prepare release v2.1.0

bash_unit

@@ -16,7 +16,7 @@
 #
 #  https://github.com/pgrange/bash_unit
 
-VERSION=v2.0.1
+VERSION=v2.1.0
 
 ESCAPE=$(printf "\033")
 NOCOLOR="${ESCAPE}[0m"

docs/man/man1/bash_unit.1

@@ -1,13 +1,13 @@
 '\" t
 .\"     Title: bash_unit
 .\"    Author: [see the "AUTHOR(S)" section]
-.\" Generator: Asciidoctor 2.0.17
-.\"      Date: 2022-09-28
+.\" Generator: Asciidoctor 2.0.18
+.\"      Date: 2023-03-03
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "BASH_UNIT" "1" "2022-09-28" "\ \&" "\ \&"
+.TH "BASH_UNIT" "1" "2023-03-03" "\ \&" "\ \&"
 .ie \n(.g .ds Aq \(aq
 .el       .ds Aq '
 .ss \n[.ss] 0
@@ -102,6 +102,8 @@ Running tests in tests/test_core.sh
         Running test_assert_status_code_fails ... SUCCESS
         Running test_assert_status_code_succeeds ... SUCCESS
         Running test_assert_succeeds ... SUCCESS
+        Running test_assert_within_delta_fails ... SUCCESS
+        Running test_assert_within_delta_succeeds ... SUCCESS
         Running test_fail_fails ... SUCCESS
         Running test_fail_prints_failure_message ... SUCCESS
         Running test_fail_prints_where_is_error ... SUCCESS
@@ -151,6 +153,8 @@ Running tests in tests/test_core.sh
         Running test_assert_status_code_fails ... SUCCESS
         Running test_assert_status_code_succeeds ... SUCCESS
         Running test_assert_succeeds ... SUCCESS
+        Running test_assert_within_delta_fails ... SUCCESS
+        Running test_assert_within_delta_succeeds ... SUCCESS
         Running test_fail_fails ... SUCCESS
 Overall result: SUCCESS
 .fam
@@ -192,6 +196,8 @@ ok \- test_assert_shows_stdout_on_failure
 ok \- test_assert_status_code_fails
 ok \- test_assert_status_code_succeeds
 ok \- test_assert_succeeds
+ok \- test_assert_within_delta_fails
+ok \- test_assert_within_delta_succeeds
 ok \- test_fail_fails
 ok \- test_fail_prints_failure_message
 ok \- test_fail_prints_where_is_error
@@ -604,6 +610,47 @@ doc:2:test_obvious_matching_with_assert_not_matches()
 .fam
 .fi
 .if n .RE
+.SS "\fBassert_within_delta\fP"
+.sp
+.if n .RS 4
+.nf
+.fam C
+assert_within_delta <expected num> <actual num> <max delta> [message]
+.fam
+.fi
+.if n .RE
+.sp
+Asserts that the expected num matches the actual num up to a given max delta.
+This function only support integers.
+Given an expectation of 5 and a delta of 2 this would match 3, 4, 5, 6, and 7:
+.sp
+.if n .RS 4
+.nf
+.fam C
+test_matches_within_delta(){
+  assert_within_delta 5 3 2
+  assert_within_delta 5 4 2
+  assert_within_delta 5 5 2
+  assert_within_delta 5 6 2
+  assert_within_delta 5 7 2
+}
+test_does_not_match_within_delta(){
+  assert_within_delta 5 2 2
+}
+.fam
+.fi
+.if n .RE
+.sp
+.if n .RS 4
+.nf
+.fam C
+        Running test_does_not_match_within_delta ... FAILURE
+ expected value [5] to match [2] with a maximum delta of [2]
+doc:9:test_does_not_match_within_delta()
+        Running test_matches_within_delta ... SUCCESS
+.fam
+.fi
+.if n .RE
 .SS "\fBassert_no_diff\fP"
 .sp
 .if n .RS 4