From 3bce19d12d93f1b27e7d2f2acbef0926417d5390 Mon Sep 17 00:00:00 2001
From: Wolfgang Müller
Date: Wed, 10 Mar 2021 17:09:13 +0100
Subject: Add a first draft of the test suite

The introduction of a test suite makes future changes easier to
troubleshoot and verify. Whilst this is only a first draft, it should be
stable enough to be used in normal development and should cover the
entirety of bosun's functionality.
---
 test.sh              | 36 ++++++++++++++++++++++
 test/01-add.test     | 31 +++++++++++++++++++
 test/02-list.test    | 39 ++++++++++++++++++++++++
 test/03-flush.test   | 14 +++++++++
 test/04-rebuild.test | 21 +++++++++++++
 test/05-remove.test  | 29 ++++++++++++++++++
 test/06-default.test | 25 ++++++++++++++++
 test/lib.sh          | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 test/setup.sh        | 16 ++++++++++
 9 files changed, 295 insertions(+)
 create mode 100644 test.sh
 create mode 100644 test/01-add.test
 create mode 100644 test/02-list.test
 create mode 100644 test/03-flush.test
 create mode 100644 test/04-rebuild.test
 create mode 100644 test/05-remove.test
 create mode 100644 test/06-default.test
 create mode 100644 test/lib.sh
 create mode 100644 test/setup.sh

diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..f59412c
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+TMPDIR=${TMPDIR:-/tmp}
+MOCK_ROOT=$TMPDIR/bosun-test
+
+TESTDIR=$PWD/test
+BOSUN_CMD=$PWD/bosun
+
+run_test() {
+	TARGET_DIR=$MOCK_ROOT/$1/mock
+	BOSUN_DIR=$TARGET_DIR/stow
+
+	rm -rf "$TARGET_DIR"
+
+	. test/setup.sh || exit 1
+
+	(
+		cd "$TARGET_DIR/.." || exit 1
+		env -i \
+			PATH="/usr/bin:/bin" \
+			BOSUN_CMD="$BOSUN_CMD" \
+			BOSUN_DIR="$BOSUN_DIR" \
+			sh -c ". $TESTDIR/lib.sh; . $TESTDIR/$1.test"
+	)
+	TESTS_FAILED=$((TESTS_FAILED + $?))
+}
+
+run_test 01-add
+run_test 02-list
+run_test 03-flush
+run_test 04-rebuild
+run_test 05-remove
+run_test 06-default
+
+test $TESTS_FAILED -gt 0 && exit 1
+exit 0
diff --git a/test/01-add.test b/test/01-add.test
new file mode 100644
index 0000000..b4d223f
--- /dev/null
+++ b/test/01-add.test
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+header "bosun add"
+
+assert success "add host-baz" "$BOSUN_CMD" add host-baz
+
+want <<EOF
+./make.conf -> stow/host-baz/make.conf
+./package.accept_keywords -> stow/service-bar/package.accept_keywords
+./package.use/20-service-bar -> ../stow/service-bar/package.use/20-service-bar
+./package.use/30-app-foo -> ../stow/app-foo/package.use/30-app-foo
+EOF
+
+have_links
+assert_output_matches "adds role 'host-baz'"
+
+want <<EOF
+bosun: this command requires at least one role
+EOF
+
+assert failure "add" "$BOSUN_CMD" add
+assert_output_matches "prints error message"
+
+want <<EOF
+bosun: no such role 'role-missing' in $BOSUN_DIR
+EOF
+
+assert failure "add role-missing" "$BOSUN_CMD" add role-missing
+assert_output_matches "prints error message"
+
+end
diff --git a/test/02-list.test b/test/02-list.test
new file mode 100644
index 0000000..075632e
--- /dev/null
+++ b/test/02-list.test
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+header "bosun list"
+
+want <<EOF
+app-foo
+service-bar
+EOF
+
+assert success "list active" "$BOSUN_CMD" list active
+assert_output_matches "lists active roles"
+
+assert success "list" "$BOSUN_CMD" list
+assert_output_matches "lists active roles"
+
+want <<EOF
+app-foo
+host-baz
+service-bar
+EOF
+
+assert success "list all" "$BOSUN_CMD" list all
+assert_output_matches "lists all roles"
+
+want <<EOF
+host-baz
+EOF
+
+assert success "list available" "$BOSUN_CMD" list available
+assert_output_matches "lists available roles"
+
+want <<EOF
+bosun: no such list type 'foo'. Try: active, all, available
+EOF
+
+assert failure "list foo" "$BOSUN_CMD" list foo
+assert_output_matches "prints error message"
+
+end
diff --git a/test/03-flush.test b/test/03-flush.test
new file mode 100644
index 0000000..435f534
--- /dev/null
+++ b/test/03-flush.test
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+header "bosun flush"
+
+assert success "flush" "$BOSUN_CMD" flush
+
+want <<EOF
+d .
