[libgpiod][PATCH v4 15/20] tools: add tests for bias flags

[Kent Gibson <warthog618@xxxxxxxxx>]

Add tests for bias flags to applicable tools - gpioget, gpioset, and
gpiomon.

Signed-off-by: Kent Gibson <warthog618@xxxxxxxxx>
---
 tools/gpio-tools-test      |  2 +-
 tools/gpio-tools-test.bats | 93 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/tools/gpio-tools-test b/tools/gpio-tools-test
index 6b93655..1b9f9a1 100755
--- a/tools/gpio-tools-test
+++ b/tools/gpio-tools-test
@@ -7,7 +7,7 @@
 # Copyright (C) 2019 Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
 #
 
-MIN_KERNEL_VERSION="5.2.7"
+MIN_KERNEL_VERSION="5.5.0"
 BATS_SCRIPT="gpio-tools-test.bats"
 SOURCE_DIR="$(dirname ${BASH_SOURCE[0]})"
 
diff --git a/tools/gpio-tools-test.bats b/tools/gpio-tools-test.bats
index aff54f7..8953f38 100755
--- a/tools/gpio-tools-test.bats
+++ b/tools/gpio-tools-test.bats
@@ -312,6 +312,34 @@ teardown() {
 	test "$output" = "1 1 0 0 1 0 1 0"
 }
 
+@test "gpioget: read all lines (pull-up)" {
+	gpio_mockup_probe 8 8 8
+
+	gpio_mockup_set_pull 1 2 1
+	gpio_mockup_set_pull 1 3 1
+	gpio_mockup_set_pull 1 5 1
+	gpio_mockup_set_pull 1 7 1
+
+	run_tool gpioget --bias=pull-up "$(gpio_mockup_chip_name 1)" 0 1 2 3 4 5 6 7
+
+	test "$status" -eq "0"
+	test "$output" = "1 1 1 1 1 1 1 1"
+}
+
+@test "gpioget: read all lines (pull-down)" {
+	gpio_mockup_probe 8 8 8
+
+	gpio_mockup_set_pull 1 2 1
+	gpio_mockup_set_pull 1 3 1
+	gpio_mockup_set_pull 1 5 1
+	gpio_mockup_set_pull 1 7 1
+
+	run_tool gpioget --bias=pull-down "$(gpio_mockup_chip_name 1)" 0 1 2 3 4 5 6 7
+
+	test "$status" -eq "0"
+	test "$output" = "0 0 0 0 0 0 0 0"
+}
+
 @test "gpioget: read some lines" {
 	gpio_mockup_probe 8 8 8
 
@@ -359,6 +387,15 @@ teardown() {
 	output_regex_match ".*error reading GPIO values.*"
 }
 
+@test "gpioget: invalid bias" {
+	gpio_mockup_probe 8 8 8
+
+	run_tool gpioget --bias=bad "$(gpio_mockup_chip_name 1)" 0 1
+
+	test "$status" -eq "1"
+	output_regex_match ".*invalid bias.*"
+}
+
 #
 # gpioset test cases
 #
@@ -521,6 +558,15 @@ teardown() {
 	output_regex_match ".*invalid offset"
 }
 
+@test "gpioset: invalid bias" {
+	gpio_mockup_probe 8 8 8
+
+	run_tool gpioset --bias=bad "$(gpio_mockup_chip_name 1)" 0=1 1=1
+
+	test "$status" -eq "1"
+	output_regex_match ".*invalid bias.*"
+}
+
 @test "gpioset: daemonize in invalid mode" {
 	gpio_mockup_probe 8 8 8
 
@@ -576,6 +622,44 @@ teardown() {
 "event:\\s+FALLING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[[0-9]+\.[0-9]+\]"
 }
 
+@test "gpiomon: single falling edge event (pull-up)" {
+	gpio_mockup_probe 8 8
+
+	gpio_mockup_set_pull 1 4 0
+
+	coproc_run_tool gpiomon --bias=pull-up "$(gpio_mockup_chip_name 1)" 4
+
+	gpio_mockup_set_pull 1 4 0
+	sleep 0.2
+
+	coproc_tool_kill
+	coproc_tool_wait
+
+	test "$status" -eq "0"
+	output_regex_match \
+"event:\\s+FALLING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[[0-9]+\.[0-9]+\]"
+
+}
+
+@test "gpiomon: single rising edge event (pull-down)" {
+	gpio_mockup_probe 8 8
+
+	gpio_mockup_set_pull 1 4 1
+
+	coproc_run_tool gpiomon --bias=pull-down "$(gpio_mockup_chip_name 1)" 4
+
+	gpio_mockup_set_pull 1 4 1
+	sleep 0.2
+
+	coproc_tool_kill
+	coproc_tool_wait
+
+	test "$status" -eq "0"
+	output_regex_match \
+"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[[0-9]+\.[0-9]+\]"
+
+}
+
 @test "gpiomon: single rising edge event (active-low)" {
 	gpio_mockup_probe 8 8
 
@@ -749,6 +833,15 @@ teardown() {
 	output_regex_match ".*error waiting for events"
 }
 
+@test "gpiomon: invalid bias" {
+	gpio_mockup_probe 8 8 8
+
+	run_tool gpiomon --bias=bad "$(gpio_mockup_chip_name 1)" 0 1
+
+	test "$status" -eq "1"
+	output_regex_match ".*invalid bias.*"
+}
+
 @test "gpiomon: custom format (event type + offset)" {
 	gpio_mockup_probe 8 8 8
 
-- 
2.24.0