summaryrefslogtreecommitdiff
path: root/contrib/cirrus/lib.sh.t
blob: 8f4080dd517156c0ee6139a3e4117deae46ca199 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
#!/bin/bash
#
# Unit tests for some functions in lib.sh
#
source $(dirname $0)/lib.sh

# Iterator and return code; updated in test functions
testnum=0
rc=0

function check_result {
    testnum=$(expr $testnum + 1)
    MSG=$(echo "$1" | tr -d '*>\012'|sed -e 's/^ \+//')
    if [ "$MSG" = "$2" ]; then
        echo "ok $testnum $(echo $3) = $(echo $MSG)"
    else
        echo "not ok $testnum $3"
        echo "#  expected: $2"
        echo "#    actual: $MSG"
        rc=1
    fi
}

###############################################################################
# tests for die()

function test_die() {
    local input_status=$1
    local input_msg=$2
    local expected_status=$3
    local expected_msg=$4

    local msg
    msg=$(die $input_status "$input_msg")
    local status=$?

    check_result "$msg" "$expected_msg" "die $input_status $input_msg"
}

test_die 1 "a message" 1 "a message"
test_die 2 ""          2 "FATAL ERROR (but no message given!) in test_die()"
test_die '' ''         1 "FATAL ERROR (but no message given!) in test_die()"

###############################################################################
# tests for req_env_var()

function test_rev() {
    local input_args=$1
    local expected_status=$2
    local expected_msg=$3

    # bash gotcha: doing 'local msg=...' on one line loses exit status
    local msg
    msg=$(req_env_var $input_args)
    local status=$?

    check_result "$msg"    "$expected_msg"    "req_env_var $input_args"
    check_result "$status" "$expected_status" "req_env_var $input_args (rc)"
}

# error if called with no args
test_rev '' 1 'FATAL: req_env_var: invoked without arguments'

# error if desired envariable is unset
unset FOO BAR
test_rev FOO 9 'FATAL: test_rev() requires $FOO to be non-empty'
test_rev BAR 9 'FATAL: test_rev() requires $BAR to be non-empty'
# OK if desired envariable was unset
FOO=1
test_rev FOO 0 ''

# OK if multiple vars are non-empty
FOO="stuff"
BAR="things"
ENV_VARS="FOO BAR"
test_rev "$ENV_VARS" 0 ''
unset BAR

# ...but error if any single desired one is unset
test_rev "FOO BAR" 9 'FATAL: test_rev() requires $BAR to be non-empty'

# ...and OK if all args are set
BAR=1
test_rev "FOO BAR" 0 ''

###############################################################################
# tests for test_okay()

function test_item_test {
    local exp_msg=$1
    local exp_ret=$2
    local item=$3
    shift 3
    local test_args="$@"
    local msg
    msg=$(item_test "$item" "$@")
    local status=$?

    check_result "$msg"    "$exp_msg" "test_item $item $test_args"
    check_result "$status" "$exp_ret" "test_item $item $test_args (actual rc $status)"
}

# negative tests
test_item_test "FATAL: item_test() requires \$ITEM to be non-empty" 9 "" ""
test_item_test "FATAL: item_test() requires \$TEST_ARGS to be non-empty" 9 "foo" ""
test_item_test "not ok foo: -gt 5 ~= bar: too many arguments" 2 "foo" "-gt" "5" "~=" "bar"
test_item_test "not ok bar: a -ge 10: a: integer expression expected" 2 "bar" "a" "-ge" "10"
test_item_test "not ok basic logic: 0 -ne 0" 1 "basic logic" "0" "-ne" "0"

# positive tests
test_item_test "ok snafu" 0 "snafu" "foo" "!=" "bar"
test_item_test "ok foobar" 0 "foobar" "one two three" "=" "one two three"
test_item_test "ok oh boy" 0 "oh boy" "line 1
line2" "!=" "line 1

line2"
test_item_test "ok okay enough" 0 "okay enough" "line 1
line2" "=" "line 1
line2"

###############################################################################
# tests for is_release()

# N/B: Assuming tests run in their own process, so wiping out the local
# CIRRUS_BASE_SHA CIRRUS_CHANGE_IN_REPO and CIRRUS_TAG will be okay.
function test_is_release() {
    CIRRUS_BASE_SHA="$1"
    CIRRUS_CHANGE_IN_REPO="$2"
    CIRRUS_TAG="$3"
    local exp_status=$4
    local exp_msg=$5
    local msg
    msg=$(is_release)
    local status=$?

    check_result "$msg" "$exp_msg" "is_release(CIRRUS_BASE_SHA='$1' CIRRUS_CHANGE_IN_REPO='$2' CIRRUS_TAG='$3')"
    check_result "$status" "$exp_status" "is_release(...) returned $status"
}

#                FROM    TO    TAG    RET    MSG
test_is_release  ""      ""    ""     "9"     "FATAL: is_release() requires \$CIRRUS_CHANGE_IN_REPO to be non-empty"
test_is_release  "x"     ""    ""     "9"     "FATAL: is_release() requires \$CIRRUS_CHANGE_IN_REPO to be non-empty"

# post-merge / tag-push testing, FROM will be set 'unknown' by (lib.sh default)
test_is_release  "unknown" "x" ""     "1"    ""
# post-merge / tag-push testing, oddball tag is set, FROM will be set 'unknown'
test_is_release "unknown"  "unknown" "test-tag" "2"    "Found \$RELVER test-tag"
# post-merge / tag-push testing, sane tag is set, FROM will be set 'unknown'
test_is_release "unknown"  "unknown" "0.0.0" "0"    "Found \$RELVER 0.0.0"
# hack/get_ci_vm or PR testing, FROM and TO are set, no tag is set
test_is_release  "x"     "x"   ""     "1"    ""

# Negative-testing git with this function is very difficult, assume git works
# test_is_release ... "is_release() failed to fetch tags"
# test_is_release ... "is_release() failed to parse tags"

BF_V1=$(git rev-parse v1.0.0^)
AT_V1=$(git rev-parse v1.0.0)
test_is_release  "$BF_V1" "$BF_V1" "v9.8.7-dev" "2"     "Found \$RELVER v9.8.7-dev"
test_is_release  "$BF_V1" "$AT_V1" "v9.8.7-dev" "2"     "Found \$RELVER v9.8.7-dev"
test_is_release  "$BF_V1" "$AT_V1" ""           "0"     "Found \$RELVER v1.0.0"

exit $rc