1 files changed, 102 insertions, 0 deletions
diff --git a/tests/gistatic.go b/tests/gistatic.go
index 9f09a22..5798a0c 100644
--- a/tests/gistatic.go
+++ b/tests/gistatic.go
@@ -1,4 +1,106 @@
 package gistatic
 
+import (
+	"strings"
+
+	g "gobang"
+)
+
+
+
+func test_usage() {
+	g.TestStart("usage()")
+
+	g.Testing("it writes the usage string to the io.Writer", func() {
+		w := strings.Builder{}
+		usage("xxx", &w)
+
+		expected := g.Heredoc(`
+			Usage: xxx [-o DIRECTORY] [-u CLONE_URL] REPOSITORY...
+		`)
+		g.TAssertEqual(w.String(), expected)
+	})
+}
+
+func test_getopt() {
+	g.TestStart("getopt()")
+
+	usage := g.Heredoc(`
+		Usage: $0 [-o DIRECTORY] [-u CLONE_URL] REPOSITORY...
+	`)
+
+	g.Testing("we supress the default error message", func() {
+		w := strings.Builder{}
+		argv := []string{"$0", "-h"}
+		_, rc := getopt(argv, &w)
+
+		g.TAssertEqual(w.String(), usage)
+		g.TAssertEqual(rc, 2)
+	})
+
+	g.Testing("we get unsupported flag error", func() {
+		w := strings.Builder{}
+		argv := []string{"$0", "-A"}
+		_, rc := getopt(argv, &w)
+
+		const message = "flag provided but not defined: -A\n"
+		g.TAssertEqual(w.String(), message + usage)
+		g.TAssertEqual(rc, 2)
+	})
+
+	g.Testing("we get incorrect use of flag error", func() {
+		w1 := strings.Builder{}
+		argv1 := []string{"$0", "-u"}
+		_, rc1 := getopt(argv1, &w1)
+
+		const message1 = "flag needs an argument: -u\n"
+		g.TAssertEqual(w1.String(), message1 + usage)
+		g.TAssertEqual(rc1, 2)
+
+		w2 := strings.Builder{}
+		argv2 := []string{"$0", "-o"}
+		_, rc2 := getopt(argv2, &w2)
+
+		const message2 = "flag needs an argument: -o\n"
+		g.TAssertEqual(w2.String(), message2 + usage)
+		g.TAssertEqual(rc2, 2)
+	})
+
+	g.Testing("the argsT has the flag URL value", func() {
+		fn_wdSaved := fn_wd
+		fn_wd = func() (string, error) {
+			return "virtual working directory", nil
+		}
+
+		w := strings.Builder{}
+		argv := []string{"$0", "-u", "proto://URL", "a-path"}
+		expected := argsT{
+			cloneURL: "proto://URL",
+			allArgs:  []string{"$0", "-u", "proto://URL", "a-path"},
+			subArgs:  []string{"a-path"},
+			outdir:   "virtual working directory",
+		}
+
+		args, rc := getopt(argv, &w)
+
+		fn_wd = fn_wdSaved
+
+		g.TAssertEqual(w.String(), "")
+		g.TAssertEqual(rc, 0)
+		g.TAssertEqual(args, expected)
+	})
+}
+
+func test_run() {
+	// FIXME
+}
+
+
+
 func MainTest() {
+	g.Init()
+
+	test_usage()
+	test_getopt()
+	test_run()
 }