treerack/cmd/treerack/check_test.go

package main

import "testing"

var checkFailureTests = []mainTest{
	{
		title: "invalid flag",
		args: []string{
			"treerack", "check", "-foo",
		},
		exit: -1,
		stderr: []string{
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "multiple syntaxes",
		args: []string{
			"treerack", "check", "-syntax", "foo.treerack", "-syntax-string", `foo = "bar"`, "-input-string", "bar",
		},
		exit: -1,
		stderr: []string{
			"only one syntax",
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "multiple inputs",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input", "foo.txt", "-input-string", "bar",
		},
		exit: -1,
		stderr: []string{
			"only one input",
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "multiple inputs, positional",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "foo.txt", "bar.txt",
		},
		exit: -1,
		stderr: []string{
			"only one input",
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "multiple inputs, positional and explicit file",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input", "foo.txt", "bar.txt",
		},
		exit: -1,
		stderr: []string{
			"only one input",
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "no syntax",
		args: []string{
			"treerack", "check", "-input-string", "foo",
		},
		exit: -1,
		stderr: []string{
			"missing syntax",
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "no input",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`,
		},
		exit: -1,
		stderr: []string{
			"missing input",
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
		},
	},

	{
		title: "invalid syntax",
		args: []string{
			"treerack", "check", "-syntax-string", "foo", "-input-string", "foo",
		},
		exit: -1,
		stderr: []string{
			"parse failed",
		},
	},

	{
		title: "syntax file open fails",
		args: []string{
			"treerack", "check", "-syntax", "noexist.treerack", "-input-string", "foo",
		},
		exit: -1,
		stderr: []string{
			"file",
		},
	},

	{
		title: "input file open fails",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input", "noexist.txt",
		},
		exit: -1,
		stderr: []string{
			"file",
		},
	},

	{
		title: "invalid input",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input-string", "foo",
		},
		exit: -1,
		stderr: []string{
			"parse failed",
		},
	},
}

var checkTests = []mainTest{
	{
		title: "syntax as file",
		args: []string{
			"treerack", "check", "-syntax", "foo_test.treerack", "-input-string", "bar",
		},
	},

	{
		title: "syntax as string",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input-string", "bar",
		},
	},

	{
		title: "input as stdin",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`,
		},
		stdin: "bar",
	},

	{
		title: "input as file",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input", "bar_test.txt",
		},
	},

	{
		title: "input as string",
		args: []string{
			"treerack", "check", "-syntax-string", `foo = "bar"`, "-input-string", "bar",
		},
	},

	{
		title: "explicit over stdin",
		args: []string{
			"treerack", "check", "-syntax", "foo_test.treerack", "-input-string", "bar",
		},
		stdin: "invalid",
	},
}

func TestCheck(t *testing.T) {
	runMainTest(t, mainTest{
		title: "help",
		args: []string{
			"treerack", "check", "-help",
		},
		stdout: []string{
			wrapLines(checkUsage),
			"-syntax",
			"-syntax-string",
			"-input",
			"-input-string",
			wrapLines(positionalInputUsage),
			wrapLines(checkExample),
			wrapLines(docRef),
		},
	})

	runMainTest(t, checkFailureTests...)
	runMainTest(t, checkTests...)
}