Lots of test cleanup.

test/highlight_test.zsh

@@ -0,0 +1,73 @@
+#!/usr/bin/env zsh
+
+source "${0:a:h}/test_helper.zsh"
+
+oneTimeSetUp() {
+	source_autosuggestions
+}
+
+testHighlightDefaultStyle() {
+	assertEquals \
+		'fg=8' \
+		"$ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE"
+}
+
+testHighlightApplyWithSuggestion() {
+	local orig_style=ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE
+	ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=4'
+
+	BUFFER='ec'
+	POSTDISPLAY='ho hello'
+	region_highlight=('0 2 fg=1')
+
+	_zsh_autosuggest_highlight_apply
+
+	assertEquals \
+		'highlight did not use correct style' \
+		"0 2 fg=1 2 10 $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE" \
+		"$region_highlight"
+
+	assertEquals \
+		'higlight was not saved to be removed later' \
+		"2 10 $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE" \
+		"$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT"
+
+	ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE=orig_style
+}
+
+testHighlightApplyWithoutSuggestion() {
+	BUFFER='echo hello'
+	POSTDISPLAY=''
+	region_highlight=('0 4 fg=1')
+
+	_zsh_autosuggest_highlight_apply
+
+	assertEquals \
+		'region_highlight was modified' \
+		'0 4 fg=1' \
+		"$region_highlight"
+
+	assertNull \
+		'last highlight region was not cleared' \
+		"$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT"
+}
+
+testHighlightReset() {
+	BUFFER='ec'
+	POSTDISPLAY='ho hello'
+	region_highlight=('0 1 fg=1' '2 10 fg=8' '1 2 fg=1')
+	_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT='2 10 fg=8'
+
+	_zsh_autosuggest_highlight_reset
+
+	assertEquals \
+		'last highlight region was not removed' \
+		'0 1 fg=1 1 2 fg=1' \
+		"$region_highlight"
+
+	assertNull \
+		'last highlight variable was not cleared' \
+		"$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT"
+}
+
+run_tests "$0"