lib/bios/menus.robot: support for scrolling if boot menu list is > 11

Signed-off-by: Maciej Pijanowski <[email protected]>

Author: macpijan

lib/bios/menus.robot

@@ -28,6 +28,37 @@ Get Boot Menu Construction
     #    ENTER to select boot device
     #    ESC to exit
     ${construction}=    Parse Menu Snapshot Into Construction    ${menu}    1    3
+    # The maximum number of entries in boot menu is 11 right now. When we have
+    # more, the list can be scrolled.
+    # TODO: Is there a better way of checking if the list can be scrolled?
+    # The UP/DOWN arrows are not drawn on serial on the first readout of
+    # the menu, it seems.
+    ${no_entries}=    Get Length    ${construction}
+    IF    ${no_entries} == 11
+        # 1. Remember first and last entries (last entry in the first screen)
+        ${first_entry}=    Get From List    ${construction}    0
+
+        # 2. Go down by 10 entries
+        Press Key N Times    10    ${ARROW_DOWN}
+        Sleep    1s
+        Read From Terminal
+        # 3. Keep going down one by one, until we reach the first_entry again
+        FOR    ${iter}    IN RANGE    0    100
+            Press Key N Times    1    ${ARROW_DOWN}
+            ${out}=    Read From Terminal Until Regexp    > .*
+            Log    ${out}
+            ${lines}=    Split To Lines    ${out}
+            ${entry}=    Get From List    ${lines}    -1
+            ${entry}=    Strip String    ${entry}
+            ${entry}=    Strip String    ${entry}    characters=>
+            ${entry}=    Strip String    ${entry}
+            IF    '${entry}' != '${first_entry}'
+                Append To List    ${construction}    ${entry}
+            ELSE
+                BREAK
+            END
+        END
+    END
     RETURN    ${construction}
 
 Enter Boot Menu Tianocore And Return Construction

self-tests/scrolling-boot-manager.robot

@@ -0,0 +1,39 @@
+*** Settings ***
+Documentation       This suite verifies the correct operation of keywords
+...                 reading out the boot manager when populated with multiple
+...                 entries and must be scroleld through
+
+Library             Collections
+Library             OperatingSystem
+Library             Process
+Library             String
+Library             Telnet    timeout=30 seconds    connection_timeout=120 seconds
+Library             SSHLibrary    timeout=90 seconds
+Library             RequestsLibrary
+# TODO: maybe have a single file to include if we need to include the same
+# stuff in all test cases
+Resource            ../sonoff-rest-api/sonoff-api.robot
+Resource            ../rtectrl-rest-api/rtectrl.robot
+Resource            ../variables.robot
+Resource            ../keywords.robot
+Resource            ../keys.robot
+Resource            ../pikvm-rest-api/pikvm_comm.robot
+
+# TODO:
+# - document which setup/teardown keywords to use and what are they doing
+# - go threough them and make sure they are doing what the name suggest (not
+# exactly the case right now)
+Suite Setup         Run Keyword
+...                     Prepare Test Suite
+Suite Teardown      Run Keyword
+...                     Log Out And Close Connection
+
+
+*** Test Cases ***
+Enter Boot Menu Tianocore
+    [Documentation]    Test Enter Boot Menu kwd
+    Prepare EFI Partition With System Files
+    Power On
+    ${boot_menu}=    Enter Boot Menu Tianocore And Return Construction
+    ${no_entries}=    Get Length    ${boot_menu}
+    Should Be True    ${no_entries} > 11