From cd07e6d57b158a76f812e8c4c9567dbc84f57939 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Thu, 21 Nov 2019 19:45:03 +0100
Subject: [PATCH] Fix GetPage Params case issue

Fixes #5946
---
 hugolib/case_insensitive_test.go              |  5 +++
 hugolib/testhelpers_test.go                   |  2 +-
 tpl/tplimpl/template_ast_transformers.go      |  3 +-
 tpl/tplimpl/template_ast_transformers_test.go | 44 +++++++++++++++++--
 4 files changed, 48 insertions(+), 6 deletions(-)

diff --git a/hugolib/case_insensitive_test.go b/hugolib/case_insensitive_test.go
index bffffb6be..5c7dbe073 100644
--- a/hugolib/case_insensitive_test.go
+++ b/hugolib/case_insensitive_test.go
@@ -179,6 +179,10 @@ Site Title: {{ .Site.Title }}
 Site Lang Mood: {{ .Site.Language.Params.MOoD }}
 Page Colors: {{ .Params.COLOR }}|{{ .Params.Colors.Blue }}
 Site Colors: {{ .Site.Params.COLOR }}|{{ .Site.Params.COLORS.YELLOW }}
+{{ $page2 := .Site.GetPage "/sect2/page2" }}
+{{ if $page2 }}
+Page2: {{ $page2.Params.ColoR }} 
+{{ end }}
 {{ .Content }}
 {{ partial "partial.html" . }}
 `)
@@ -207,6 +211,7 @@ Site Colors: {{ .Site.Params.COLOR }}|{{ .Site.Params.COLORS.YELLOW }}
 		"Page Title: Side 1",
 		"Site Title: Nynorsk title",
 		"&laquo;Hi&raquo;", // angled quotes
+		"Page2: black ",
 	)
 
 	th.assertFileContent(filepath.Join("public", "en", "sect1", "page1", "index.html"),
diff --git a/hugolib/testhelpers_test.go b/hugolib/testhelpers_test.go
index 00f802359..08949a1fd 100644
--- a/hugolib/testhelpers_test.go
+++ b/hugolib/testhelpers_test.go
@@ -743,7 +743,7 @@ func (th testHelper) assertFileContent(filename string, matches ...string) {
 	content := readDestination(th, th.Fs, filename)
 	for _, match := range matches {
 		match = th.replaceDefaultContentLanguageValue(match)
-		th.Assert(strings.Contains(content, match), qt.Equals, true)
+		th.Assert(strings.Contains(content, match), qt.Equals, true, qt.Commentf(content))
 	}
 }
 
diff --git a/tpl/tplimpl/template_ast_transformers.go b/tpl/tplimpl/template_ast_transformers.go
index fb0728a63..d257d7a31 100644
--- a/tpl/tplimpl/template_ast_transformers.go
+++ b/tpl/tplimpl/template_ast_transformers.go
@@ -508,8 +508,7 @@ func (d decl) resolveVariables(idents []string) ([]string, bool) {
 		}
 
 		if !d.isKeyword(replacement) {
-			// This can not be .Site.Params etc.
-			return nil, false
+			continue
 		}
 
 		replacement = strings.TrimPrefix(replacement, ".")
diff --git a/tpl/tplimpl/template_ast_transformers_test.go b/tpl/tplimpl/template_ast_transformers_test.go
index 39b5c460a..682af2772 100644
--- a/tpl/tplimpl/template_ast_transformers_test.go
+++ b/tpl/tplimpl/template_ast_transformers_test.go
@@ -26,6 +26,19 @@ import (
 	qt "github.com/frankban/quicktest"
 )
 
+type paramsHolder struct {
+	params map[string]interface{}
+	page   *paramsHolder
+}
+
+func (p paramsHolder) Params() map[string]interface{} {
+	return p.params
+}
+
+func (p paramsHolder) GetPage(arg string) *paramsHolder {
+	return p.page
+}
+
 var (
 	testFuncs = map[string]interface{}{
 		"getif":  func(v interface{}) interface{} { return v },
@@ -37,16 +50,22 @@ var (
 				"ByWeight": fmt.Sprintf("%v:%v:%v", seq, key, args),
 			}, nil
 		},
-		"site": func() interface{} {
-			return map[string]interface{}{
-				"Params": map[string]interface{}{
+		"site": func() paramsHolder {
+			return paramsHolder{
+				params: map[string]interface{}{
 					"lower": "global-site",
 				},
+				page: &paramsHolder{
+					params: map[string]interface{}{
+						"lower": "page",
+					},
+				},
 			}
 		},
 	}
 
 	paramsData = map[string]interface{}{
+
 		"NotParam": "Hi There",
 		"Slice":    []int{1, 3},
 		"Params": map[string]interface{}{
@@ -81,6 +100,16 @@ var (
 				},
 			},
 		},
+		"Site2": paramsHolder{
+			params: map[string]interface{}{
+				"lower": "global-site",
+			},
+			page: &paramsHolder{
+				params: map[string]interface{}{
+					"lower": "page",
+				},
+			},
+		},
 	}
 
 	paramsTempl = `
@@ -170,6 +199,11 @@ PARAMS SITE GLOBAL1: {{ site.Params.LOwER }}
 {{ $site := site }}
 PARAMS SITE GLOBAL2: {{ $lower }}
 PARAMS SITE GLOBAL3: {{ $site.Params.LOWER }}
+
+{{ $p := $site.GetPage "foo" }}
+PARAMS GETPAGE: {{ $p.Params.LOWER }}
+{{ $p := .Site2.GetPage "foo" }}
+PARAMS GETPAGE2: {{ $p.Params.LOWER }}
 `
 )
 
@@ -248,6 +282,10 @@ func TestParamsKeysToLower(t *testing.T) {
 	c.Assert(result, qt.Contains, "PARAMS SITE GLOBAL2: global-site")
 	c.Assert(result, qt.Contains, "PARAMS SITE GLOBAL3: global-site")
 
+	//
+	c.Assert(result, qt.Contains, "PARAMS GETPAGE: page")
+	c.Assert(result, qt.Contains, "PARAMS GETPAGE2: page")
+
 }
 
 func BenchmarkTemplateParamsKeysToLower(b *testing.B) {