grubby/SOURCES/0007-Add-a-bunch-of-tests-for-various-default-kernel-titl.patch

From 1da1f577419e85a4e2d717b73af67b79382ad93e Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Thu, 2 Jul 2015 12:34:30 -0400
Subject: [PATCH 07/55] Add a bunch of tests for various
 --default-{kernel,title,index}.

... and fix some failures where we see them.

Related: rhbz#1184014

(though I can't actually replicate his failure.)

Signed-off-by: Peter Jones <pjones@redhat.com>
---
 grubby.c                        | 52 ++++++++++++++++++++-------------
 test.sh                         | 10 +++++++
 test/results/defaultkernel/g.1  |  1 +
 test/results/defaultkernel/l1.1 |  1 +
 test/results/defaultkernel/z.1  |  1 +
 test/results/defaulttitle/z.1   |  1 +
 6 files changed, 45 insertions(+), 21 deletions(-)
 create mode 100644 test/results/defaultkernel/g.1
 create mode 100644 test/results/defaultkernel/l1.1
 create mode 100644 test/results/defaultkernel/z.1
 create mode 100644 test/results/defaulttitle/z.1

diff --git a/grubby.c b/grubby.c
index 649597ed92b..0bb486967bf 100644
--- a/grubby.c
+++ b/grubby.c
@@ -428,7 +428,7 @@ char *grub2ExtractTitle(struct singleLine * line) {
 
     /* bail out if line does not start with menuentry */
     if (strcmp(line->elements[0].item, "menuentry"))
-      return NULL;
+	return NULL;
 
     i = 1;
     current = line->elements[i].item;
@@ -437,10 +437,12 @@ char *grub2ExtractTitle(struct singleLine * line) {
     /* if second word is quoted, strip the quotes and return single word */
     if (isquote(*current) && isquote(current[current_len - 1])) {
 	char *tmp;
-	
-	tmp = strdup(current);
-	*(tmp + current_len - 1) = '\0';
-	return ++tmp;
+
+	tmp = strdup(current+1);
+	if (!tmp)
+	    return NULL;
+	tmp[strlen(tmp)-1] = '\0';
+	return tmp;
     }
 
     /* if no quotes, return second word verbatim */
@@ -453,11 +455,11 @@ char *grub2ExtractTitle(struct singleLine * line) {
     char * result;
     /* need to ensure that ' does not match " as we search */
     char quote_char = *current;
-    
+
     resultMaxSize = sizeOfSingleLine(line);
     result = malloc(resultMaxSize);
     snprintf(result, resultMaxSize, "%s", ++current);
-    
+
     i++;
     for (; i < line->numElements; ++i) {
 	current = line->elements[i].item;
@@ -4648,27 +4650,35 @@ int main(int argc, const char ** argv) {
 	struct singleLine * line;
 	struct singleEntry * entry;
 
-	if (config->defaultImage == -1) return 0;
+	if (config->defaultImage == -1)
+	    return 0;
 	if (config->defaultImage == DEFAULT_SAVED_GRUB2 &&
 		cfi->defaultIsSaved)
 	    config->defaultImage = 0;
 	entry = findEntryByIndex(config, config->defaultImage);
-	if (!entry) return 0;
+	if (!entry)
+		return 0;
 
 	if (!configureGrub2) {
-	  line = getLineByType(LT_TITLE, entry->lines);
-	  if (!line) return 0;
-	  printf("%s\n", line->elements[1].item);
-
-	} else {
-	  char * title;
-
-	  dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
-	  line = getLineByType(LT_MENUENTRY, entry->lines);
-	  if (!line) return 0;
-	  title = grub2ExtractTitle(line);
-	  if (title)
+	    char *title;
+	    line = getLineByType(LT_TITLE, entry->lines);
+	    if (!line)
+		return 0;
+	    title = extractTitle(config, line);
+	    if (!title)
+		return 0;
 	    printf("%s\n", title);
+	    free(title);
+	} else {
+	    char * title;
+
+	    dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
+	    line = getLineByType(LT_MENUENTRY, entry->lines);
+	    if (!line)
+		return 0;
+	    title = grub2ExtractTitle(line);
+	    if (title)
+		printf("%s\n", title);
 	}
 	return 0;
 
diff --git a/test.sh b/test.sh
index 6379698c6de..96e0087b1e2 100755
--- a/test.sh
+++ b/test.sh
@@ -298,6 +298,9 @@ grubDisplayTest grub.9 defaulttitle/g.9 --default-title
 grubDisplayTest grub.10 defaulttitle/g.10 --default-title
 grubDisplayTest grub.11 defaulttitle/g.11 --default-title
 
+testing="GRUB display default kernel"
+grubDisplayTest grub.1 defaultkernel/g.1 --default-kernel
+
 testing="LILO default directive"
 liloTest lilo.1 default/l1.1 --set-default=/boot/vmlinuz-2.4.18-4
 liloTest lilo.1 default/l1.2 --remove-kernel=/boot/vmlinuz-2.4.18-4smp
@@ -305,10 +308,17 @@ liloTest lilo.1 default/l1.3 --add-kernel /boot/kernel --title label \
     --copy-default
 liloTest lilo.1 default/l1.4 --add-kernel /boot/kernel --title label \
     --copy-default --make-default
+liloDisplayTest lilo.1 defaultkernel/l1.1 --default-kernel
 
 testing="Z/IPL default directive"
 ziplTest zipl.1 default/z1.1 --add-kernel /boot/new-kernel --title test
 ziplTest zipl.1 default/z1.2 --add-kernel /boot/new-kernel --title test --make-default
+testing="Z/IPL display default index"
+ziplDisplayTest zipl.1 defaultindex/0 --default-index
+testing="Z/IPL display default title"
+ziplDisplayTest zipl.1 defaulttitle/z.1 --default-title
+testing="Z/IPL display default kernel"
+ziplDisplayTest zipl.1 defaultkernel/z.1 --default-kernel
 
 testing="GRUB fallback directive"
 grubTest grub.5 fallback/g5.1 --remove-kernel=/boot/vmlinuz-2.4.7-ac3 \
diff --git a/test/results/defaultkernel/g.1 b/test/results/defaultkernel/g.1
new file mode 100644
index 00000000000..2c3ac11ead6
--- /dev/null
+++ b/test/results/defaultkernel/g.1
@@ -0,0 +1 @@
+/boot/vmlinuz-2.4.7-2
diff --git a/test/results/defaultkernel/l1.1 b/test/results/defaultkernel/l1.1
new file mode 100644
index 00000000000..fd22b1be2b9
--- /dev/null
+++ b/test/results/defaultkernel/l1.1
@@ -0,0 +1 @@
+/boot/vmlinuz-2.4.18-4smp
diff --git a/test/results/defaultkernel/z.1 b/test/results/defaultkernel/z.1
new file mode 100644
index 00000000000..2c62e98d4d9
--- /dev/null
+++ b/test/results/defaultkernel/z.1
@@ -0,0 +1 @@
+/boot/vmlinuz-2.4.9-37
diff --git a/test/results/defaulttitle/z.1 b/test/results/defaulttitle/z.1
new file mode 100644
index 00000000000..a08e1f35eb7
--- /dev/null
+++ b/test/results/defaulttitle/z.1
@@ -0,0 +1 @@
+linux
-- 
2.17.1