+EOF
+
+have_dir
+assert_output_matches "no roles remaining"
+
+end
diff --git a/test/04-rebuild.test b/test/04-rebuild.test
new file mode 100644
index 0000000..503afc4
--- /dev/null
+++ b/test/04-rebuild.test
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+header "bosun rebuild"
+
+mkdir "$BOSUN_DIR/app-foo/package.accept_keywords" || exit 1
+touch "$BOSUN_DIR/app-foo/package.accept_keywords/30-app-foo" || exit 1
+
+assert success "rebuild app-foo" "$BOSUN_CMD" rebuild app-foo
+
+want <<EOF
+./package.accept_keywords/20-service-bar -> ../stow/service-bar/package.accept_keywords/20-service-bar
+./package.accept_keywords/30-app-foo -> ../stow/app-foo/package.accept_keywords/30-app-foo
+./package.use/20-service-bar -> ../stow/service-bar/package.use/20-service-bar
+./package.use/30-app-foo -> ../stow/app-foo/package.use/30-app-foo
+EOF
+
+have_links
+
+assert_output_matches "rebuilds role"
+
+end
diff --git a/test/05-remove.test b/test/05-remove.test
new file mode 100644
index 0000000..1fa7d35
--- /dev/null
+++ b/test/05-remove.test
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+header "bosun remove"
+
+assert success "remove app-foo" "$BOSUN_CMD" remove app-foo
+
+want <<EOF
+./package.accept_keywords -> stow/service-bar/package.accept_keywords
+./package.use -> stow/service-bar/package.use
+EOF
+
+have_links
+assert_output_matches "removes role"
+
+want <<EOF
+bosun: this command requires at least one role
+EOF
+
+assert failure "remove" "$BOSUN_CMD" remove
+assert_output_matches "prints error message"
+
+want <<EOF
+bosun: no such role 'role-missing' in $BOSUN_DIR
+EOF
+
+assert failure "remove role-missing" "$BOSUN_CMD" remove role-missing
+assert_output_matches "prints error message"
+
+end
diff --git a/test/06-default.test b/test/06-default.test
new file mode 100644
index 0000000..d40062e
--- /dev/null
+++ b/test/06-default.test
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+header "bosun"
+
+want <<EOF
+app-foo
+service-bar
+EOF
+
+assert success "bosun" "$BOSUN_CMD"
+assert_output_matches "lists active roles"
+
+want <<EOF
+bosun: no such command 'missing-command'
+usage: bosun add role ...
+       bosun flush
+       bosun [list [type ...]]
+       bosun rebuild [role ...]
+       bosun remove [role ...]
+EOF
+
+assert failure "missing-command" "$BOSUN_CMD" missing-command
+assert_output_matches "prints error message and usage"
+
+end
diff --git a/test/lib.sh b/test/lib.sh
new file mode 100644
index 0000000..733613c
--- /dev/null
+++ b/test/lib.sh
@@ -0,0 +1,84 @@
+#!/bin/sh
+
+TESTS_FAILED=0
+
+ok() {
+	if ! test -t 1; then
+		printf 'ok - %s\n' "$*"
+	else
+		printf '\e[32mok\e[0m - %s\n' "$*"
+	fi
+}
+
+nok() {
+	TESTS_FAILED=$((TESTS_FAILED + 1))
+	if ! test -t 1; then
+		printf 'not ok - %s\n' "$*" >&2
+	else
+		printf '\e[31mnot ok\e[0m - %s\n' "$*" >&2
+	fi
+}
+
+header() {
+	printf '# %s\n' "$*"
+}
+
+info() {
+	printf '\n'
+	eval "$@"
+	printf '\n'
+}
+
+want() {
+	cat > want
+}
+
+assert_output_matches() {
+	msg=$1
+	if cmp have want >/dev/null 2>&1; then
+		ok "$msg"
+		return 0
+	else
+		nok "$msg"
+		info diff -u have want >&2
+		return 1
+	fi
+}
+
+assert() {
+	if test "$1" = "success"; then
+		assert_return=0
+	elif test "$1" = "failure"; then
+		assert_return=1
+	else
+		assert_return=$1
+	fi
+	shift
+
+	msg=$1
+	shift
+
+	eval "$@" > have 2>&1
+
+	if test "$?" -eq "$assert_return"; then
+		ok "$msg"
+		return 0
+	else
+		nok "$msg"
+		info cat have >&2
+		return 1
+	fi
+}
+
+end() {
+	test $TESTS_FAILED -gt 0 && exit $TESTS_FAILED
+	exit 0
+}
+
+have_dir() {
+	(cd "$BOSUN_DIR/.." && find . -printf '%y %p\n' | sed '/^..\.\/stow/d' | sort) > have
+}
+
+have_links() {
+	(cd "$BOSUN_DIR/.." && find . -type l -printf '%p -> %l\n' | sort) > have
+}
diff --git a/test/setup.sh b/test/setup.sh
new file mode 100644
index 0000000..636c7d6
--- /dev/null
+++ b/test/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+mkdir -p "$BOSUN_DIR/app-foo/package.use"
+mkdir -p "$BOSUN_DIR/service-bar/package.use"
+mkdir -p "$BOSUN_DIR/service-bar/package.accept_keywords"
+mkdir -p "$BOSUN_DIR/host-baz"
+
+touch "$BOSUN_DIR/app-foo/package.use/30-app-foo"
+touch "$BOSUN_DIR/service-bar/package.use/20-service-bar"
+touch "$BOSUN_DIR/service-bar/package.accept_keywords/20-service-bar"
+touch "$BOSUN_DIR/host-baz/make.conf"
+
+mkdir -p "$BOSUN_DIR/../package.use"
+ln -s ../stow/app-foo/package.use/30-app-foo "$BOSUN_DIR/../package.use/30-app-foo" 
+ln -s ../stow/service-bar/package.use/20-service-bar "$BOSUN_DIR/../package.use/20-service-bar" 
+ln -s stow/service-bar/package.accept_keywords "$BOSUN_DIR/../package.accept_keywords" 
-- 
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