Lots of test cleanup.

test/strategies/match_prev_cmd_test.zsh

@@ -0,0 +1,132 @@
+#!/usr/bin/env zsh
+
+source "${0:a:h}/../test_helper.zsh"
+
+oneTimeSetUp() {
+	source_autosuggestions
+
+	ZSH_AUTOSUGGEST_STRATEGY=match_prev_cmd
+}
+
+testNoMatch() {
+	set_history <<-'EOF'
+		ls foo
+		ls bar
+	EOF
+
+	assertSuggestion \
+		'foo' \
+		''
+
+	assertSuggestion \
+		'ls q' \
+		''
+}
+
+testBasicMatches() {
+	set_history <<-'EOF'
+		ls foo
+		ls bar
+	EOF
+
+	assertSuggestion \
+		'ls f' \
+		'ls foo'
+
+	assertSuggestion \
+		'ls b' \
+		'ls bar'
+}
+
+testMostRecentMatch() {
+	set_history <<-'EOF'
+		ls foo
+		cd bar
+		ls baz
+		cd quux
+	EOF
+
+	assertSuggestion \
+		'ls' \
+		'ls baz'
+
+	assertSuggestion \
+		'cd' \
+		'cd quux'
+}
+
+testBackslash() {
+	set_history <<-'EOF'
+		echo "hello\nworld"
+	EOF
+
+	assertSuggestion \
+		'echo "hello\' \
+		'echo "hello\nworld"'
+}
+
+testDoubleBackslash() {
+	set_history <<-'EOF'
+		echo "\\"
+	EOF
+
+	assertSuggestion \
+		'echo "\\' \
+		'echo "\\"'
+}
+
+testTilde() {
+	set_history <<-'EOF'
+		cd ~/something
+	EOF
+
+	assertSuggestion \
+		'cd' \
+		'cd ~/something'
+
+	assertSuggestion \
+		'cd ~' \
+		'cd ~/something'
+
+	assertSuggestion \
+		'cd ~/s' \
+		'cd ~/something'
+}
+
+testParentheses() {
+	set_history <<-'EOF'
+		echo "$(ls foo)"
+	EOF
+
+	assertSuggestion \
+		'echo "$(' \
+		'echo "$(ls foo)"'
+}
+
+testSquareBrackets() {
+	set_history <<-'EOF'
+		echo "$history[123]"
+	EOF
+
+	assertSuggestion \
+		'echo "$history[' \
+		'echo "$history[123]"'
+}
+
+testMatchMostRecentAfterPreviousCmd() {
+	set_history <<-'EOF'
+		echo what
+		ls foo
+		ls bar
+		echo what
+		ls baz
+		ls quux
+		echo what
+	EOF
+
+	assertSuggestion \
+		'ls' \
+		'ls baz'
+}
+
+run_tests "$0"