feat: add tests for shellcheck lints

wdl-lint/tests/lints/shellcheck-error/source.errors

@@ -0,0 +1,48 @@
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-error/source.wdl:18:10
+   │
+18 │       if [ -f "$broken"]
+   │          ^ SC1073[error]: Couldn't parse this test expression. Fix to allow more checks.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-error/source.wdl:18:15
+   │
+18 │       if [ -f "$broken"]
+   │               ^ SC1019[error]: Expected this to be an argument to the unary condition.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-error/source.wdl:18:25
+   │
+18 │       if [ -f "$broken"]
+   │                         ^ SC1020[error]: You need a space before the ].
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-error/source.wdl:37:10
+   │
+37 │       if [ -f "$broken"]
+   │          ^ SC1073[error]: Couldn't parse this test expression. Fix to allow more checks.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-error/source.wdl:37:15
+   │
+37 │       if [ -f "$broken"]
+   │               ^ SC1019[error]: Expected this to be an argument to the unary condition.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-error/source.wdl:37:25
+   │
+37 │       if [ -f "$broken"]
+   │                         ^ SC1020[error]: You need a space before the ].
+   │
+   = fix: address the diagnostics as recommended in the message
+

wdl-lint/tests/lints/shellcheck-error/source.wdl

@@ -0,0 +1,43 @@
+#@ except: DescriptionMissing, RuntimeSectionKeys, MatchingParameterMeta, NoCurlyCommands
+
+## This is a test of having shellcheck error lints
+
+version 1.1
+
+task test1 {
+    meta {}
+
+    parameter_meta {}
+
+    input {
+      Int placeholder
+    }
+
+    command <<<
+      somecommand.py [[ -f $broken_test]]
+      if [ -f "$broken"]
+    >>>
+
+    output {}
+
+    runtime {}
+}
+
+task test2 {
+    meta {}
+
+    parameter_meta {}
+
+    input {
+      Int placeholder
+    }
+
+    command {
+      somecommand.py [[ -f $broken_test]]
+      if [ -f "$broken"]
+    }
+
+    output {}
+
+    runtime {}
+}

wdl-lint/tests/lints/shellcheck-ok/source.wdl

@@ -0,0 +1,54 @@
+#@ except: DescriptionMissing, RuntimeSectionKeys, MatchingParameterMeta, NoCurlyCommands
+
+## This is a test of having no shellcheck lints
+
+version 1.1
+
+task test1 {
+    meta {}
+
+    parameter_meta {}
+
+    input {
+      Boolean i_quote_my_shellvars
+      Int placeholder
+    }
+
+    command <<<
+      set -eo pipefail
+
+      echo "$placeholder"
+
+      if [[ "$i_quote_my_shellvars" ]]; then
+        echo "shellcheck will be happy"
+      fi
+    >>>
+
+    output {}
+
+    runtime {}
+}
+
+task test2 {
+    meta {}
+
+    parameter_meta {}
+
+    input {
+      Int placeholder
+    }
+
+    command {
+      set -eo pipefail
+
+      echo "$placeholder"
+
+      if [[ "$I_quote_my_shellvars" ]]; then
+        echo "all is well"
+      fi
+    }
+
+    output {}
+
+    runtime {}
+}

wdl-lint/tests/lints/shellcheck-style/source.errors

@@ -0,0 +1,32 @@
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-style/source.wdl:17:7
+   │
+17 │       [[ ]]
+   │       ^^^ SC2212[style]: Use 'false' instead of empty [/[[ conditionals.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-style/source.wdl:18:9
+   │
+18 │       [ true ]
+   │         ^^^^ SC2160[style]: Instead of '[ true ]', just use 'true'.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-style/source.wdl:36:7
+   │
+36 │       [[ ]]
+   │       ^^^ SC2212[style]: Use 'false' instead of empty [/[[ conditionals.
+   │
+   = fix: address the diagnostics as recommended in the message
+
+note[CommandSectionShellCheck]: `shellcheck` reported the following diagnostic
+   ┌─ tests/lints/shellcheck-style/source.wdl:37:9
+   │
+37 │       [ true ]
+   │         ^^^^ SC2160[style]: Instead of '[ true ]', just use 'true'.
+   │
+   = fix: address the diagnostics as recommended in the message
+

wdl-lint/tests/lints/shellcheck-style/source.wdl

@@ -0,0 +1,43 @@
+#@ except: DescriptionMissing, RuntimeSectionKeys, MatchingParameterMeta, NoCurlyCommands
+
+## This is a test of having shellcheck style lints
+
+version 1.1
+
+task test1 {
+    meta {}
+
+    parameter_meta {}
+
+    input {
+      Int placeholder
+    }
+
+    command <<<
+      [[ ]]
+      [ true ]
+    >>>
+
+    output {}
+
+    runtime {}
+}
+
+task test2 {
+    meta {}
+
+    parameter_meta {}
+
+    input {
+      Int placeholder
+    }
+
+    command {
+      [[ ]]
+      [ true ]
+    }
+
+    output {}
+
+    runtime {}
+}