1 files changed, 59 insertions, 0 deletions
diff --git a/lib/assert.source.sh b/lib/assert.source.sh
new file mode 100644
index 0000000..d53a728
--- /dev/null
+++ b/lib/assert.source.sh
@@ -0,0 +1,59 @@
+# Unit test for whether 2 given strings equal.
+assert::equals () {
+    local -r result="$1"; shift
+    local -r expected="$1"; shift
+    local -r callee=${FUNCNAME[1]}
+
+    if [[ "$result" != "$expected" ]]; then
+        cat <<ERROR | log::pipe ERROR
+In $callee expected
+    '$expected'
+But got
+    '$result'
+ERROR
+        exit 2
+    fi
+
+    log VERBOSE "Result in $callee as expected: '$expected'"
+}
+
+# Unit test for whether a given string is not empty.
+assert::not_empty () {
+    local -r name="$1"; shift
+    local -r content="$1"; shift
+    local -r callee=${FUNCNAME[1]}
+
+    if [ -z "$content" ]; then
+        log ERROR "In $callee expected '$name' not to be empty!"
+        exit 2
+    fi
+
+    log VERBOSE "Result in $callee as expected not empty"
+}
+
+# Unit test for whether a given string matches a regex.
+assert::matches () {
+    local -r name="$1"; shift
+    local -r content="$1"; shift
+    local -r regex="$1"; shift
+    local -r callee=${FUNCNAME[1]}
+
+    if ! $GREP -q -E "$regex" <<< "$content"; then
+        log ERROR "In $callee expected '$name' to match '$regex'"
+        exit 2
+    fi
+
+    log VERBOSE "Matching in $callee as expected"
+}
+
+# Checks if all the Bash scripts here are good.
+assert::shellcheck () {
+    set -e
+    shellcheck \
+        --norc \
+        --external-sources \
+        --check-sourced \
+        --exclude=SC2155,SC2010,SC2154,SC1090,SC2012 \
+        ./"$0"
+    set +e
+}