summaryrefslogtreecommitdiff
path: root/README.md
diff options
context:
space:
mode:
Diffstat (limited to 'README.md')
-rw-r--r--README.md58
1 files changed, 50 insertions, 8 deletions
diff --git a/README.md b/README.md
index 511501b..be41714 100644
--- a/README.md
+++ b/README.md
@@ -56,14 +56,26 @@ cmake --build build
erebos-tester --verbose
```
-To run tests from a given test file, pass it as command-line argument:
+To run all tests from project configuration (see below), run the tester without any argument:
```
-erebos-tester path/to/script.test
+erebos-tester
+```
+
+To run only some named tests, list the names on command line:
+```
+erebos-tester FirstTest SecondTest
+```
+
+To run tests from a given test file, pass it as command-line argument (the path
+must contain a slash, so use e.g. `./script.et` for script in the current
+directory):
+```
+erebos-tester path/to/script.et
```
To select single test from a file, use `:` separator:
```
-erebos-tester path/to/script.test:TestName
+erebos-tester path/to/script.et:TestName
```
Configuration
@@ -76,6 +88,7 @@ This is a YAML file with following fields:
* `tool`: path to the test tool, which may be overridden by the `--tool` command-line option.
* `tests`: glob pattern that expands to all the test script files that should be used.
+* `timeout`: initial timeout for test steps like `expect`, given as `int` or `float`; defaults to `1` if not specified.
Script language
---------------
@@ -166,6 +179,7 @@ let re2 = /$str$re1/ # match '.' followed by any character
#### boolean
Result of comparison operators `==` and `/=`.
+Values are `True` and `False`.
#### network
@@ -231,11 +245,12 @@ node <name> [on <network>]
Create a node on network `<network>` (or context network if omitted) and assign the new node to the variable `<name>`.
```
-spawn as <name> [on (<node> | <network>)]
+spawn as <name> [on (<node> | <network>)] [args <arguments>]
```
Spawn a new test process on `<node>` or `<network>` (or one from context) and assign the new process to variable `<name>`.
When spawning on network, create a new node for this process.
+Extra `<arguments>` to the tool can be given as a list of strings using the `args` keyword.
The process is terminated when the variable `<name>` goes out of scope (at the end of the block in which it was created) by closing its stdin.
When the process fails to terminate successfully within a timeout, the test fails.
@@ -246,7 +261,7 @@ send <string> to <process>
Send line with `<string>` to the standard input of `<process>`.
```
-expect <regex> from <process> [capture <var1> [, <var2> ... ]]
+expect <regex> from <process> [timeout <timeout>] [capture <var1> [, <var2> ... ]]
```
Check whether `<process>` produces line matching `<regex>` on standard output, and if this does not happen within current timeout, the test fails.
Output lines produced before starting this command and not matched by some previous `expect` are accepted as well.
@@ -259,6 +274,9 @@ The regular expression can contain capture groups – parts enclosed in parenthe
In that case the expect command has to have the `capture` clause with matching number of variable names.
Results of the captures are then assigned to the newly created variables as strings.
+If the `timeout` clause is used, the current timeout value is multiplied by the given `<timeout>` for this `expect` call.
+Timeout of zero can be used to expect a matching output line to have been already produced in the past.
+
```
flush [from <proc>] [matching <regex>]
```
@@ -267,6 +285,15 @@ Flush memory of `<proc>` output, so no following `expect` command will match any
If the `matching` clause is used, discard only output lines matching `<regex>`.
```
+ignore [from <proc>] [matching <regex>]
+```
+
+Ignore output lines from `<proc>` (or context process) that match the given
+`<regex>` (or all lines if the `matching` clause is not used). Affects both
+past and future output of the process; the effect lasts until the end of
+the block.
+
+```
guard <expr>
```
@@ -322,6 +349,13 @@ with <expr>:
Execute `<test block>` with `<expr>` as context.
```
+multiply_timeout by <multiplier>
+```
+
+Modify the timeout used for commands like `expect` by multiplying it with `<multiplier>`.
+The effect lasts until the end of the block.
+
+```
wait
```
@@ -453,9 +487,17 @@ test:
send to p "use-asset ${my_asset.path}"
```
-The `my_asset.path` expression expands to a strict containing path to the asset
-that can be used by the spawn process `p`. The process should not try to modify
-the file.
+The `my_asset.path` expression expands to a string containing path to the asset
+that can be used by the spawned process `p`. The process should not try to
+modify the file.
+
+Assets can be exported for use in other modules using the `export` keyword,
+just like other definitions:
+
+```
+export asset my_asset:
+ path: ../path/to/file
+```
Optional dependencies