errorf("expected 2 comments got %d comments", len(c))
+		return
+	}
+
+	if c[0].VoteDirection != 1 {
+		t.Errorf("expected c.VoteDirection = 1 got c.VoteDirection = %d", c[0].VoteDirection)
+		return
+	}
+}
+
+func TestCommentListEmpty(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	if _, _, err := commentList("temp-commenter-hex", "", "/path.html", false); err == nil {
+		t.Errorf("expected error not found listing comments with empty domain")
+		return
+	}
+}
+
+func TestCommentListSelfUnapproved(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	commenterHex, _ := commenterNew("test@example.com", "Test", "undefined", "http://example.com/photo.jpg", "google")
+
+	commentNew(commenterHex, "example.com", "/path.html", "root", "**foo**", "unapproved", time.Now().UTC())
+
+	c, _, _ := commentList("temp-commenter-hex", "example.com", "/path.html", false)
+
+	if len(c) != 0 {
+		t.Errorf("expected user to not see unapproved comment")
+		return
+	}
+
+	c, _, _ = commentList(commenterHex, "example.com", "/path.html", false)
+
+	if len(c) != 1 {
+		t.Errorf("expected user to see unapproved self comment")
+		return
+	}
+}
+
+func TestCommentListAnonymousUnapproved(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	commentNew("anonymous", "example.com", "/path.html", "root", "**foo**", "unapproved", time.Now().UTC())
+
+	c, _, _ := commentList("anonymous", "example.com", "/path.html", false)
+
+	if len(c) != 0 {
+		t.Errorf("expected user to not see unapproved anonymous comment as anonymous")
+		return
+	}
+}
+
+func TestCommentListIncludeUnapproved(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	commentNew("anonymous", "example.com", "/path.html", "root", "**foo**", "unapproved", time.Now().UTC())
+
+	c, _, _ := commentList("anonymous", "example.com", "/path.html", true)
+
+	if len(c) != 1 {
+		t.Errorf("expected to see unapproved comments because includeUnapproved was true")
+		return
+	}
+}
+
+func TestCommentListDifferentPaths(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	commentNew("anonymous", "example.com", "/path1.html", "root", "**foo**", "unapproved", time.Now().UTC())
+	commentNew("anonymous", "example.com", "/path1.html", "root", "**foo**", "unapproved", time.Now().UTC())
+	commentNew("anonymous", "example.com", "/path2.html", "root", "**foo**", "unapproved", time.Now().UTC())
+
+	c, _, _ := commentList("anonymous", "example.com", "/path1.html", true)
+
+	if len(c) != 2 {
+		t.Errorf("expected len(c) = 2 got len(c) = %d", len(c))
+		return
+	}
+
+	c, _, _ = commentList("anonymous", "example.com", "/path2.html", true)
+
+	if len(c) != 1 {
+		t.Errorf("expected len(c) = 1 got len(c) = %d", len(c))
+		return
+	}
+}
+
+func TestCommentListDifferentDomains(t *testing.T) {
+	failTestOnError(t, setupTestEnv())
+
+	commentNew("anonymous", "example1.com", "/path.html", "root", "**foo**", "unapproved", time.Now().UTC())
+	commentNew("anonymous", "example2.com", "/path.html", "root", "**foo**", "unapproved", time.Now().UTC())
+
+	c, _, _ := commentList("anonymous", "example1.com", "/path.html", true)
+
+	if len(c) != 1 {
+		t.Errorf("expected len(c) = 1 got len(c) = %d", len(c))
+		return
+	}
+
+	c, _, _ = commentList("anonymous", "example2.com", "/path.html", true)
+
+	if len(c) != 1 {
+		t.Errorf("expected len(c) = 1 got len(c) = %d", len(c))
+		return
+	}
+}